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2021 BMW 3-Series and 2020 BMW 4-Series Gran Coupe Specifications
| Model Year | 2021 | 2020 | |
| Model | BMW 3-Series | BMW 4-Series Gran Coupe | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Hatch | |
| Difference | |||
| Wheelbase | 2,850 mm | 2,819 mm | 0 mm |
| Length | 4,717 mm | 4,636 mm | 0 mm |
| Width | 1,826 mm | 1,824 mm | 0 mm |
| Height | 1,443 mm | 1,387 mm | 0 mm |
| Curb Weight | 1,628 kg | 1,664 kg | 0 kg |
| Fuel Capacity | 59 L | 60 L | -1 L |
| Headroom, Row 1 | 983 mm | 1,011 mm | 982 mm |
| Shoulder Room, Row 1 | 1,422 mm | 1,392 mm | 0 mm |
| Legroom, Row 1 | 1,067 mm | 1,072 mm | 0 mm |
| Headroom, Row 2 | 955 mm | 945 mm | 10 mm |
| Shoulder Room, Row 2 | 1,387 mm | 1,379 mm | 0 mm |
| Legroom, Row 2 | 894 mm | 856 mm | 38 mm |
| Total Legroom | 1,961 mm (over 2 rows) | 1,928 mm (over 2 rows) | 0 mm |
| Cargo Volume, Minimum | 479 L | 481 L | -2 L |
| Cargo Volume, Maximum | 16.9 | 1,300 L | 15.9 |
What Our Members Are Saying about the Seat Room and Comfort of the 2021 BMW 3-Series
None of our members have yet commented on the seat room and comfort of the 2021 BMW 3-Series.
What Our Members Are Saying about the Seat Room and Comfort of the 2020 BMW 4-Series Gran Coupe
None of our members have yet commented on the seat room and comfort of the 2020 BMW 4-Series Gran Coupe.
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