{
  "schema_version": "compare-page.v2",
  "page_id": "booster-car-seats-for-heavier-children",
  "url": "https://robotrunk.com/compare/want/booster-car-seats-for-heavier-children",
  "title": "Booster car seats by weight limit for heavier children",
  "question": "Which booster car seats have a weight limit that suits a heavier child?",
  "answer": "Diono Monterey XT 2 in 1 Expandable Booster Car Seat: The Diono Monterey XT is a booster car seat intended for children from 40 to 120 lb. Fits larger children well: expandable side wings give about 12.5–14.5 in of internal width, the seat pan is 14 in deep, and the seat is rated 40–120 lb and 38–63 in.\nBritax UpNGo Click: The UpNGo Click is designed for children from 40 to 120 lb and 46 to 63 inches tall.\nCybex Solution T: The store listings give a child weight range of 40 to 120 lbs. Cybex rates the Solution T for a child 4 years and older, 38 to 60 inches tall and about 40 to 120 lbs.\nDiono Monterey 4DXT Latch 2-in-1 High Back Booster Car Seat: The specified user-weight range is 40–120 lb (18–54 kg).\nDiono Radian 3RXT: The store lists booster use for children weighing 40–120 lb (18–54 kg). Maximum listed child height is 57.1 in (145 cm), and the head support has 12 positions.",
  "kind": "booster car seat",
  "market": "US",
  "generated_at": "2026-10-25T00:27:04.172Z",
  "columns": [
    "Weight",
    "Height",
    "Width",
    "Service life"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f1",
      "product": "Cybex Solution T",
      "field": "child weight range",
      "value": "The store listings give a child weight range of 40 to 120 lbs.",
      "stated_as": "40 to 120 lbs",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-17T19:35:52.669Z"
    },
    {
      "ref": "p1.f3",
      "product": "Cybex Solution T",
      "field": "age and size limits",
      "value": "Cybex rates the Solution T for a child 4 years and older, 38 to 60 inches tall and about 40 to 120 lbs.",
      "stated_as": "Age range: For a child 4 years and older\nChild height: 38 in - 60 in\nChild weight: From approx. 40 to 120 lbs",
      "source_type": "guide",
      "source_url": "https://www.cybex-online.com/en/us/p/cs-pl-solution-t.html",
      "source_read_at": "2026-10-18T19:27:48.319Z"
    },
    {
      "ref": "p1.f5",
      "product": "Cybex Solution T",
      "field": "dimensions",
      "value": "Cybex gives 15.3 in length, 19.8 in width and a height range of 24.6 to 31.4 in, slightly different from the store's figures.",
      "stated_as": "Length\n15.3 in\nWidth\n19.8 in\nHeight\n24.6 - 31.4 in",
      "source_type": "guide",
      "source_url": "https://www.cybex-online.com/en/us/p/cs-pl-solution-t.html",
      "source_read_at": "2026-10-18T19:27:48.319Z"
    },
    {
      "ref": "p1.f7",
      "product": "Cybex Solution T",
      "field": "service life",
      "value": "Cybex describes an eight-year life span, taking a child up to about twelve years old.",
      "stated_as": "With an incredible eight year life span, the Solution T High-Back Booster will be a constant companion throughout all the twists and turns of childhood – until your little one is twelve years old.",
      "source_type": "guide",
      "source_url": "https://www.cybex-online.com/en/us/p/cs-pl-solution-t.html",
      "source_read_at": "2026-10-18T19:27:48.319Z"
    },
    {
      "ref": "p2.f2",
      "product": "Diono Monterey 4DXT Latch 2-in-1 High Back Booster Car Seat",
      "field": "Measured fit and size",
      "value": "The review measured a 38–63 in child-height range, 18.8 lb high-back weight and 6.9 lb backless weight. The back measured 21.5–24 in wide; the base measured 18 in with cup holders stored and up to 22 in with both extended.",
      "stated_as": "The review measured a 38–63 in child-height range, 18.8 lb high-back weight and 6.9 lb backless weight. The back measured 21.5–24 in wide; the base measured 18 in with cup holders stored and up to 22 in with both extended.",
      "source_type": "review",
      "source_url": "https://csftl.org/diono-monterey-4dxt-booster-seat-review/",
      "source_read_at": "2026-09-25T03:53:44.703Z"
    },
    {
      "ref": "p2.f4",
      "product": "Diono Monterey 4DXT Latch 2-in-1 High Back Booster Car Seat",
      "field": "User weight",
      "value": "The specified user-weight range is 40–120 lb (18–54 kg).",
      "stated_as": "Minimum User Weight\n40 lb / 18 kg\nMaximum User Weight\n120 lb / 54 kg",
      "source_type": "guide",
      "source_url": "https://anb-baby.myshopify.com/products/diono-monterey-4dxt-latch-2-in-1-high-back-booster-car-seat",
      "source_read_at": "2026-09-25T03:53:37.017Z"
    },
    {
      "ref": "p2.f10",
      "product": "Diono Monterey 4DXT Latch 2-in-1 High Back Booster Car Seat",
      "field": "Service life",
      "value": "The store says the seat provides eight years of use.",
      "stated_as": "expect 8 years of safety from just one booster seat.",
      "source_type": "guide",
      "source_url": "https://anb-baby.myshopify.com/products/diono-monterey-4dxt-latch-2-in-1-high-back-booster-car-seat",
      "source_read_at": "2026-09-25T03:53:37.017Z"
    },
    {
      "ref": "p3.f1",
      "product": "Diono Monterey XT 2 in 1 Expandable Booster Car Seat",
      "field": "type and weight range",
      "value": "The Diono Monterey XT is a booster car seat intended for children from 40 to 120 lb.",
      "stated_as": "The Diono Monterey XT Booster car seat offers comfortable protection to growing kids ranging from 40-120 lbs.",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-18T19:37:33.814Z"
    },
    {
      "ref": "p3.f5",
      "product": "Diono Monterey XT 2 in 1 Expandable Booster Car Seat",
      "field": "child fit",
      "value": "Fits larger children well: expandable side wings give about 12.5–14.5 in of internal width, the seat pan is 14 in deep, and the seat is rated 40–120 lb and 38–63 in.",
      "stated_as": "Fits larger children well: expandable side wings give about 12.5–14.5 in of internal width, the seat pan is 14 in deep, and the seat is rated 40–120 lb and 38–63 in.",
      "source_type": "review",
      "source_url": "https://csftl.org/diono-monterey-xt-review/",
      "source_read_at": "2026-10-18T23:34:05.073Z"
    },
    {
      "ref": "p3.f11",
      "product": "Diono Monterey XT 2 in 1 Expandable Booster Car Seat",
      "field": "height range",
      "value": "The store lists a suitable height range of 38 to 63 in.",
      "stated_as": "Suitable Height 38\"-63\".",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-18T19:37:33.814Z"
    },
    {
      "ref": "p4.f8",
      "product": "Diono Radian 3RXT",
      "field": "Booster limits",
      "value": "The store lists booster use for children weighing 40–120 lb (18–54 kg).",
      "stated_as": "Minimum User Weight - Booster: 40 lb. / 18 kg\nMaximum User Weight - Booster: 120 lb. / 54 kg",
      "source_type": "guide",
      "source_url": "https://anb-baby.myshopify.com/products/diono-radian-3rxt-all-in-one-convertible-car-seat-2020-edition-1",
      "source_read_at": "2026-09-25T04:28:54.962Z"
    },
    {
      "ref": "p4.f9",
      "product": "Diono Radian 3RXT",
      "field": "Height and headrest",
      "value": "Maximum listed child height is 57.1 in (145 cm), and the head support has 12 positions.",
      "stated_as": "Maximum User Height\n57.1 in / 145 cm\nNumber of Head Support Positions\n12",
      "source_type": "guide",
      "source_url": "https://anb-baby.myshopify.com/products/diono-radian-3rxt-all-in-one-convertible-car-seat-2020-edition-1",
      "source_read_at": "2026-09-25T04:28:54.962Z"
    },
    {
      "ref": "p4.f11",
      "product": "Diono Radian 3RXT",
      "field": "Dimensions",
      "value": "Listed dimensions are 28.5 in high, 17 in wide and 16 in deep (72.4 × 43.2 × 40.6 cm).",
      "stated_as": "Product Height: 28.5 in / 72.4 cm\nProduct Width: 17 in / 43.2 cm\nProduct Depth: 16 in / 40.6 cm",
      "source_type": "guide",
      "source_url": "https://anb-baby.myshopify.com/products/diono-radian-3rxt-all-in-one-convertible-car-seat-2020-edition-1",
      "source_read_at": "2026-09-25T04:28:54.962Z"
    },
    {
      "ref": "p5.f1",
      "product": "Britax UpNGo Click",
      "field": "weight and height limits",
      "value": "The UpNGo Click is designed for children from 40 to 120 lb and 46 to 63 inches tall.",
      "stated_as": "Designed for children from 40-120 lbs and 46”-63\"",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-12T20:06:05.806Z"
    },
    {
      "ref": "p5.f9",
      "product": "Britax UpNGo Click",
      "field": "seat width and 3-across",
      "value": "The seat is 17.1 inches wide and is designed to fit three across in most vehicles, but Britax will not guarantee 3-across fitment in every vehicle.",
      "stated_as": "This slim booster seat is designed to fit 3 across in most vehicles without compromising safety or comfort. *Britax cannot guarantee 3-across fitment in all vehicles.",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-12T20:06:05.806Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/5521633673369",
      "name": "Diono Monterey XT 2 in 1 Expandable Booster Car Seat",
      "url": "/products/ucp/megababiesusa-com/5521633673369",
      "why": "Fits larger children well: expandable side wings give about 12.5–14.5 in of internal width, the seat pan is 14 in deep, and the seat is rated 40–120 lb and 38–63 in.",
      "cells": [
        {
          "column": "Weight",
          "fact": {
            "field": "type and weight range",
            "value": "The Diono Monterey XT is a booster car seat intended for children from 40 to 120 lb.",
            "stated_as": "The Diono Monterey XT Booster car seat offers comfortable protection to growing kids ranging from 40-120 lbs.",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-18T19:37:33.814Z"
          }
        },
        {
          "column": "Height",
          "fact": {
            "field": "height range",
            "value": "The store lists a suitable height range of 38 to 63 in.",
            "stated_as": "Suitable Height 38\"-63\".",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-18T19:37:33.814Z"
          }
        },
        {
          "column": "Width",
          "fact": {
            "field": "child fit",
            "value": "Fits larger children well: expandable side wings give about 12.5–14.5 in of internal width, the seat pan is 14 in deep, and the seat is rated 40–120 lb and 38–63 in.",
            "stated_as": "Fits larger children well: expandable side wings give about 12.5–14.5 in of internal width, the seat pan is 14 in deep, and the seat is rated 40–120 lb and 38–63 in.",
            "source_type": "review",
            "source_url": "https://csftl.org/diono-monterey-xt-review/",
            "source_read_at": "2026-10-18T23:34:05.073Z"
          }
        },
        {
          "column": "Service life",
          "fact": null
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8008999993418",
      "name": "Britax UpNGo Click",
      "url": "/products/ucp/strolleria-com/8008999993418",
      "why": "The UpNGo Click is designed for children from 40 to 120 lb and 46 to 63 inches tall.",
      "cells": [
        {
          "column": "Weight",
          "fact": {
            "field": "weight and height limits",
            "value": "The UpNGo Click is designed for children from 40 to 120 lb and 46 to 63 inches tall.",
            "stated_as": "Designed for children from 40-120 lbs and 46”-63\"",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-12T20:06:05.806Z"
          }
        },
        {
          "column": "Height",
          "fact": {
            "field": "weight and height limits",
            "value": "The UpNGo Click is designed for children from 40 to 120 lb and 46 to 63 inches tall.",
            "stated_as": "Designed for children from 40-120 lbs and 46”-63\"",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-12T20:06:05.806Z"
          }
        },
        {
          "column": "Width",
          "fact": {
            "field": "seat width and 3-across",
            "value": "The seat is 17.1 inches wide and is designed to fit three across in most vehicles, but Britax will not guarantee 3-across fitment in every vehicle.",
            "stated_as": "This slim booster seat is designed to fit 3 across in most vehicles without compromising safety or comfort. *Britax cannot guarantee 3-across fitment in all vehicles.",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-12T20:06:05.806Z"
          }
        },
        {
          "column": "Service life",
          "fact": null
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/9259909349630",
      "name": "Cybex Solution T",
      "url": "/products/ucp/megababiesusa-com/9259909349630",
      "why": "Cybex rates the Solution T for a child 4 years and older, 38 to 60 inches tall and about 40 to 120 lbs.",
      "cells": [
        {
          "column": "Weight",
          "fact": {
            "field": "child weight range",
            "value": "The store listings give a child weight range of 40 to 120 lbs.",
            "stated_as": "40 to 120 lbs",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-17T19:35:52.669Z"
          }
        },
        {
          "column": "Height",
          "fact": {
            "field": "age and size limits",
            "value": "Cybex rates the Solution T for a child 4 years and older, 38 to 60 inches tall and about 40 to 120 lbs.",
            "stated_as": "Age range: For a child 4 years and older\nChild height: 38 in - 60 in\nChild weight: From approx. 40 to 120 lbs",
            "source_type": "guide",
            "source_url": "https://www.cybex-online.com/en/us/p/cs-pl-solution-t.html",
            "source_read_at": "2026-10-18T19:27:48.319Z"
          }
        },
        {
          "column": "Width",
          "fact": {
            "field": "dimensions",
            "value": "Cybex gives 15.3 in length, 19.8 in width and a height range of 24.6 to 31.4 in, slightly different from the store's figures.",
            "stated_as": "Length\n15.3 in\nWidth\n19.8 in\nHeight\n24.6 - 31.4 in",
            "source_type": "guide",
            "source_url": "https://www.cybex-online.com/en/us/p/cs-pl-solution-t.html",
            "source_read_at": "2026-10-18T19:27:48.319Z"
          }
        },
        {
          "column": "Service life",
          "fact": {
            "field": "service life",
            "value": "Cybex describes an eight-year life span, taking a child up to about twelve years old.",
            "stated_as": "With an incredible eight year life span, the Solution T High-Back Booster will be a constant companion throughout all the twists and turns of childhood – until your little one is twelve years old.",
            "source_type": "guide",
            "source_url": "https://www.cybex-online.com/en/us/p/cs-pl-solution-t.html",
            "source_read_at": "2026-10-18T19:27:48.319Z"
          }
        }
      ]
    },
    {
      "rank": 4,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/6830773174358",
      "name": "Diono Monterey 4DXT Latch 2-in-1 High Back Booster Car Seat",
      "url": "/products/ucp/anbbaby-com/6830773174358",
      "why": "The specified user-weight range is 40–120 lb (18–54 kg).",
      "cells": [
        {
          "column": "Weight",
          "fact": {
            "field": "User weight",
            "value": "The specified user-weight range is 40–120 lb (18–54 kg).",
            "stated_as": "Minimum User Weight\n40 lb / 18 kg\nMaximum User Weight\n120 lb / 54 kg",
            "source_type": "guide",
            "source_url": "https://anb-baby.myshopify.com/products/diono-monterey-4dxt-latch-2-in-1-high-back-booster-car-seat",
            "source_read_at": "2026-09-25T03:53:37.017Z"
          }
        },
        {
          "column": "Height",
          "fact": {
            "field": "Measured fit and size",
            "value": "The review measured a 38–63 in child-height range, 18.8 lb high-back weight and 6.9 lb backless weight. The back measured 21.5–24 in wide; the base measured 18 in with cup holders stored and up to 22 in with both extended.",
            "stated_as": "The review measured a 38–63 in child-height range, 18.8 lb high-back weight and 6.9 lb backless weight. The back measured 21.5–24 in wide; the base measured 18 in with cup holders stored and up to 22 in with both extended.",
            "source_type": "review",
            "source_url": "https://csftl.org/diono-monterey-4dxt-booster-seat-review/",
            "source_read_at": "2026-09-25T03:53:44.703Z"
          }
        },
        {
          "column": "Width",
          "fact": {
            "field": "Measured fit and size",
            "value": "The review measured a 38–63 in child-height range, 18.8 lb high-back weight and 6.9 lb backless weight. The back measured 21.5–24 in wide; the base measured 18 in with cup holders stored and up to 22 in with both extended.",
            "stated_as": "The review measured a 38–63 in child-height range, 18.8 lb high-back weight and 6.9 lb backless weight. The back measured 21.5–24 in wide; the base measured 18 in with cup holders stored and up to 22 in with both extended.",
            "source_type": "review",
            "source_url": "https://csftl.org/diono-monterey-4dxt-booster-seat-review/",
            "source_read_at": "2026-09-25T03:53:44.703Z"
          }
        },
        {
          "column": "Service life",
          "fact": {
            "field": "Service life",
            "value": "The store says the seat provides eight years of use.",
            "stated_as": "expect 8 years of safety from just one booster seat.",
            "source_type": "guide",
            "source_url": "https://anb-baby.myshopify.com/products/diono-monterey-4dxt-latch-2-in-1-high-back-booster-car-seat",
            "source_read_at": "2026-09-25T03:53:37.017Z"
          }
        }
      ]
    },
    {
      "rank": 5,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/6703810314326",
      "name": "Diono Radian 3RXT",
      "url": "/products/ucp/anbbaby-com/6703810314326",
      "why": "The store lists booster use for children weighing 40–120 lb (18–54 kg).",
      "cells": [
        {
          "column": "Weight",
          "fact": {
            "field": "Booster limits",
            "value": "The store lists booster use for children weighing 40–120 lb (18–54 kg).",
            "stated_as": "Minimum User Weight - Booster: 40 lb. / 18 kg\nMaximum User Weight - Booster: 120 lb. / 54 kg",
            "source_type": "guide",
            "source_url": "https://anb-baby.myshopify.com/products/diono-radian-3rxt-all-in-one-convertible-car-seat-2020-edition-1",
            "source_read_at": "2026-09-25T04:28:54.962Z"
          }
        },
        {
          "column": "Height",
          "fact": {
            "field": "Height and headrest",
            "value": "Maximum listed child height is 57.1 in (145 cm), and the head support has 12 positions.",
            "stated_as": "Maximum User Height\n57.1 in / 145 cm\nNumber of Head Support Positions\n12",
            "source_type": "guide",
            "source_url": "https://anb-baby.myshopify.com/products/diono-radian-3rxt-all-in-one-convertible-car-seat-2020-edition-1",
            "source_read_at": "2026-09-25T04:28:54.962Z"
          }
        },
        {
          "column": "Width",
          "fact": {
            "field": "Dimensions",
            "value": "Listed dimensions are 28.5 in high, 17 in wide and 16 in deep (72.4 × 43.2 × 40.6 cm).",
            "stated_as": "Product Height: 28.5 in / 72.4 cm\nProduct Width: 17 in / 43.2 cm\nProduct Depth: 16 in / 40.6 cm",
            "source_type": "guide",
            "source_url": "https://anb-baby.myshopify.com/products/diono-radian-3rxt-all-in-one-convertible-car-seat-2020-edition-1",
            "source_read_at": "2026-09-25T04:28:54.962Z"
          }
        },
        {
          "column": "Service life",
          "fact": null
        }
      ]
    }
  ]
}