{
  "schema_version": "compare-page.v2",
  "page_id": "infant-car-seat-bases-and-carrier-or-belt-compatibility",
  "url": "https://robotrunk.com/compare/want/infant-car-seat-bases-and-carrier-or-belt-compatibility",
  "title": "Infant car seat bases and carrier or belt compatibility",
  "question": "Which infant car seat bases are limited to certain car seats, or to certain vehicle belts or vehicles?",
  "answer": "Chicco KeyFit Infant Car Seat Base: Only Chicco KeyFit/KeyFit 30 carriers are to be used with KeyFit/KeyFit 30 bases. The base can be installed with LATCH and SuperCinch or with the vehicle seat belt using integrated lock-offs. The base is large and may be a tight fit in smaller vehicles.\nPEG Primo Viaggio Extra Base: The base fits the Primo Viaggio 4-35 infant car seat. The base is compact enough to fit in smaller vehicles, similar to the Chicco KeyFit based on the reviewer's measurements.\nBritax Aspen Infant Car Seat Base (with ClickTight): The Aspen base works with Britax Willow, Willow S, Willow SC and Cypress infant car seats.\nBritax Alpine: The store page lists compatibility with Willow, Willow S, Willow SC, and Cypress infant car seats. ClickTight installation works with either the vehicle seat belt or lower connectors.",
  "kind": "car seat base",
  "market": "US",
  "generated_at": "2026-11-01T07:32:05.179Z",
  "columns": [
    "Carrier compatibility",
    "Belt or LATCH install",
    "Vehicle fit"
  ],
  "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.f4",
      "product": "Chicco KeyFit Infant Car Seat Base",
      "field": "compatibility warning",
      "value": "Only Chicco KeyFit/KeyFit 30 carriers are to be used with KeyFit/KeyFit 30 bases.",
      "stated_as": "SOLO use los portabebés Chicco KeyFit/KeyFit 30 con las bases KeyFit/KeyFit 30.",
      "source_type": "manual",
      "source_url": "https://www.chiccousa.com/on/demandware.static/-/Sites-Chicco-Library/default/dwa200b1ec/manuals/car-seats/Chicco-KeyFit-Car-Seat-03-2020-Spanish.pdf",
      "source_read_at": "2026-10-13T08:20:19.068Z"
    },
    {
      "ref": "p1.f10",
      "product": "Chicco KeyFit Infant Car Seat Base",
      "field": "installation",
      "value": "The base can be installed with LATCH and SuperCinch or with the vehicle seat belt using integrated lock-offs.",
      "stated_as": "LATCH with SuperCinch or vehicle seat belt with integrated lock-offs",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-12T20:06:05.806Z"
    },
    {
      "ref": "p1.f11",
      "product": "Chicco KeyFit Infant Car Seat Base",
      "field": "fit",
      "value": "The base is large and may be a tight fit in smaller vehicles.",
      "stated_as": "The base is large and may be a tight fit in smaller vehicles.",
      "source_type": "review",
      "source_url": "https://www.babybargains.com/infant-car-seat-review-chicco-keyfit-30/",
      "source_read_at": "2026-10-13T08:21:05.140Z"
    },
    {
      "ref": "p2.f8",
      "product": "Britax Aspen Infant Car Seat Base (with ClickTight)",
      "field": "compatibility",
      "value": "The Aspen base works with Britax Willow, Willow S, Willow SC and Cypress infant car seats.",
      "stated_as": "It works with Willow, Willow S, Willow SC and Cypress infant car seats",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-12T20:06:05.806Z"
    },
    {
      "ref": "p3.f2",
      "product": "Britax Alpine",
      "field": "Compatibility",
      "value": "The store page lists compatibility with Willow, Willow S, Willow SC, and Cypress infant car seats.",
      "stated_as": "Compatibility: Britax® Willow™, Willow™ S, Willow™ SC, and Cypress™ infant car seats",
      "source_type": "guide",
      "source_url": "https://strolleria.myshopify.com/products/britax-alpine-infant-car-seat-base-with-clicktight",
      "source_read_at": "2026-10-12T23:42:00.479Z"
    },
    {
      "ref": "p3.f8",
      "product": "Britax Alpine",
      "field": "Installation methods",
      "value": "ClickTight installation works with either the vehicle seat belt or lower connectors.",
      "stated_as": "ClickTight® installation is secure and struggle-free, whether using the vehicle seat belt or lower connectors.",
      "source_type": "guide",
      "source_url": "https://us.britax.com/shop/car-seat-accessories/britax-alpine-infant-car-seat-base-with-clicktight",
      "source_read_at": "2026-10-12T23:42:29.174Z"
    },
    {
      "ref": "p4.f6",
      "product": "PEG Primo Viaggio Extra Base",
      "field": "base size",
      "value": "The base is compact enough to fit in smaller vehicles, similar to the Chicco KeyFit based on the reviewer's measurements.",
      "stated_as": "The base is compact enough to fit in smaller vehicles, similar to the Chicco KeyFit based on the reviewer's measurements.",
      "source_type": "review",
      "source_url": "https://www.babybargains.com/infant-car-seat-review-peg-perego-primo-viaggio-4-35/",
      "source_read_at": "2026-10-15T11:55:26.690Z"
    },
    {
      "ref": "p4.f8",
      "product": "PEG Primo Viaggio Extra Base",
      "field": "compatibility",
      "value": "The base fits the Primo Viaggio 4-35 infant car seat.",
      "stated_as": "The car seat base fits the Primo Viaggio 4-35 infant car seat.",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-14T20:08:47.220Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8064564822090",
      "name": "Chicco KeyFit Infant Car Seat Base",
      "url": "/products/ucp/strolleria-com/8064564822090",
      "why": "Only Chicco KeyFit/KeyFit 30 carriers are to be used with KeyFit/KeyFit 30 bases.",
      "cells": [
        {
          "column": "Carrier compatibility",
          "fact": {
            "field": "compatibility warning",
            "value": "Only Chicco KeyFit/KeyFit 30 carriers are to be used with KeyFit/KeyFit 30 bases.",
            "stated_as": "SOLO use los portabebés Chicco KeyFit/KeyFit 30 con las bases KeyFit/KeyFit 30.",
            "source_type": "manual",
            "source_url": "https://www.chiccousa.com/on/demandware.static/-/Sites-Chicco-Library/default/dwa200b1ec/manuals/car-seats/Chicco-KeyFit-Car-Seat-03-2020-Spanish.pdf",
            "source_read_at": "2026-10-13T08:20:19.068Z"
          }
        },
        {
          "column": "Belt or LATCH install",
          "fact": {
            "field": "installation",
            "value": "The base can be installed with LATCH and SuperCinch or with the vehicle seat belt using integrated lock-offs.",
            "stated_as": "LATCH with SuperCinch or vehicle seat belt with integrated lock-offs",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-12T20:06:05.806Z"
          }
        },
        {
          "column": "Vehicle fit",
          "fact": {
            "field": "fit",
            "value": "The base is large and may be a tight fit in smaller vehicles.",
            "stated_as": "The base is large and may be a tight fit in smaller vehicles.",
            "source_type": "review",
            "source_url": "https://www.babybargains.com/infant-car-seat-review-chicco-keyfit-30/",
            "source_read_at": "2026-10-13T08:21:05.140Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/5736681345",
      "name": "PEG Primo Viaggio Extra Base",
      "url": "/products/ucp/strolleria-com/5736681345",
      "why": "The base fits the Primo Viaggio 4-35 infant car seat.",
      "cells": [
        {
          "column": "Carrier compatibility",
          "fact": {
            "field": "compatibility",
            "value": "The base fits the Primo Viaggio 4-35 infant car seat.",
            "stated_as": "The car seat base fits the Primo Viaggio 4-35 infant car seat.",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-14T20:08:47.220Z"
          }
        },
        {
          "column": "Belt or LATCH install",
          "fact": null
        },
        {
          "column": "Vehicle fit",
          "fact": {
            "field": "base size",
            "value": "The base is compact enough to fit in smaller vehicles, similar to the Chicco KeyFit based on the reviewer's measurements.",
            "stated_as": "The base is compact enough to fit in smaller vehicles, similar to the Chicco KeyFit based on the reviewer's measurements.",
            "source_type": "review",
            "source_url": "https://www.babybargains.com/infant-car-seat-review-peg-perego-primo-viaggio-4-35/",
            "source_read_at": "2026-10-15T11:55:26.690Z"
          }
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8063439568970",
      "name": "Britax Aspen Infant Car Seat Base (with ClickTight)",
      "url": "/products/ucp/strolleria-com/8063439568970",
      "why": "The Aspen base works with Britax Willow, Willow S, Willow SC and Cypress infant car seats.",
      "cells": [
        {
          "column": "Carrier compatibility",
          "fact": {
            "field": "compatibility",
            "value": "The Aspen base works with Britax Willow, Willow S, Willow SC and Cypress infant car seats.",
            "stated_as": "It works with Willow, Willow S, Willow SC and Cypress infant car seats",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-12T20:06:05.806Z"
          }
        },
        {
          "column": "Belt or LATCH install",
          "fact": null
        },
        {
          "column": "Vehicle fit",
          "fact": null
        }
      ]
    },
    {
      "rank": 4,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/7810848391242",
      "name": "Britax Alpine",
      "url": "/products/ucp/strolleria-com/7810848391242",
      "why": "The store page lists compatibility with Willow, Willow S, Willow SC, and Cypress infant car seats.",
      "cells": [
        {
          "column": "Carrier compatibility",
          "fact": {
            "field": "Compatibility",
            "value": "The store page lists compatibility with Willow, Willow S, Willow SC, and Cypress infant car seats.",
            "stated_as": "Compatibility: Britax® Willow™, Willow™ S, Willow™ SC, and Cypress™ infant car seats",
            "source_type": "guide",
            "source_url": "https://strolleria.myshopify.com/products/britax-alpine-infant-car-seat-base-with-clicktight",
            "source_read_at": "2026-10-12T23:42:00.479Z"
          }
        },
        {
          "column": "Belt or LATCH install",
          "fact": {
            "field": "Installation methods",
            "value": "ClickTight installation works with either the vehicle seat belt or lower connectors.",
            "stated_as": "ClickTight® installation is secure and struggle-free, whether using the vehicle seat belt or lower connectors.",
            "source_type": "guide",
            "source_url": "https://us.britax.com/shop/car-seat-accessories/britax-alpine-infant-car-seat-base-with-clicktight",
            "source_read_at": "2026-10-12T23:42:29.174Z"
          }
        },
        {
          "column": "Vehicle fit",
          "fact": null
        }
      ]
    }
  ]
}