Since you have a smaller car, I would suggest trying to find an
infant car seat to start with a higher than average harness weight capacity like the
Chicco Key Fit 30 or
Graco Safe Seat Step 1. Both go up to 30 lbs.
rear-facing. The reason I recommend this is that normally there are few issues installing a larger
convertible seat unless you are installing and using it
rear-facing. This way once baby has outgrown the
infant seat, you could move into a
forward-facing convertible or combination seat.
Any of the seats you mentioned are great seats. They all meet the same Federal requirements for safety and the
Chicco Key Fit is one of the easiest seats to install -
Consumer Reports even agrees!
As far as actual fit in your vehicle, I wish I could be of ore help. There is no data for the 2006 Eclipse in the database yet but I did look up the Eclipse in general and the only
infant seat installed that we have info on is the
Graco Snugride. And most of those showed a poor fit. The only acceptable fit was this
infant seat in the center of the back seat.
Not sure how much the Eclipse has changed over the years (I'm sure quite a bit) but it looks like the 96 model fit the old
Britax Freeway
forward-facing well which should mean that you should be able to get the
Britax Roundabout and
Britax Diplomat to work. However, I would try one with a higher harness weight capacity like the
Britax Marathon,
Britax Decathlon,
Britax Boulevard,
RECARO Como or
RECARO Signo first and know if one of those don't work
forward-facing that the other two
Britax seats should be a safe fallback option. The
Roundabout and
Diplomat only work with children up to 40 lbs. in the harness as opposed to the others working up to 65 - 70 lbs.
I hope that helps!
Kelly
CPS Technician