| Model Year | 2007 | 2007 | |
| Model | Kia Optima | Toyota Avalon | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 107.1 in | 111.0 in | -3.9 in |
| Length | 186.4 in | 197.2 in | -10.8 in |
| Width | 71.1 in | 72.8 in | -1.7 in |
| Height | 58.3 in | 58.5 in | -0.2 in |
| Curb Weight | 3142 lb. | 3490 lb. | -348 lb. |
| Fuel Capacity | 17.0 gal. | 18.5 gal. | -1.5 gal. |
| Headroom, Row 1 | 39.8 in | 38.8 in | 1 in |
| Shoulder Room, Row 1 | 57.1 in | 59.4 in | -2.3 in |
| Hip Room, Row 1 | 54.5 in | 55.8 in | -1.3 in |
| Legroom, Row 1 | 43.7 in | 41.3 in | 2.4 in |
| Headroom, Row 2 | 38.0 in | 37.5 in | 0.5 in |
| Shoulder Room, Row 2 | 56.3 in | 58.2 in | -1.9 in |
| Hip Room, Row 2 | 54.7 in | 56.2 in | -1.5 in |
| Legroom, Row 2 | 37.8 in | 40.9 in | -3.1 in |
| Total Legroom | 81.5 in (over 2 rows) | 82.2 in (over 2 rows) | -0.7 in |
| Cargo Volume | 14.8 ft3 | 14.4 ft3 | 0.4 ft3 |
| 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 |
| 2007 Toyota Avalon Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2007 | 4dr Sedan 268-horsepower 3.5L V6 5-speed shiftable automatic FWD |
Limo like rear seat that actually reclines. see full Toyota Avalon review |
| 2007 | 4dr Sedan 268-horsepower 3.5L V6 5-speed shiftable automatic FWD |
Plenty of room. see full Toyota Avalon review |
| 2007 | 4dr Sedan 268-horsepower 3.5L V6 5-speed shiftable automatic FWD |
Very adequate as is the back see full Toyota Avalon review |
| 2006 | 4dr Sedan 268-horsepower 3.5L V6 5-speed shiftable automatic FWD |
very comfortable see full Toyota Avalon review |