# Car seats that fit a small back seat Which car seats fit well in a small back seat? Britax Emblem: Parents quoted on the page say it takes roughly 31 inches front to back when rear\-facing and that two rear\-facing seats fit side by side in a Prius\. Britax Poplar: A good choice for a small back seat because the most upright rear\-facing recline is one of the most compact convertible setups available\. Britax One4Life Slim: Shown fitting three across beside a Britax Poplar convertible and a Willow S infant seat; with the cup holders fitted it is wider than the bare 17\.5 in width\. Britax Cypress: The listed dimensions are 28\.1 inches deep, 16\.9 inches wide and 24\.1 inches high\. ### 1. [Britax Emblem](/products/ucp/megababiesusa-com/7926259417342) (sold by megababiesusa\.com) Parents quoted on the page say it takes roughly 31 inches front to back when rear\-facing and that two rear\-facing seats fit side by side in a Prius\. - Fit or space: In one small car the seat fitted well and left the front passenger seat further back than an infant carrier did, and two adults could sit beside it\. (review) - Dimensions: The seat measures 18\.5 inches wide, 26 inches high and 21 inches deep\. (guide) - Installation: Reviewers it summarises consistently call the seat simple to install and single out the latch system\. (review) ### 2. [Britax Poplar](/products/ucp/megababiesusa-com/8136450834686) (sold by megababiesusa\.com) A good choice for a small back seat because the most upright rear\-facing recline is one of the most compact convertible setups available\. - Fit or space: A good choice for a small back seat because the most upright rear\-facing recline is one of the most compact convertible setups available\. (review) - Dimensions: The store lists the assembled seat dimensions as 17 in wide, 23\.5 in high and 20\.5 in deep\. (guide) - Installation: Britax says ClickTight installation is a three\-step process: open the seat, thread and buckle the vehicle belt, then click it closed\. (guide) ### 3. [Britax One4Life Slim](/products/ucp/modernnursery-com/14905665585518) (sold by modernnursery\.com) Shown fitting three across beside a Britax Poplar convertible and a Willow S infant seat; with the cup holders fitted it is wider than the bare 17\.5 in width\. - Fit or space: Shown fitting three across beside a Britax Poplar convertible and a Willow S infant seat; with the cup holders fitted it is wider than the bare 17\.5 in width\. (review) - Dimensions: Listed dimensions are 18\.5 in long, 17\.5 in wide and 24\.5 in high\. (guide) - Installation: The reviewer found installation as easy as advertised and the padding and cooling channels good, but says the narrow shell can feel cramped for bigger children and booster mode is not especially roomy\. (review) ### 4. [Britax Cypress](/products/ucp/megababiesusa-com/8300037931262) (sold by megababiesusa\.com) The listed dimensions are 28\.1 inches deep, 16\.9 inches wide and 24\.1 inches high\. - Fit or space: - - Dimensions: The listed dimensions are 28\.1 inches deep, 16\.9 inches wide and 24\.1 inches high\. (guide) - Installation: - ## Also cited in the text - Britax Emblem, compact fit: Parents quoted on the page say it takes roughly 31 inches front to back when rear\-facing and that two rear\-facing seats fit side by side in a Prius\. (blog) 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\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-23T20:03:43.952Z. This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)