The Comparative Analysis :
Mercedes SLS AMG Roadster GT SPEEDSHIFT DCT (12 - 14) vs. Audi R8 Spyder 4.2 FSI quattro R-tronic (10 - 12)
€ 213,000

€ 129,100

€ 213,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 129,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLS AMG Roadster GT is considerably bigger in every dimension. It's 8.1 inches longer, 1.4 inches wider and 0.7 inches taller than the Audi R8 Spyder 4.2 FSI.
Mercedes SLS AMG Roadster GT
Audi R8 Spyder 4.2 FSI
49.6
76.3
90.4
49
75
79.9
76.3 in
Width
75 in
90.4 in
Width Incl. Mirrors
79.9 in
49.6 in
Height
49 in
105.5
182.6
104.3
174.4
182.6 in
Length
174.4 in
105.5 in
Wheelbase
104.3 in
Vehicle Weight
Mercedes SLS AMG Roadster GT
Audi R8 Spyder 4.2 FSI
3825 lb
Curb Weight
3836 lb
4321 lb
Gross Vehicle
Weight
Weight
4332 lb

Weight Difference:
11 lb
0.29 %

General
Mercedes SLS AMG Roadster GT
Audi R8 Spyder 4.2 FSI
R197
Generation
42
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

7-speed dual clutch transmission
Transmission
6-speed automated manual transmission (AMT)
Engine
Mercedes SLS AMG Roadster GT
Audi R8 Spyder 4.2 FSI
V8 gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine (naturally aspirated engine)
Mercedes-Benz M 159
Engine Series
M 159.980
Engine Code
CNDA

4
Valves
4
8
Cylinders
8
6.2 L / 303 cu in
Displacement
4.2 L / 206 cu in
583 hp
at 6800 rpm
Power
424 hp
at 7900 rpm
Mercedes SLS AMG Roadster GT
583 hp
424 hp
Audi R8 Spyder 4.2 FSI
479 lb‑ft
at 4750 rpm
Max. Torque
317 lb‑ft
at 4500 rpm
Mercedes SLS AMG Roadster GT
479 lb‑ft
317 lb‑ft
Audi R8 Spyder 4.2 FSI
Performance
Mercedes SLS AMG Roadster GT
Audi R8 Spyder 4.2 FSI
199 mph
Maximum Speed
186 mph
3.7 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
167 ft
0.000 sec

Mercedes SLS AMG Roadster GT
62 mph
62
mph
mph
220 ft
0.000 sec

Audi R8 Spyder 4.2 FSI
▶ REPLAY
6.56 lb/hp
Weight-to-Power Ratio
9.05 lb/hp
Mercedes SLS AMG Roadster GT
6.56 lb/hp
9.05 lb/hp
Audi R8 Spyder 4.2 FSI
Fuel Economy / Emissions
Mercedes SLS AMG Roadster GT
Audi R8 Spyder 4.2 FSI
Fuel Economy
18 mpg
combined
17 mpg
Mercedes SLS AMG Roadster GT
18 mpg
17 mpg
Audi R8 Spyder 4.2 FSI
12 mpg
city
12 mpg
25 mpg
highway
No data
22.5 gal
Fuel Tank Capacity
21.1 gal
400 mi
Range
368 mi
Mercedes SLS AMG Roadster GT
400 mi
368 mi
Audi R8 Spyder 4.2 FSI
Environmental Impact
250.1 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
255.7 kWh
Mercedes SLS AMG Roadster GT
250.1 kWh
255.7 kWh
Audi R8 Spyder 4.2 FSI
Euro 5
Emission Standard
Euro 5
496 g/mi (NEFZ)
CO2 Emissions
507 g/mi (NEFZ)
Practical Convenience
Mercedes SLS AMG Roadster GT
Audi R8 Spyder 4.2 FSI
2
Doors
2
2
No. of Seats
2
496 lb
Maximum Payload
496 lb
5 cu ft
Trunk Volume
2.8 cu ft





No data
Cargo Volume (Seats Down)
No data