Marathon ClickTight vs Boulevard ClickTight vs Advocate ClickTight

Marathon ClickTight

The first difference these three car seats from Britax are the Marathon ClickTight is a smaller convertible seat than the Boulevard and Advocate ClickTight. The height difference between the Marathon CT and Boulevard CT is an important factor if you want a bigger seat to prolong the time your children use the seat before moving to a booster seat.
The Boulevard CT and Advocate CT now have considerably taller height limits which are 27 inches for rear-facing. The seated shoulder height also increased in this version which is now about 18 inches for forward-facing. The Marathon ClickTight only increase the height limit by an inch over the previous version which is G4.

Boulevard ClickTight

The only difference worth talking about between the Boulevard ClickTight and Advocate ClickTight are the side impact cushions and the price.

As we mentioned above the Marathon ClickTight is a smaller car seat than the Advocate ClickTight, you can see how they compare to each other in the pictures below. Marathon also has a reinforced head restraint, but it doesn't adjust as high as the Advocate CT.

Marathon ClickTight vs Boulevard ClickTight

All three car seats now have 7 step recline positions with a level indicator and comes with a 10 year service life.

Advocate ClickTight

By the way for those who are curious about the external widths, they remained same as previous G4 models.