The Comparative Analysis :
Mercedes SL 63 AMG SPEEDSHIFT MCT (12 - 15) vs. Audi R8 Spyder 4.2 FSI quattro R-tronic (10 - 12)
€ 160,600

€ 129,100

€ 160,600
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 dimensions of these vehicles differ considerably. The Mercedes SL 63 AMG is 7.3 inches longer, 1.1 inches narrower and 2.8 inches taller than the Audi R8 Spyder 4.2 FSI.
Mercedes SL 63 AMG
Audi R8 Spyder 4.2 FSI
51.8
73.9
82.6
49
75
79.9
73.9 in
Width
75 in
82.6 in
Width Incl. Mirrors
79.9 in
51.8 in
Height
49 in
101.8
181.8
104.3
174.4
181.8 in
Length
174.4 in
101.8 in
Wheelbase
104.3 in
Vehicle Weight
Mercedes SL 63 AMG
Audi R8 Spyder 4.2 FSI
4068 lb
Curb Weight
3836 lb
4806 lb
Gross Vehicle
Weight
Weight
4332 lb

Weight Difference:
231 lb
5.68 %

General
Mercedes SL 63 AMG
Audi R8 Spyder 4.2 FSI
R231
Generation
42
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

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

7-speed automatic transmission
Transmission
6-speed automated manual transmission (AMT)
Engine
Mercedes SL 63 AMG
Audi R8 Spyder 4.2 FSI
V8 gasoline engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
Mercedes-Benz M 157
Engine Series
M 157.983
Engine Code
CNDA

4
Valves
4
8
Cylinders
8
5.5 L / 269 cu in
Displacement
4.2 L / 206 cu in
530 hp
at 5500 rpm
Power
424 hp
at 7900 rpm
Mercedes SL 63 AMG
530 hp
424 hp
Audi R8 Spyder 4.2 FSI
590 lb‑ft
at 2600 rpm
Max. Torque
317 lb‑ft
at 4500 rpm
Mercedes SL 63 AMG
590 lb‑ft
317 lb‑ft
Audi R8 Spyder 4.2 FSI
Performance
Mercedes SL 63 AMG
Audi R8 Spyder 4.2 FSI
155 mph
Maximum Speed
186 mph
4.3 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
197 ft
0.000 sec

Mercedes SL 63 AMG
62 mph
62
mph
mph
220 ft
0.000 sec

Audi R8 Spyder 4.2 FSI
▶ REPLAY
7.68 lb/hp
Weight-to-Power Ratio
9.05 lb/hp
Mercedes SL 63 AMG
7.68 lb/hp
9.05 lb/hp
Audi R8 Spyder 4.2 FSI
Fuel Economy / Emissions
Mercedes SL 63 AMG
Audi R8 Spyder 4.2 FSI
Fuel Economy
24 mpg
combined
17 mpg
Mercedes SL 63 AMG
24 mpg
17 mpg
Audi R8 Spyder 4.2 FSI
17 mpg
city
12 mpg
31 mpg
highway
No data
19.8 gal
Fuel Tank Capacity
21.1 gal
471 mi
Range
368 mi
Mercedes SL 63 AMG
471 mi
368 mi
Audi R8 Spyder 4.2 FSI
Environmental Impact
187.5 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 SL 63 AMG
187.5 kWh
255.7 kWh
Audi R8 Spyder 4.2 FSI
Euro 5
Emission Standard
Euro 5
372 g/mi (NEFZ)
CO2 Emissions
507 g/mi (NEFZ)
Practical Convenience
Mercedes SL 63 AMG
Audi R8 Spyder 4.2 FSI
2
Doors
2
2
No. of Seats
2
739 lb
Maximum Payload
496 lb
14.3 cu ft
Trunk Volume
2.8 cu ft






No data
Cargo Volume (Seats Down)
No data