Mercedes-Benz SL Mercedes-Benz SL 2018 BMW 3-Series BMW 3-Series 2018

We are 103,000+ car owners sharing real-world car information.

Join Us

Mercedes-Benz SL (2018) vs. BMW 3-Series (2018) Specs

How powerful is the engine? How much room is in the back seat? Get the 2018 Mercedes-Benz SL and 2018 BMW 3-Series specs.

2018 Mercedes-Benz SL and 2018 BMW 3-Series Specifications

Model Year 2018 2018  
Model Mercedes-Benz SL BMW 3-Series  
Engine turbocharged
5.5L V8
DOHC-4v
577 hp@5500
664 lb-ft@2000
turbocharged
3.0L I6
DOHC-4v
444 hp@7000
406 lb-ft@1850
 
Transmission 7-speed shiftable automatic 6-speed manual  
Drivetrain RWD RWD  
Body 2dr Hardtop conv. 4dr Sedan  
      Difference
Wheelbase 101.7 in 110.6 in -8.9 in
Length 182.3 in 182.5 in -0.2 in
Width 73.9 in 71.3 in 2.6 in
Height 51.2 in 56.3 in -5.1 in
Curb Weight 4112 lb. 3575 lb. 537 lb.
Fuel Capacity 19.8 gal. 15.8 gal. 4 gal.
Headroom, Row 1 39.1 in 40.3 in -1.2 in
Shoulder Room, Row 1 55.5 in 55.1 in 0.4 in
Legroom, Row 1 42.9 in 42.0 in 0.9 in
Headroom, Row 2 0.0 in 37.7 in -37.7 in
Shoulder Room, Row 2 0.0 in 55.1 in -55.1 in
Legroom, Row 2 0.0 in 35.1 in -35.1 in
Total Legroom 42.9 in (over 1 rows) 77.1 in (over 2 rows) -34.2 in
Cargo Volume, Minimum 8.5 ft3 13.0 ft3 -4.5 ft3
Cargo Volume, Maximum 13.5 ft3 13.0 ft3 0.5 ft3

Return to top

What Our Members Are Saying about the Seat Room and Comfort of the 2018 Mercedes-Benz SL

None of our members have yet commented on the seat room and comfort of the 2018 Mercedes-Benz SL.

Be the first!

What Our Members Are Saying about the Seat Room and Comfort of the 2018 BMW 3-Series

None of our members have yet commented on the seat room and comfort of the 2018 BMW 3-Series.

Be the first!

See TrueDelta's information for all Convertibles
See TrueDelta's information for all Mercedes-Benz models.