| Model Year | 2020 | 2009 | |
| Model | BMW Z4 | Mercedes-Benz S-Class | |
| Engine | turbocharged 3.0L I6 DOHC-4v 382 hp@5500 368 lb-ft@1850 |
6.2L V8 DOHC-4v 518 hp@6800 465 lb-ft@5200 |
|
| Transmission | 8-speed shiftable automatic | 7-speed shiftable automatic | |
| Drivetrain | RWD | RWD | |
| Body | 2dr Convertible | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 97.2 in | 124.6 in | -27.4 in |
| Length | 170.7 in | 205.0 in | -34.3 in |
| Width | 73.4 in | 73.7 in | -0.3 in |
| Height | 51.4 in | 58.0 in | -6.6 in |
| Curb Weight | 3457 lb. | 4663 lb. | -1206 lb. |
| Fuel Capacity | 13.7 gal. | 23.8 gal. | -10.1 gal. |
| Headroom, Row 1 | 38.9 in | 37.8 in | 1.1 in |
| Shoulder Room, Row 1 | 54.3 in | 59.1 in | -4.8 in |
| Legroom, Row 1 | 42.2 in | 41.9 in | 0.3 in |
| Headroom, Row 2 | 0.0 in | 38.5 in | -38.5 in |
| Shoulder Room, Row 2 | 0.0 in | 58.7 in | -58.7 in |
| Legroom, Row 2 | 0.0 in | 42.3 in | -42.3 in |
| Total Legroom | 42.2 in (over 1 rows) | 84.2 in (over 2 rows) | -42 in |
| Cargo Volume | 9.9 ft3 | 16.3 ft3 | -6.4 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 BMW Z4.
None of our members have yet commented on the seat room and comfort of the 2009 Mercedes-Benz S-Class.