{
  "schema_version": "compare-page.v2",
  "page_id": "convertible-car-seat-expiration-and-lifespan",
  "url": "https://robotrunk.com/compare/want/convertible-car-seat-expiration-and-lifespan",
  "title": "Convertible car seat expiration and lifespan",
  "question": "How many years can a convertible car seat be used before it expires?",
  "answer": "Britax Poplar ClickTight Convertible Car Seat: Measures 17 inches wide, 18-inch top harness slots, 14-position headrest and harness, 3 buckle slots, 6-position recline, dishwasher-safe cup holders, carbon steel frame, FAA-approved, 10-year expiration. Seat weight 26.3 lbs with padding, 25.4 lbs without.\nCYBEX Sirona S: Their table lists the seat at 30.4 lbs, height limit 49 in, dimensions 30″L x 19″W x 24″H, two cup holders, portability 7/10 as bulky and heavy duty, a 10-year lifespan and no airplane use.",
  "kind": "convertible car seats-dc",
  "market": "US",
  "generated_at": "2026-10-09T23:34:12.639Z",
  "columns": [
    "Expiration or lifespan",
    "Width"
  ],
  "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": "p2.f2",
      "product": "CYBEX Sirona S",
      "field": "specification table",
      "value": "Their table lists the seat at 30.4 lbs, height limit 49 in, dimensions 30″L x 19″W x 24″H, two cup holders, portability 7/10 as bulky and heavy duty, a 10-year lifespan and no airplane use.",
      "stated_as": "Their table lists the seat at 30.4 lbs, height limit 49 in, dimensions 30″L x 19″W x 24″H, two cup holders, portability 7/10 as bulky and heavy duty, a 10-year lifespan and no airplane use.",
      "source_type": "review",
      "source_url": "https://carseaton.com/cybex-sirona-s-review/",
      "source_read_at": "2026-10-09T19:14:53.553Z"
    },
    {
      "ref": "p2.f7",
      "product": "CYBEX Sirona S",
      "field": "dimensions",
      "value": "The seat measures 24.5 inches long, 19 inches wide and 25.5 inches high.",
      "stated_as": "DIMENSIONS: 24.5\" L x 19\" W x 25.5\" H",
      "source_type": "guide",
      "source_url": "https://dd1dfe-a3.myshopify.com/products/cybex-open-box-sirona-s-rotating-convertible-car-seat-with-load-leg-and-sensorsafe-indigo-blue",
      "source_read_at": "2026-10-09T19:13:15.309Z"
    },
    {
      "ref": "p7.f8",
      "product": "Britax Poplar ClickTight Convertible Car Seat",
      "field": "specs",
      "value": "Measures 17 inches wide, 18-inch top harness slots, 14-position headrest and harness, 3 buckle slots, 6-position recline, dishwasher-safe cup holders, carbon steel frame, FAA-approved, 10-year expiration. Seat weight 26.3 lbs with padding, 25.4 lbs without.",
      "stated_as": "Measures 17 inches wide, 18-inch top harness slots, 14-position headrest and harness, 3 buckle slots, 6-position recline, dishwasher-safe cup holders, carbon steel frame, FAA-approved, 10-year expiration. Seat weight 26.3 lbs with padding, 25.4 lbs without.",
      "source_type": "blog",
      "source_url": "https://www.thecarseatpros.com/blog/poplarreview",
      "source_read_at": "2026-10-09T00:00:14.527Z"
    },
    {
      "ref": "p7.f12",
      "product": "Britax Poplar ClickTight Convertible Car Seat",
      "field": "width",
      "value": "Seat is 17 inches wide without cupholders and 20 inches with them.",
      "stated_as": "Seat is 17 inches wide without cupholders and 20 inches with them.",
      "source_type": "review",
      "source_url": "https://verdict-reviews.com/product/britax-poplar/",
      "source_read_at": "2026-10-09T00:00:51.423Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9564473721063",
      "name": "Britax Poplar ClickTight Convertible Car Seat",
      "url": "/products/ucp/albeebaby-com/9564473721063",
      "why": "Measures 17 inches wide, 18-inch top harness slots, 14-position headrest and harness, 3 buckle slots, 6-position recline, dishwasher-safe cup holders, carbon steel frame, FAA-approved, 10-year expiration. Seat weight 26.3 lbs with padding, 25.4 lbs without.",
      "cells": [
        {
          "column": "Expiration or lifespan",
          "fact": {
            "field": "specs",
            "value": "Measures 17 inches wide, 18-inch top harness slots, 14-position headrest and harness, 3 buckle slots, 6-position recline, dishwasher-safe cup holders, carbon steel frame, FAA-approved, 10-year expiration. Seat weight 26.3 lbs with padding, 25.4 lbs without.",
            "stated_as": "Measures 17 inches wide, 18-inch top harness slots, 14-position headrest and harness, 3 buckle slots, 6-position recline, dishwasher-safe cup holders, carbon steel frame, FAA-approved, 10-year expiration. Seat weight 26.3 lbs with padding, 25.4 lbs without.",
            "source_type": "blog",
            "source_url": "https://www.thecarseatpros.com/blog/poplarreview",
            "source_read_at": "2026-10-09T00:00:14.527Z"
          }
        },
        {
          "column": "Width",
          "fact": {
            "field": "width",
            "value": "Seat is 17 inches wide without cupholders and 20 inches with them.",
            "stated_as": "Seat is 17 inches wide without cupholders and 20 inches with them.",
            "source_type": "review",
            "source_url": "https://verdict-reviews.com/product/britax-poplar/",
            "source_read_at": "2026-10-09T00:00:51.423Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9565344956647",
      "name": "CYBEX Sirona S",
      "url": "/products/ucp/albeebaby-com/9565344956647",
      "why": "Their table lists the seat at 30.4 lbs, height limit 49 in, dimensions 30″L x 19″W x 24″H, two cup holders, portability 7/10 as bulky and heavy duty, a 10-year lifespan and no airplane use.",
      "cells": [
        {
          "column": "Expiration or lifespan",
          "fact": {
            "field": "specification table",
            "value": "Their table lists the seat at 30.4 lbs, height limit 49 in, dimensions 30″L x 19″W x 24″H, two cup holders, portability 7/10 as bulky and heavy duty, a 10-year lifespan and no airplane use.",
            "stated_as": "Their table lists the seat at 30.4 lbs, height limit 49 in, dimensions 30″L x 19″W x 24″H, two cup holders, portability 7/10 as bulky and heavy duty, a 10-year lifespan and no airplane use.",
            "source_type": "review",
            "source_url": "https://carseaton.com/cybex-sirona-s-review/",
            "source_read_at": "2026-10-09T19:14:53.553Z"
          }
        },
        {
          "column": "Width",
          "fact": {
            "field": "dimensions",
            "value": "The seat measures 24.5 inches long, 19 inches wide and 25.5 inches high.",
            "stated_as": "DIMENSIONS: 24.5\" L x 19\" W x 25.5\" H",
            "source_type": "guide",
            "source_url": "https://dd1dfe-a3.myshopify.com/products/cybex-open-box-sirona-s-rotating-convertible-car-seat-with-load-leg-and-sensorsafe-indigo-blue",
            "source_read_at": "2026-10-09T19:13:15.309Z"
          }
        }
      ]
    }
  ]
}
