Compare Marathon Onyx Booster Car Seat to Boulevard Onyx Convertible Car Seat

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Britax Marathon Onyx

Marathon Onyx Booster Car Seat

Britax Onyx

Boulevard Onyx Convertible Car Seat

From $204.99  |  2 stores
From $238.99  |  9 stores
Product Description
The legendary Britax Marathon™ convertible car seat is renowned for safety, comfort, and convenience. The Marathon is also one of many Britax products renowned for its ability to keep... More
The legendary Britax Marathon™ convertible car seat is renowned for safety, comfort, and convenience. The Marathon is also one of many Britax products renowned for its ability to keep your child in a harnessed restraint up to 65 pounds. Less
The Britax Boulevard car seat features True Side Impact Protection with deep side walls and head support to provide advanced protection in side impact collisions. The easy-turn knob quickly... More
The Britax Boulevard car seat features True Side Impact Protection with deep side walls and head support to provide advanced protection in side impact collisions. The easy-turn knob quickly adjusts the headrest and harness height without having to uninstall the seat. Less
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Key Features   
Recommended For Ages More than 4 Years -
Additional Features Top Tether Strap Latch System • Top Tether Strap
Type   Booster Convertible
Seating Direction   Rear / Forward Facing Rear / Forward Facing
Restraint System 5-Point Safety Harness 5-Point Safety Harness
Stay-in Car Base   No Detachable Base With Detachable Base
Adjustable Harness Height Adjustable Harness Height Adjustable Harness Height
Height Limit 18 - 49 In. Up to 49 In.
Weight Limit 65 - 5 lbs. 5 - 65 lbs.
Other Features   
Brand Britax Römer Britax Römer
Head Protection No Headrest With Headrest
Carry handle No Carry Handle -
Miscellaneous   
Product ID 28765004 50965762
UPC 652182052492 22791523841
Product MPN   
MPN E9L0669 R105769
 
Consumer Reviews
Britax Marathon Onyx
Marathon Onyx Booster Car Seat
From $204.99
Britax Onyx
Boulevard Onyx Convertible Car Seat
From $238.99

Product Review Summary

4.9
Based on 63 user reviews
96% recommend this product
5 stars
58
4 stars
2
3 stars
2
2 stars
1
1 star
Pros
  • Durable (34)
  • Comfortable (32)
  • Safe (32)
  • Easy to Use (31)
  • Great Design (24)
  • Good Value (12)
  • Stable (4)
  • Easy to Clean (2)
  • Sturdy (2)
  • Good Quality (2)
Cons
  • Expensive (17)
  • Bulky (8)
  • Heavy (5)
  • none (4)
  • Difficult to Clean (1)
  • fit around legs a little tight (1)
  • outgrown too fast (1)
  • Difficult to adjust (1)
Good For
  • Toddlers (34)
  • Everyday Use (28)
  • Large Cars (26)
  • Infants (24)
  • Travel (18)
  • Small Cars (12)
  • Short Trips (6)
  • Long Trips (6)
  • Boys (1)
  • Preschoolers (1)
Show More »
« Show Less

Consumer Reviews

9

When "Good" just isn't enough...

bylunachan9 Jun 15, 2009
17 Helpfuls 18 Helpfuls Was this review helpful?
Pros Ease of use, safety, comfort
Cons Price, size
Recommended it? Yes

I am infatuated with my son’s Britax car seat.  When I worked at Babies R Us (about 6 years ago) I learned just about everything I could learn about car seats, how they’re made, how seat A stacks up against seat B and the ratings and what you should look for.  You also learn all the quirks that... Read full review »

9

Safty is worth the price!

byhjakeway May 29, 2008
16 Helpfuls 17 Helpfuls Was this review helpful?
Pros Stable, Safe & Can stay in until 65 pounds
Cons Smaller base tears up your seats & narrow in seat for bigger kids
Recommended it? Yes

We own 2 of the Marathons and 2 of the Regents! We moved our 4 year old into the Regent when baby came. The Regent is a little better for the bigger kids but you certainly don't have to change. We just chose to move her.

**Note Use a pad under the base. The base is smaller and tears up... Read full review »

Read All Reviews »

Product Review Summary

4.6
Based on 25 user reviews
92% recommend this product
5 stars
17
4 stars
7
3 stars
2 stars
1 star
1
Pros
  • Safe (8)
  • Comfortable (7)
  • Good Value (5)
  • Durable (4)
  • Great Design (4)
  • Easy to Use (4)
  • Easy to Clean (2)
  • Quality Construction (1)
  • Stable (1)
  • Sturdy (1)
Cons
  • Heavy (5)
  • Bulky (5)
  • Difficult to Clean (2)
  • Not Adjustable (1)
  • difficult to install (1)
  • Unstable (1)
Good For
  • Large Cars (8)
  • Toddlers (7)
  • Small Cars (6)
  • Short Trips (5)
  • Long Trips (5)
  • Infants (4)
  • Everyday Use (3)
  • Preemies (2)
  • Newborn (2)
  • Kindergarten (1)
Show More »
« Show Less

Consumer Reviews

1

Definitely worth it

bysofiab Sep 11, 2007
17 Helpfuls 18 Helpfuls Was this review helpful?
Pros The maximum weight it takes (65 pounds) and it's overall quality and saftey aspects
Cons Price and the weight of the actual seat itself
Recommended it? Yes

After many MANY weeks of research, gathering information from several sites, reviews etc I decided that the Britax Boulevard was definitely the safest bet available on the market. The things that sold me: All the safety gadgets that other seats don't have like the side impact wings, the HUGS... Read full review »

6

Britax Boulevard - the best and safest car seat

byychao Jun 18, 2007
17 Helpfuls 18 Helpfuls Was this review helpful?
Pros Safety, Comfort, Convenience
Cons size, the head-rest can block rear view, price
Recommended it? Yes

I have a britax boulevard, and absolutely love it. We have used a Britax Wizard, a Sit n Stroll, and now the Boulevard. We have used the Boulevard for about 6 or 7 months now.

Britax Boulevard is about the same size as their Marathon, with added head rest wings to protect the head. The... Read full review »

Read All Reviews »
 
 
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