In this post, I provide comparative details of Britax B Safe vs Ultra vs Endeavor vs Britax B safe 35.
Britax B Safe 35 vs Elite
Britax B Safe Ultra is similar to Britax Elite as they are both rear-facing infant car seats that can support your infant with weight from 4 pounds to 35 pounds. Below are more similarities between Britax Ultra and Elite:
- They both have 2 layers of side impact protection
- They both have similar installation systems with SafeCenter LATCH, Built-in lock-offs, Spring-Assisted Recline, and Dual Level Indicators
- They have similar comfort features that include an ergonomic handle, easy-remove cover, and an extra-large canopy
The biggest difference between Britax B Safe Ultra and Elite are the following three:
- Britax B Safe Ultra has a European belt guide while Elite does not
- Britax B Safe Ultra has a flip-forward belly pad
The table below summarizes all the differences and similarities of Britax B Safe Ultra and Elite
Britax B Safe 35 | Britax B Safe Elite |
Made in USA | Made in USA |
Released to market on March 12, 2018 | Released to market on March 12, 2018 |
Dimensions: 17.8 x 25 x 26.5 inches | Dimensions: 17.75 x 25 x 30.62 inches |
Rated 4.1/5 by over 70 customers | Rated 4.1/5 by over 110 customers |
Seat width 8.75” | Seat width 8.75” |
Weight recommendation: 4-35 lbs | Weight recommendation: 4-35 lbs |
Certified for Aircraft Travel | Certified for Aircraft Travel |
Two layers of Side Impact Protection | Two layers of Side Impact Protection |
Current Ranking on Amazon: 37 out of top 100 | Current Ranking on Amazon: 35 out of 100 |
Has SafeCell Impact Protection | Has SafeCell Impact Protection |
5-Point Harness | 5-Point Harness |
3 recline positions | 3 recline positions |
Weight: 12 lbs | Weight: 11 lbs |
Has SafeCell Impact Absorbing Base | Has SafeCell Impact Absorbing Base |
Two Side Impact Protection layers | Two Side Impact Protection layers |
Click & Go Travel System Compatible | Click & Go Travel System Compatible |
6 No-rethread harness positions | 4 No-rethread harness positions |
Has European belt guide | No European belt guide |
Does not have an anti-rebound bar | Does not have an anti-rebound bar |
Check Price | Check Price |
Britax B Safe Ultra vs Chicco Fit 2
Britax B Safe Ultra | Chicco Fit 2 |
Made in the USA | Made in China |
No-rethread harness | No-rethread harness |
Recommended infant weight of 4 to 35 pounds | Recommended infant weight of 4 to 35 pounds |
Recommended infant height of up to 32 inches | Recommended infant height of up to 35 inches |
Seat weight (without base): 12 pounds | Seat weight (without base): 12 pounds |
Check Price | Check Price |
Britax B Safe Ultra vs Britax B safe 35
Britax B Safe Ultra | Britax B Safe 35 |
Made in USA | Made in USA |
Weight recommendation: 4-35 lbs | Weight recommendation: 4-35 lbs |
Two layers of Side Impact Protection | One layer of Side Impact Protection |
Easy to remove the cover | Not easy to remove the cover |
Premium Fabrics & Padding | No Premium Fabrics & Padding |
Has European belt guide | No European belt guide |
Check Price | Check Price |
Britax B Safe Ultra vs Chicco Keyfit 30
Britax B Safe Ultra | Chicco Keyfit 30 |
Made in USA | Made in China |
It has a width measuring 17 inches and height measuring 24 inches | |
Seats made of Lead-Free Material | Seats made of Lead-Free Material |
2 layers of Side Impact Protection: | Improved side impact protection |
Has a steel frame | Does not have a steel frame |
Check Price | Check Price |
Britax B Safe Ultra vs Endeavor
There are minor differences between Britax B Safe Ultra and Britax Endeavor. Both units have a European belt guide but Britax Endeavor has an anti-rebound bar which Ultra doesn’t. Both have the same weight recommendation as they can support infants from 4 lbs to 35 lbs and both have 2 layers of side impact protection. The comparison table below shows all the differences between the Britax B Safe Ultra and Britax Endeavor:
Britax B Safe Ultra | Britax Endeavor |
Has European belt guide | Has European belt guide |
Released to market on March 12, 2018 | Released to market on March 29, 2019 |
Dimensions: 17.8 x 25 x 26.5 inches | Dimensions: 17.75 ” W x 25 ” H x 30.62 ” D |
Two layers of Side Impact Protection | Two layers of Side Impact Protection |
Current Ranking on Amazon: 37 | Current Ranking on Amazon: 65 |
5-Point Harness | 5-Point Harness |
It weighs 12 lbs | It weighs 11.5 lbs |
Does not have an anti-rebound bar | Has an anti-rebound bar |
Check Price | Check Price |
Britax B Safe Ultra vs Nuna Pipa
Nuna Pipa and Britax B Safe Ultra are infant car seats that made to our top 10 list of best infant car seats in 2019. Nuna Pipa has a lower weight recommendation of u to 32 pounds while Britax B Safe Ultra has a higher recommended weight limit of up to 35 pounds.
Nuna Pipa is however not available on Amazon but can be obtained from stores such as Babylist or at Nordstrom. They are both considered relatively expensive as they sell for over $230.
Britax B Safe Ultra | Nuna Pipa |
Weight recommendation: 4-35 lbs | Child weight range: 4 – 32 lbs |
More comfortable and safer | Less comfy |
Child standing height 32″ | Child height limit: 32” |
Car seat carrier weight: 11 lbs | Car seat carrier weight: 7.9 lbs |
Car seat dimensions 17.75 W x 25 H x 30.62 D inches. | Car seat dimensions: 21” x 17” x 28” |
Check Price | Check Price |
Britax B Safe Ultra was the overall best infant car seat in our 2021 list of top 10 car seats for infants. Compared with all Britax car seat brands and Chicco car seat brands, Britax B Safe Ultra took the lead when all the features are compared. Britax introduced nanotechnology in Britax B Safe Ultra. Nanotex technology has been around since 1959 and essentially, it enables textiles to resist spills and stains by changing the molecular level of the fabric. This technology is fire-retardant and is machine-washable.
This infant car seat was released to the market on March 12, 2018, and as of this update in September, Britax B Safe Ultra Cool Flow users have given it an average rating of 4.1/5 on Amazon.
Reception in the market:
Britax B Safe Ultra is currently among the top 100 best-selling infant car seats available on Amazon and over 77% of the reviews have given this infant car seat 4 or 5 stars.
Video Review of Britax B Safe Ultra
Why Britax B Safe Ultra Is The Best Britax Car Seat

- Advanced Safety Features: Unlike Britax B Safe 35 and Britax B Safe Elite, Britax B Safe Ultra has European Belt Guide which allows you to easily fit the seat in the car in case you don’t have the Britax infant car seat base.
- Strong support to supper higher weight limit and height: Like other Britax Infant car seats, Britax B Safe Ultra is well built and can support infants with weight as low as 4 pounds to 35 pounds and a max height of 32 feet. Not many infant car seats we reviewed in our top 10 list were as generous with weight support as Britax car seats.
- Great ergonomically designed handlebars that make it easy to turn Britax B Safe 35 into a carrier. It also has lock-offs to ensure the stability of your little on.
Britax B Safe Ultra Installation
The video below shows the five steps you’d need to follow to install Britax B Safe Ultra:
Britax B Safe Ultra Base & Extra
Britax B Safe Ultra base comes with a base but can be installed in the car with or without its base. The base shown below is considered more secure compared to using Britax B Safe Ultra with a seatbelt. The Britax B Safe Ultra base is compatible with other Britax car seats such as Endeavor, B Safe 35 and Elite.
Britax B Safe base costs about $110 and has the following dimensions; 13.8 x 7.5 x 21.5 inches (WxHxD). The seat weighs 9.04 pounds and is currently the best-selling infant car seat on Amazon. If your current Britax B Safe base has expired you can buy a Britax b safe ultra extra base from Amazon using the link above.
Britax B Safe Ultra Travel System
Britax B Safe Ultra is compatible with the Britax B-Lively travel system that we’ve reviewed before here at 10BabyGear. Britax B-Lively travel system actually came ahead of all the travel systems we reviewed and you can see the entire list of all best travel systems for infant car seats.
Britax B Safe Ultra is also compatible with Britax B-Free travel system
Britax B Safe Stroller Compatibility
Britax B Safe Ultra is compatible with the following strollers using the built-in adapters :
- Britax B-Lively
- Britax B-Agile,
- Britax B-Free,
- Britax B-Mobile and
- Britax B-Ready Strollers
Britax B Safe Ultra Manual
Here is the manual for Britax B Safe Ultra
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Hi there! I am Ashley Davis, a mom of three kids and the editor here at Motherhoodhq.com. I have been a parent since 2011 and have been doing full-time consulting as a baby sleep expert since 2019. When I am not researching or testing the next baby gear hitting the market, you’ll find me teaching my toddlers a trick or two – especially over the last few months with the lockdown. I hope you’ll find my guides and reviews helpful as you make your next purchase decision. If you have any questions, you can reach me at ashley.d@motherhoodhq.com.