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2021 BMW 4-Series and 2018 Acura RLX Specifications
| Model Year | 2021 | 2018 | |
| Model | BMW 4-Series | Acura RLX | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr Sedan | |
| Difference | |||
| Wheelbase | 2,850 mm | 2,850 mm | 0 mm |
| Length | 4,773 mm | 5,032 mm | -1 mm |
| Width | 1,852 mm | 1,890 mm | 0 mm |
| Height | 1,387 mm | 1,466 mm | 0 mm |
| Curb Weight | 1,623 kg | 1,804 kg | 0 kg |
| Fuel Capacity | 59 L | 70 L | -11 L |
| Headroom, Row 1 | 965 mm | 955 mm | 10 mm |
| Shoulder Room, Row 1 | 1,400 mm | 1,514 mm | 0 mm |
| Hip Room, Row 1 | 0 mm | 1,420 mm | -1 mm |
| Legroom, Row 1 | 1,062 mm | 1,074 mm | 0 mm |
| Headroom, Row 2 | 894 mm | 937 mm | -43 mm |
| Shoulder Room, Row 2 | 1,295 mm | 1,448 mm | 0 mm |
| Hip Room, Row 2 | 0 mm | 1,384 mm | -1 mm |
| Legroom, Row 2 | 876 mm | 986 mm | -110 mm |
| Total Legroom | 1,938 mm (over 2 rows) | 2,060 mm (over 2 rows) | -1 mm |
| Cargo Volume | 340 L | 422 L | -82 L |
What Our Members Are Saying about the Seat Room and Comfort of the 2021 BMW 4-Series
None of our members have yet commented on the seat room and comfort of the 2021 BMW 4-Series.
What Our Members Are Saying about the Seat Room and Comfort of the 2018 Acura RLX
| 2018 Acura RLX Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2018 | 4dr Sedan | Everyone who sits in the back seats comments on the comfort and leg room. see full Acura RLX review |
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