| Model Year | 2015 | 2023 | |
| Model | Mercedes-Benz CLS | BMW Z4 | |
| Engine | turbocharged 5.5L V8 DOHC-4v 577 hp@5500 590 lb-ft@1750 |
turbocharged 3.0L I6 DOHC-4v 382 hp@5800 369 lb-ft@1800 |
|
| Transmission | 7-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | AWD | RWD | |
| Body | 4dr Sedan | 2dr Convertible | |
| Difference | |||
| Wheelbase | 113.2 in | 97.2 in | 16 in |
| Length | 194.5 in | 170.7 in | 23.8 in |
| Width | 74.1 in | 73.4 in | 0.7 in |
| Height | 55.8 in | 51.4 in | 4.4 in |
| Curb Weight | 4420 lb. | 3457 lb. | 963 lb. |
| Fuel Capacity | 21.1 gal. | 13.7 gal. | 7.4 gal. |
| Headroom, Row 1 | 36.9 in | 38.9 in | -2 in |
| Shoulder Room, Row 1 | 57.1 in | 54.3 in | 2.8 in |
| Hip Room, Row 1 | 58.0 in | 0.0 in | 58 in |
| Legroom, Row 1 | 42.1 in | 42.2 in | -0.1 in |
| Headroom, Row 2 | 36.1 in | 0.0 in | 36.1 in |
| Shoulder Room, Row 2 | 56.5 in | 0.0 in | 56.5 in |
| Hip Room, Row 2 | 57.6 in | 0.0 in | 57.6 in |
| Legroom, Row 2 | 35.0 in | 0.0 in | 35 in |
| Total Legroom | 77.1 in (over 2 rows) | 42.2 in (over 1 rows) | 34.9 in |
| Cargo Volume | 15.3 ft3 | 9.9 ft3 | 5.4 ft3 |
None of our members have yet commented on the seat room and comfort of the 2015 Mercedes-Benz CLS.
None of our members have yet commented on the seat room and comfort of the 2023 BMW Z4.