| Model Year | 2015 | 2023 | |
| Model | BMW 5-Series | BMW i7 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 116.9 in | 126.6 in | -9.7 in |
| Length | 193.4 in | 212.2 in | -18.8 in |
| Width | 73.2 in | 76.8 in | -3.6 in |
| Height | 57.6 in | 60.8 in | -3.2 in |
| Curb Weight | 3814 lb. | 5917 lb. | -2103 lb. |
| Fuel Capacity | 18.5 gal. | 0.0 gal. | 18.5 gal. |
| Headroom, Row 1 | 40.5 in | 39.8 in | 0.7 in |
| Shoulder Room, Row 1 | 58.3 in | 61.0 in | -2.7 in |
| Legroom, Row 1 | 41.4 in | 41.2 in | 0.2 in |
| Headroom, Row 2 | 38.3 in | 38.6 in | -0.3 in |
| Shoulder Room, Row 2 | 56.2 in | 56.3 in | -0.1 in |
| Legroom, Row 2 | 35.3 in | 43.3 in | -8 in |
| Total Legroom | 76.7 in (over 2 rows) | 84.5 in (over 2 rows) | -7.8 in |
| Cargo Volume | 18.4 ft3 | 18.0 ft3 | 0.4 ft3 |
None of our members have yet commented on the seat room and comfort of the 2015 BMW 5-Series.
None of our members have yet commented on the seat room and comfort of the 2023 BMW i7.