Compare Mercedes SLR McLaren Roadster vs Audi TT RS 8J Roadster vs Audi A3 (8P7) Cabriolet
Variants
Roadster
Roadster 722 S
2.5 TFSI (340 Hp)
TT RS DCT
TT RS MT
TT RS plus DCT
TT RS plus MT
1.2 TFSI
1.4 TFSI
1.6
1.6 TDI
1.8 TFSI
1.8 TFSI DCT
1.9 TDI
2.0 TDI
2.0 TDI DCT
2.0 TFSI
2.0 TFSI DCT
Capacity
Cargo Capacity
204 L / 7.2 cu-ft
250 L / 8.8 cu-ft
260 L / 9.2 cu-ft ~ 674 L / 23.8 cu-ft
Coolant Capacity
11.0 L / 11.6 qt
10.0 L / 10.6 qt
Engine Oil Capacity
8.5 L / 9.0 qt
Fuel Capacity
97.0 L / 25.6 gal
60.0 L / 15.9 gal
55.0 L / 14.5 gal
Passengers
2
2
4
Payload
230 kg / 507 lbs
320 kg / 705 lbs
500 kg / 1102 lbs
Chassis
Brakes | Front
Ventilated discs, 390 mm
Ventilated discs
Ventilated discs
Brakes | Rear
Disc
Disc
Offroad | Approach Angle
8.0 deg
Offroad | Departure Angle
16.5 deg
Power Steering
Hydraulic Steering
Electric Steering
Suspension | Front
Double-wishbone
MacPherson strut
MacPherson strut
Suspension | Rear
Double-wishbone
Multi-link
Semi-independent
Tire Size
245/40 R18
Turning Circle
12.2 m / 40.0 ft
10.7 m / 35.1 ft
10.7 m / 35.1 ft
Construction
Body Style
2-door Convertible
2-door Convertible
2-door Convertible
Dimensions
Size | Height
1281 mm / 50.4 in
1348 mm / 53.1 in
1424 mm / 56.1 in
Size | Length
4656 mm / 183.3 in
4198 mm / 165.3 in
4238 mm / 166.9 in
Size | Width
1908 mm / 75.1 in
1842 mm / 72.5 in | 1952 mm / 76.9 in (mirror unfolded)
1765 mm / 69.5 in
Track Width | Front
1555.0 mm / 61.2 in
1534.0 mm / 60.4 in
Track Width | Rear
1569.0 mm / 61.8 in
1546.0 mm / 60.9 in
1507.0 mm / 59.3 in
Weight
1750.0 kg / 3858.1 lbs
Wheel Size
9J x 18
Wheelbase
2700 mm / 106.3 in
2468 mm / 97.2 in
2578 mm / 101.5 in
Performance
CO2 Emission
348 g/km
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 (transverse), All-wheel drive
Emission Standard
Euro 4
Euro 5
Engine
M 155.980
Engine | Bore
97.0 mm / 3.8 in
82.5 mm / 3.2 in
Engine | Compression Ratio
9.0:1
10.0:1
Engine | Displacement
5.4 L / 331.9 cu-in / 5439.0 cc
2.5 L / 151.3 cu-in / 2480.0 cc
Engine | Stroke
92.0 mm / 3.6 in
92.8 mm / 3.7 in
Engine | Type
Supercharged multi-port injected petrol V8 SOHC engine with 3 values per cylinder
Turbocharged direct-injected petrol inline-5 DOHC engine with 4 values per cylinder
Transmission | Gears
5-speed
Transmission | Type
Automatic AMG SPEEDSHIFT R
Reviews
Neofiliac score
89%
74%
33%
Pros
- Great performance and handling
- Overall good design
- Exceptionally stout drivetrain
- Decent performance
- Interesting 2.5 TFSI engine
- Decent reliability
- Cheap used
Cons
- Worse performance than the coupe
- Worse styling than the coupe
- Low cargo capacity
- Stuck with MacPherson struts in the front
- Low cargo capacity
- Very ugly
- No powerful engine options
- Only available with small engines
- No independent rear suspensions
- Unreliable DCT
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