| Model Year | 2015 | 2023 | |
| Model | BMW Z4 | BMW i7 | |
| Engine | turbocharged 3.0L I6 DOHC-4v 300 hp@5800 300 lb-ft@1300 |
Electric 536 hp 549 lb-ft |
|
| Transmission | 7-speed automated manual | 1-speed automatic | |
| Drivetrain | RWD | AWD | |
| Body | 2dr Hardtop conv. | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 98.3 in | 126.6 in | -28.3 in |
| Length | 166.9 in | 212.2 in | -45.3 in |
| Width | 70.5 in | 76.8 in | -6.3 in |
| Height | 50.8 in | 60.8 in | -10 in |
| Curb Weight | 3538 lb. | 5917 lb. | -2379 lb. |
| Fuel Capacity | 14.5 gal. | 0.0 gal. | 14.5 gal. |
| Headroom, Row 1 | 39.1 in | 39.8 in | -0.7 in |
| Shoulder Room, Row 1 | 53.3 in | 61.0 in | -7.7 in |
| Legroom, Row 1 | 42.2 in | 41.2 in | 1 in |
| Headroom, Row 2 | 0.0 in | 38.6 in | -38.6 in |
| Shoulder Room, Row 2 | 0.0 in | 56.3 in | -56.3 in |
| Legroom, Row 2 | 0.0 in | 43.3 in | -43.3 in |
| Total Legroom | 42.2 in (over 1 rows) | 84.5 in (over 2 rows) | -42.3 in |
| Cargo Volume | 10.9 ft3 | 18.0 ft3 | -7.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2015 BMW Z4.
None of our members have yet commented on the seat room and comfort of the 2023 BMW i7.