Compare Mercedes SL R231 facelift vs BMW M8 F91 Convertible vs BMW 6 Series F12 LCI Convertible
Variants
SL 63 AMG Euro6d
SL 63 AMG
SL 65 AMG
SL 400 Euro6d
SL 400
SL 500 Euro6d
SL 500
M8
M8 Competition
640d
640d xDrive
640i
640i xDrive
650i
650i xDrive
Capacity
Cargo Capacity
350 L / 12.4 cu-ft
300 L / 10.6 cu-ft ~ 350 L / 12.4 cu-ft
Engine Oil Capacity
10.0 L / 10.6 qt
Fuel Capacity
68.0 L / 18.0 gal
70.0 L / 18.5 gal
Passengers
2
4
4
Payload
430 kg / 948 lbs
Chassis
Brakes | Front
Ventilated discs
Disc
Brakes | Rear
Ventilated discs
Disc
Power Steering
Electric Steering
Electric Steering
Electric Steering
Suspension | Front
Multi-link
Double-wishbone
Double-wishbone
Suspension | Rear
Multi-link
Multi-link
Multi-link
Turning Circle
12.2 m / 40.0 ft
11.7 m / 38.4 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Ground Clearance
123 mm / 4.8 in
Size | Height
1353 mm / 53.3 in
1365 mm / 53.7 in
Size | Length
4867 mm / 191.6 in
4894 mm / 192.7 in
Size | Width
1877 mm / 73.9 in | 2099 mm / 82.6 in (mirror unfolded)
1907 mm / 75.1 in | 2137 mm / 84.1 in (mirror unfolded)
1894 mm / 74.6 in
Track Width | Front
1600.0 mm / 63.0 in
1627.0 mm / 64.1 in
1600.0 mm / 63.0 in
Track Width | Rear
1604.0 mm / 63.1 in
1632.0 mm / 64.3 in
1665.0 mm / 65.6 in
Weight
2010.0 kg / 4431.3 lbs
Wheelbase
2585 mm / 101.8 in
2827 mm / 111.3 in
2855 mm / 112.4 in
Performance
Braking | 200 km/h - 0
143.9 m / 472.0 ft
CO2 Emission
241 ~ 246 g/km
Top Speed
250.0 km/h / 155.3 mph
250.0 km/h / 155.3 mph
250.0 km/h / 155.3 mph
Powertrain
Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), All-wheel drive
Emission Standard
Euro 6 d-TEMP
Euro 6
Engine
S63B44
Engine | Bore
89.0 mm / 3.5 in
Engine | Compression Ratio
10.0:1
Engine | Displacement
4.4 L / 268.2 cu-in / 4395.0 cc
Engine | Stroke
88.3 mm / 3.5 in
Engine | Type
Twin-scroll turbocharged direct-injected petrol V8 engine with 4 values per cylinder
Transmission | Gears
8-speed
8-speed
Transmission | Type
Automatic M Steptronic
Automatic Steptronic
Production
Availability
2019
2015 ~ 2018
Reviews
Neofiliac score
96%
87%
80%
Pros
- Last chance to get V12 in a hardtop Mercedes
- Still possible to get the M278 and M157 powered V8s
- New 9G-Tronic automatic
- Rather good performance
- Powerful V8 (perhaps the last from BMW)
- Decent handling
- Luxurious interior
- Slightly improved engine reliability through updates
- Good ZF 8HP transmission
- Good looks
- Good 0.28 drag coefficient
- Double-wishbone + multi-link suspension setup
Cons
- More generic styling
- Euro 6d-related reliability issues
- Poor ride comfort
- Reliability concerns
- Unreliable diesel and V8
- AWD nonsense
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