Model Year | 2006 | 2007 | |
Model | Infiniti M | Kia Optima | |
Engine | |||
Transmission | |||
Drivetrain | |||
Body | 4dr Sedan | 4dr Sedan | |
Difference | |||
Wheelbase | 114.2 in | 107.1 in | 7.1 in |
Length | 192.6 in | 186.4 in | 6.2 in |
Width | 70.8 in | 71.1 in | -0.3 in |
Height | 59.4 in | 58.3 in | 1.1 in |
Curb Weight | 3889 lb. | 3142 lb. | 747 lb. |
Fuel Capacity | 20.0 gal. | 17.0 gal. | 3 gal. |
Headroom, Row 1 | 39.6 in | 39.8 in | -0.2 in |
Shoulder Room, Row 1 | 58.2 in | 57.1 in | 1.1 in |
Hip Room, Row 1 | 55.1 in | 54.5 in | 0.6 in |
Legroom, Row 1 | 44.2 in | 43.7 in | 0.5 in |
Headroom, Row 2 | 37.8 in | 38.0 in | -0.2 in |
Shoulder Room, Row 2 | 56.9 in | 56.3 in | 0.6 in |
Hip Room, Row 2 | 53.9 in | 54.7 in | -0.8 in |
Legroom, Row 2 | 37.3 in | 37.8 in | -0.5 in |
Total Legroom | 81.5 in (over 2 rows) | 81.5 in (over 2 rows) | 0 in |
Cargo Volume | 14.9 ft3 | 14.8 ft3 | 0.1 ft3 |
2006 Infiniti M Seat Room and Comfort: Pros | ||
Year | Body/Powertrain | Comment |
2007 | 4dr Sedan 325-horsepower 4.5L V8 5-speed shiftable automatic RWD |
Very comfy, yet generally supportive. Highly adjustable with two memory options. Cooled and heated seats are wonderful. see full Infiniti M review |
2006 | 4dr Sedan 335-horsepower 4.5L V8 5-speed shiftable automatic RWD |
Most front leg room compared to similar vehicles at the time. Even rear leg room fair. First car I owned with rear view camera still working well with great color and resolution. see full Infiniti M review |
2006 Infiniti M Seat Room and Comfort: Cons | ||
Year | Body/Powertrain | Comment |
2006 | 4dr Sedan 335-horsepower 4.5L V8 5-speed shiftable automatic RWD |
Plenty see full Infiniti M review |
2006 | 4dr Sedan 335-horsepower 4.5L V8 5-speed shiftable automatic RWD |
Great--the Sport model has really good side bolstering and adjustable lumbar support + heated AND cooled seats. see full Infiniti M review |
2007 Kia Optima Seat Room and Comfort: Pros | ||
Year | Body/Powertrain | Comment |
2007 | 4dr Sedan 161-horsepower 2.4L I4 5-speed shiftable automatic FWD |
Spacious enough to allow my 84 year old mother to get in and out without injuring herself! see full Kia Optima review |
2007 | 4dr Sedan 161-horsepower 2.4L I4 5-speed shiftable automatic FWD |
After driving the Optima for five days straight for 10+ hours per day, other than the occasional stop, on a road trip, not one time did I get a sore back or thighs. see full Kia Optima review |