| Model Year | 2008 | 2020 | |
| Model | Mercedes-Benz C-Class | BMW i3 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Hatch | |
| Difference | |||
| Wheelbase | 108.7 in | 101.2 in | 7.5 in |
| Length | 182.3 in | 157.4 in | 24.9 in |
| Width | 69.7 in | 69.9 in | -0.2 in |
| Height | 56.3 in | 62.1 in | -5.8 in |
| Curb Weight | 3527 lb. | 2961 lb. | 566 lb. |
| Fuel Capacity | 17.4 gal. | 2.4 gal. | 15 gal. |
| Headroom, Row 1 | 37.1 in | 39.6 in | -2.5 in |
| Shoulder Room, Row 1 | 54.7 in | 54.8 in | -0.1 in |
| Hip Room, Row 1 | 52.3 in | 0.0 in | 52.3 in |
| Legroom, Row 1 | 41.7 in | 0.0 in | 41.7 in |
| Headroom, Row 2 | 36.9 in | 37.2 in | -0.3 in |
| Shoulder Room, Row 2 | 55.1 in | 50.4 in | 4.7 in |
| Hip Room, Row 2 | 54.9 in | 0.0 in | 54.9 in |
| Legroom, Row 2 | 33.4 in | 0.0 in | 33.4 in |
| Total Legroom | 75.1 in (over 2 rows) | 0 in (over 1 rows) | 75.1 in |
| Cargo Volume, Minimum | 12.4 ft3 | 2.8 ft3 | 9.6 ft3 |
| Cargo Volume, Maximum | 12.4 ft3 | 11.8 ft3 | 0.6 ft3 |
| 2008 Mercedes-Benz C-Class Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr Sedan 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
The seat causes no discomfort to my tailbone like many ohter cars. Furthermore, the padding is firm and feels like it will last a long time. see full Mercedes-Benz C-Class review |
| 2009 | 4dr Sedan 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
Mercedes-Benz makes the best seats in the business, period. Even after a 10 hour drive, my back did not hurt. see full Mercedes-Benz C-Class review |
| 2008 Mercedes-Benz C-Class Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr Sedan supercharged 181hp 1.8L I4 5-speed shiftable automatic RWD |
Not much leg room when compared to other luxury entries. No flat floor so a 3rd passenger in the rear is not possible. see full Mercedes-Benz C-Class review |
| 2009 | 4dr Sedan supercharged 181hp 1.8L I4 5-speed shiftable automatic RWD |
Center console and stack cut into front side leg room, my left leg is always up against the center console. see full Mercedes-Benz C-Class review |
| 2008 | 4dr Sedan 268-horsepower 3.5L V6 7-speed shiftable automatic RWD |
just ok see full Mercedes-Benz C-Class review |
| 2008 | 4dr Sedan supercharged 181hp 1.8L I4 5-speed shiftable automatic RWD |
too tight back there. see full Mercedes-Benz C-Class review |
None of our members have yet commented on the seat room and comfort of the 2020 BMW i3.