Upon request, here are photos of the seat installed in my 2001 Ford Taurus.
Here are the posts regarding the Britax Frontier:
Post #1 – When we first got the Frontier with comparison pix next to the Marathon.
Post #2 – Answered some visitor questions with photos of my oldest 10 yo daughter in the seat.
> Post #3 – This post shows car’s belt measurements of the seat installed in my 2001 Ford Taurus.
Post #4 – Shows how high the head rest goes and how much the seat slopes in recline and upright positions. My oldest 10yo daughter is shown in the seat with head rest up.
Some measurements of the seat installed in the car: