Compare Mercedes SLR McLaren Roadster vs Chevrolet Corvette C7 Convertible vs Opel Astra H TwinTop
Variants
Roadster
Roadster 722 S
Grand Sport
Grand Sport AT
Stingray
Stingray AT
Z06
Z06 AT
ZR1
ZR1 AT
1.6 105
1.6 115
1.6T
1.8 125
1.8 140
1.8 140 AT
1.9 CDTI
2.0T 170
2.0T 200
Capacity
Cargo Capacity
204 L / 7.2 cu-ft
205 L / 7.2 cu-ft ~ 440 L / 15.5 cu-ft
Coolant Capacity
11.0 L / 11.6 qt
Engine Oil Capacity
8.5 L / 9.0 qt
Fuel Capacity
97.0 L / 25.6 gal
70.0 L / 18.5 gal
52.0 L / 13.7 gal
Passengers
2
2
4
Payload
230 kg / 507 lbs
470 kg / 1036 lbs
Chassis
Brakes | Front
Ventilated discs, 390 mm
Ventilated discs
Brakes | Rear
Disc
Offroad | Approach Angle
8.0 deg
Offroad | Departure Angle
16.5 deg
Power Steering
Hydraulic Steering
Electric Steering
Suspension | Front
Double-wishbone
Double-wishbone
MacPherson strut
Suspension | Rear
Double-wishbone
Double-wishbone
Semi-independent
Turning Circle
12.2 m / 40.0 ft
11.2 m / 36.7 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Ground Clearance
122 mm / 4.8 in
Size | Height
1281 mm / 50.4 in
1411 mm / 55.6 in
Size | Length
4656 mm / 183.3 in
4476 mm / 176.2 in
Size | Width
1908 mm / 75.1 in
1759 mm / 69.3 in | 2021 mm / 79.6 in (mirror unfolded) | 1831 mm / 72.1 in (mirror folded)
Track Width | Front
1488.0 mm / 58.6 in
Track Width | Rear
1569.0 mm / 61.8 in
1481.0 mm / 58.3 in
Weight
1750.0 kg / 3858.1 lbs
Wheelbase
2700 mm / 106.3 in
2614 mm / 102.9 in
Performance
CO2 Emission
348 g/km
Coefficient Of Drag
0.31
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)
Powertrain
Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Front-engine (longitudinal), Rear-wheel drive
Front-engine (transverse), Front-wheel drive
Emission Standard
Euro 4
Euro 6
Euro 4
Engine
M 155.980
Engine | Bore
97.0 mm / 3.8 in
103.2 mm / 4.1 in
Engine | Compression Ratio
9.0:1
Engine | Displacement
5.4 L / 331.9 cu-in / 5439.0 cc
6.2 L / 376.0 cu-in / 6162.0 cc
Engine | Stroke
92.0 mm / 3.6 in
92.0 mm / 3.6 in
Engine | Type
Supercharged multi-port injected petrol V8 SOHC engine with 3 values per cylinder
Transmission | Gears
5-speed
Transmission | Type
Automatic AMG SPEEDSHIFT R
Production
Availability
2006 ~ 2010
Reviews
Neofiliac score
89%
96%
29%
Pros
- Great performance and handling
- Overall good design
- Exceptionally stout drivetrain
- Superb performance
- Much improved handling
- Great chassis and suspension
- High drivetrain reliability
- Unique 7-speed manual transmission
- Cheap hardtop convertible
- True top-down driving experience
- Decent styling
Cons
- Worse performance than the coupe
- Worse styling than the coupe
- Low cargo capacity
- The Targa may be more interesting
- Slow and sluggish
- No powerful engine options
- No independent rear suspensions
- Not very comfortable
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