Britax Pioneer 70 Combination Harness-2-Booster Car Seat
what parents are saying
Our oldest moved from a Britax Marathon to a Pioneer. It's comfortable, easy to install, and easy to clean. Would definitely recommend to my friends. (Apr 07, 2017)
Jennifer D.
as seen on weelists
what parents are saying
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- Andrea S.
WILD ROSE, Wisconsin
good for a high back booster. Apr 09, 2021
- Jacklynn J.
Salisbury, North Carolina
Loved these seats. Literally saved two of my boys lives in an accident. I’m so glad I purchased these. I was sad I had to throw them out after the accident though. Couldn’t afford more. Great seats! Dec 17, 2019
- Emily M.
Laurel, Mississippi
This seat was an easy install in my vehicles, but your mileage may vary. Comfortable, and TALL. Great long lasting seat. Oct 18, 2019
- Dahlia N.
Long Beach , New York
We have two in the back seat and they’re narrow enough to be able to sit in between them. Was fairly easy to install. Kids find them comfortable and like the cup holders. Love the oasis color. Aug 04, 2019
- Linnea W.
Otsego, Minnesota
I do like the high harness height and the fit to the child. I don't like the straps (they are rough) and it's very hard to install, the plate comes forward from the seat belt and pushes out. May 04, 2019
- Tiffany A.
San Bernardino , California
No cup holders or headrest. My child was very unhappy Jan 08, 2019
- Katie A.
Prior Lake, Minnesota
Great seat for kids who still need a 5 point harness but have outgrown other seats. Can be difficult to get harness tight. Large and cumbersome. Does not work in a 3 across situation in most cases. Aug 16, 2018
We have this booster for my husband's car. It works well as a back up. I would get annoyed using it on a regular basis because the cover slides off of the seat easily. The lime green also shows dirt. Jul 11, 2018
- Jen S.
Nepean, Canada
This is a great booster seat. We like that it still has a harness belt as our 4 yr old still falls asleep in the car. We have one in each car. The con is that the strap is tuff to tighten. Jul 04, 2018
- Sarah D.
Lee’s Summit, Missouri
Easy to install, easy to use! Only con is that it’s super heavy, but it’s also very solid! Jul 03, 2018
- Ashley W.
Webberville, Michigan
Super simple to install, and I love that the harness weight goes up to 70lbs and height up to 58ins!! Great car seat! Apr 10, 2018
- Therese M.
Dallas, Texas
Easy to latch install, seatbelt isn't hard but the Frontier is way easier, but the Pioneer is a lot cheaper. Still fits my 8 year old with lots of room to grow. Feb 19, 2018
- Lindsay C.
Knoxville, Tennessee
Good sturdy seat but very hard to tighten! Jan 29, 2018
- Alyssa H.
Garwood, New Jersey
Great for when they want to be in a booster but you still want a 5 point harness. Very comfortable for my little guy. Jul 24, 2017
- Stephanie F.
Marcellus , Michigan
Best car seats for the transition from convertible to booster. My boys love them and love the cup holders and I love that my kids are safe. Thank you britax Feb 14, 2017
- Danielle V.
Lancaster , Pennsylvania
LOVE! My kids love these seats! Easy to install, very sturdy, grows with them since it's up to 110lbs. It is heavy but I feel that comes with the territory of being extra safe. Jan 09, 2017
- Tara T.
Olathe, Kansas
Great long-lasting forward-facing seat for most kiddos. My 5.5 year old is still easily harnessed in this seat. Will also make a good booster for him when the time comes. Jan 02, 2017
- Felicia L.
Frederick , Colorado
Currently using this with my toddler. She is tall and she is comfortable in it with room to grow. She loves to put toys & snacks in cup holders. Very happy with it. Installation Is ok- watch video. Sep 15, 2016
- Kathleen T.
Lebanon , Pennsylvania
Got as my son's 'forever seat'! So happy I can keep him harnessed for so long with this seat. Easy to install and not incredibly heavy like others. Aug 19, 2016
- destinee p.
FERNDALE, Washington
My five year old can buckle and unbuckle himself easily and properly. Decent install though I wish it had the click tight. Fabulous and long lasting for the price. Love the material. Dec 13, 2015
- Luis G.
Tustin, California
Great combination booster, has 5 point restraint and converts to booster, very comfortable for toddler Nov 24, 2014
- Christina O.
Santa Ynez, Ca., California
My (almost) 3 year old absolutely loves his new "big boy" car seat. He is so comfortable in this seat. Takes naps with head fully supported and the cup holders are an added bonus! Sep 30, 2014
Love it. Not sure of the difference between this and frontier. But it's great and my daughter feels comfortable and I feel safe Jul 30, 2014
When my son reached 40 pounds we got this and he loves it. Easy to use, fits in the seat on Southwest flights. Heavy but sturdy. Love it. Jul 29, 2014
See More Reviews
(including your friends’ reviews!)
Featured Parents' Reviews-
- Jenn K.
Colorado Springs , Colorado
Love these seats. Easy to install. Easy to wipe clean. Great cup holders. Only issue is kids always step on tightening strap so I am constantly readjusting the straps. Jan 22, 2019
- Rachael H.
Street, Maryland
Great long lasting seat for older kids. My son loves it. Fits with 2 other seats in my SUV Sep 21, 2017
- Jennifer D.
APO AE, New York
Our oldest moved from a Britax Marathon to a Pioneer. It's comfortable, easy to install, and easy to clean. Would definitely recommend to my friends. Apr 07, 2017
- Kate S.
Asheville, North Carolina
The bottom seat cushion falls off constantly, the stitching rips around the slit for the buckle and the plastic pins broke off on the compartment under the seat that stores the latches... not a fan Feb 21, 2017
- Jessica C.
Dayton, Ohio
This is a fab seat for a tall toddler. My child is 44 inches at 3 years old. I want to keep her in a harness for as long as I can. This seat allows kids to be harnessed up to 57"! Score! Jan 16, 2016
More Parents' Reviews-
- Andrea S.
WILD ROSE, Wisconsin
good for a high back booster. Apr 09, 2021
- Jacklynn J.
Salisbury, North Carolina
Loved these seats. Literally saved two of my boys lives in an accident. I’m so glad I purchased these. I was sad I had to throw them out after the accident though. Couldn’t afford more. Great seats! Dec 17, 2019
- Emily M.
Laurel, Mississippi
This seat was an easy install in my vehicles, but your mileage may vary. Comfortable, and TALL. Great long lasting seat. Oct 18, 2019
- Dahlia N.
Long Beach , New York
We have two in the back seat and they’re narrow enough to be able to sit in between them. Was fairly easy to install. Kids find them comfortable and like the cup holders. Love the oasis color. Aug 04, 2019
- Linnea W.
Otsego, Minnesota
I do like the high harness height and the fit to the child. I don't like the straps (they are rough) and it's very hard to install, the plate comes forward from the seat belt and pushes out. May 04, 2019
- Tiffany A.
San Bernardino , California
No cup holders or headrest. My child was very unhappy Jan 08, 2019
- Katie A.
Prior Lake, Minnesota
Great seat for kids who still need a 5 point harness but have outgrown other seats. Can be difficult to get harness tight. Large and cumbersome. Does not work in a 3 across situation in most cases. Aug 16, 2018
We have this booster for my husband's car. It works well as a back up. I would get annoyed using it on a regular basis because the cover slides off of the seat easily. The lime green also shows dirt. Jul 11, 2018
- Jen S.
Nepean, Canada
This is a great booster seat. We like that it still has a harness belt as our 4 yr old still falls asleep in the car. We have one in each car. The con is that the strap is tuff to tighten. Jul 04, 2018
- Sarah D.
Lee’s Summit, Missouri
Easy to install, easy to use! Only con is that it’s super heavy, but it’s also very solid! Jul 03, 2018
- Ashley W.
Webberville, Michigan
Super simple to install, and I love that the harness weight goes up to 70lbs and height up to 58ins!! Great car seat! Apr 10, 2018
- Therese M.
Dallas, Texas
Easy to latch install, seatbelt isn't hard but the Frontier is way easier, but the Pioneer is a lot cheaper. Still fits my 8 year old with lots of room to grow. Feb 19, 2018
- Lindsay C.
Knoxville, Tennessee
Good sturdy seat but very hard to tighten! Jan 29, 2018
- Alyssa H.
Garwood, New Jersey
Great for when they want to be in a booster but you still want a 5 point harness. Very comfortable for my little guy. Jul 24, 2017
- Stephanie F.
Marcellus , Michigan
Best car seats for the transition from convertible to booster. My boys love them and love the cup holders and I love that my kids are safe. Thank you britax Feb 14, 2017
- Danielle V.
Lancaster , Pennsylvania
LOVE! My kids love these seats! Easy to install, very sturdy, grows with them since it's up to 110lbs. It is heavy but I feel that comes with the territory of being extra safe. Jan 09, 2017
- Tara T.
Olathe, Kansas
Great long-lasting forward-facing seat for most kiddos. My 5.5 year old is still easily harnessed in this seat. Will also make a good booster for him when the time comes. Jan 02, 2017
- Felicia L.
Frederick , Colorado
Currently using this with my toddler. She is tall and she is comfortable in it with room to grow. She loves to put toys & snacks in cup holders. Very happy with it. Installation Is ok- watch video. Sep 15, 2016
- Kathleen T.
Lebanon , Pennsylvania
Got as my son's 'forever seat'! So happy I can keep him harnessed for so long with this seat. Easy to install and not incredibly heavy like others. Aug 19, 2016
- destinee p.
FERNDALE, Washington
My five year old can buckle and unbuckle himself easily and properly. Decent install though I wish it had the click tight. Fabulous and long lasting for the price. Love the material. Dec 13, 2015
- Luis G.
Tustin, California
Great combination booster, has 5 point restraint and converts to booster, very comfortable for toddler Nov 24, 2014
- Christina O.
Santa Ynez, Ca., California
My (almost) 3 year old absolutely loves his new "big boy" car seat. He is so comfortable in this seat. Takes naps with head fully supported and the cup holders are an added bonus! Sep 30, 2014
Love it. Not sure of the difference between this and frontier. But it's great and my daughter feels comfortable and I feel safe Jul 30, 2014
When my son reached 40 pounds we got this and he loves it. Easy to use, fits in the seat on Southwest flights. Heavy but sturdy. Love it. Jul 29, 2014
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