| Model Year | 2009 | 2007 | |
| Model | Mazda MX-5 Miata | Kia Optima | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Convertible | 4dr Sedan | |
| Difference | |||
| Wheelbase | 91.7 in | 107.1 in | -15.4 in |
| Length | 157.3 in | 186.4 in | -29.1 in |
| Width | 67.7 in | 71.1 in | -3.4 in |
| Height | 49.0 in | 58.3 in | -9.3 in |
| Curb Weight | 2441 lb. | 3142 lb. | -701 lb. |
| Fuel Capacity | 12.7 gal. | 17.0 gal. | -4.3 gal. |
| Headroom, Row 1 | 37.4 in | 39.8 in | -2.4 in |
| Shoulder Room, Row 1 | 53.2 in | 57.1 in | -3.9 in |
| Hip Room, Row 1 | 50.6 in | 54.5 in | -3.9 in |
| Legroom, Row 1 | 43.1 in | 43.7 in | -0.6 in |
| Headroom, Row 2 | 0.0 in | 38.0 in | -38 in |
| Shoulder Room, Row 2 | 0.0 in | 56.3 in | -56.3 in |
| Hip Room, Row 2 | 0.0 in | 54.7 in | -54.7 in |
| Legroom, Row 2 | 0.0 in | 37.8 in | -37.8 in |
| Total Legroom | 43.1 in (over 1 rows) | 81.5 in (over 2 rows) | -38.4 in |
| Cargo Volume | 5.3 ft3 | 14.8 ft3 | -9.5 ft3 |
| 2009 Mazda MX-5 Miata Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2010 | 2dr Convertible 167-horsepower 2.0L I4 6-speed manual RWD |
Seats fit my butt see full Mazda MX-5 Miata review |
| 2009 Mazda MX-5 Miata Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2008 | 2dr Convertible 158-horsepower 2.0L I4 6-speed shiftable automatic RWD |
No rear seat. see full Mazda MX-5 Miata 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 |