Compare Mercedes SLR McLaren Roadster vs Mercedes S-Class Cabriolet A217 vs BMW M8 F91 Convertible
Variants
Roadster
Roadster 722 S
S 63 AMG 4MATIC
S 65 AMG
S 500
Maybach S 650
M8
M8 Competition
Capacity
Cargo Capacity
204 L / 7.2 cu-ft
350 L / 12.4 cu-ft
350 L / 12.4 cu-ft
Coolant Capacity
11.0 L / 11.6 qt
Engine Oil Capacity
8.5 L / 9.0 qt
10.0 L / 10.6 qt
Fuel Capacity
97.0 L / 25.6 gal
80.0 L / 21.1 gal
68.0 L / 18.0 gal
Passengers
2
4
4
Payload
230 kg / 507 lbs
430 kg / 948 lbs
Chassis
Brakes | Front
Ventilated discs, 390 mm
Ventilated discs
Ventilated discs
Brakes | Rear
Disc
Ventilated discs
Ventilated discs
Offroad | Approach Angle
8.0 deg
Offroad | Departure Angle
16.5 deg
Power Steering
Hydraulic Steering
Electric Steering
Electric Steering
Suspension | Front
Double-wishbone
Multi-link
Double-wishbone
Suspension | Rear
Double-wishbone
Multi-link
Multi-link
Turning Circle
12.2 m / 40.0 ft
12.2 m / 40.0 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Size | Height
1281 mm / 50.4 in
1417 mm / 55.8 in
1353 mm / 53.3 in
Size | Length
4656 mm / 183.3 in
5027 mm / 197.9 in
4867 mm / 191.6 in
Size | Width
1908 mm / 75.1 in
1907 mm / 75.1 in | 2137 mm / 84.1 in (mirror unfolded)
Track Width | Front
1625.0 mm / 64.0 in
1627.0 mm / 64.1 in
Track Width | Rear
1569.0 mm / 61.8 in
1649.0 mm / 64.9 in
1632.0 mm / 64.3 in
Weight
1750.0 kg / 3858.1 lbs
2010.0 kg / 4431.3 lbs
Wheelbase
2700 mm / 106.3 in
2945 mm / 115.9 in
2827 mm / 111.3 in
Performance
CO2 Emission
348 g/km
241 ~ 246 g/km
Coefficient Of Drag
0.32
Fuel Economy
14.5 L/100km / 16.2 MPG (combined) | 20.9 L/100km / 11.3 MPG (urban) | 10.8 L/100km / 21.8 MPG (highway)
Top Speed
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 4
Euro 6
Euro 6 d-TEMP
Engine
M 155.980
S63B44
Engine | Bore
97.0 mm / 3.8 in
89.0 mm / 3.5 in
Engine | Compression Ratio
9.0:1
10.0:1
Engine | Displacement
5.4 L / 331.9 cu-in / 5439.0 cc
4.4 L / 268.2 cu-in / 4395.0 cc
Engine | Stroke
92.0 mm / 3.6 in
88.3 mm / 3.5 in
Engine | Type
Supercharged multi-port injected petrol V8 SOHC engine with 3 values per cylinder
Twin-scroll turbocharged direct-injected petrol V8 engine with 4 values per cylinder
Transmission | Gears
5-speed
8-speed
Transmission | Type
Automatic AMG SPEEDSHIFT R
Automatic M Steptronic
Production
Availability
2019
Reviews
Neofiliac score
89%
96%
87%
Pros
- Great performance and handling
- Overall good design
- Exceptionally stout drivetrain
- Great, opulent styling
- Decent build quality
- Powerful engine lineup without tiny weasels
- Last chance to get V12 from Merc
- Rather good performance
- Powerful V8 (perhaps the last from BMW)
- Decent handling
- Luxurious interior
Cons
- Worse performance than the coupe
- Worse styling than the coupe
- Low cargo capacity
- V12 married to MBC
- S63 AMG limited to AWD
- Poor ride comfort
- Reliability concerns
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