The Comparative Analysis :
Audi R8 Spyder 4.2 FSI quattro R-tronic (10 - 12) vs. Mercedes SL 500 7G-TRONIC PLUS (11 - 16)
€ 129,100

€ 120,000

€ 129,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 120,000
ⓘ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 Audi R8 Spyder 4.2 FSI is 7.3 inches shorter, 1.1 inches wider and 2.8 inches lower than the Mercedes SL 500.
Audi R8 Spyder 4.2 FSI
Mercedes SL 500
49
75
79.9
51.8
73.9
82.6
75 in
Width
73.9 in
79.9 in
Width Incl. Mirrors
82.6 in
49 in
Height
51.8 in
104.3
174.4
101.8
181.8
174.4 in
Length
181.8 in
104.3 in
Wheelbase
101.8 in
Vehicle Weight
Audi R8 Spyder 4.2 FSI
Mercedes SL 500
3836 lb
Curb Weight
3935 lb
4332 lb
Gross Vehicle
Weight
Weight
4773 lb

Weight Difference:
99 lb
2.52 %

General
Audi R8 Spyder 4.2 FSI
Mercedes SL 500
42
Generation
R231
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

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

6-speed automated manual transmission (AMT)
Transmission
7-speed automatic transmission
Engine
Audi R8 Spyder 4.2 FSI
Mercedes SL 500
V8 gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz M 278
CNDA
Engine Code
M 278.927

4
Valves
4
8
Cylinders
8
4.2 L / 206 cu in
Displacement
4.7 L / 230 cu in
424 hp
at 7900 rpm
Power
429 hp
at 5250 rpm
Audi R8 Spyder 4.2 FSI
424 hp
429 hp
Mercedes SL 500
317 lb‑ft
at 4500 rpm
Max. Torque
516 lb‑ft
at 1800 rpm
Audi R8 Spyder 4.2 FSI
317 lb‑ft
516 lb‑ft
Mercedes SL 500
Performance
Audi R8 Spyder 4.2 FSI
Mercedes SL 500
186 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
220 ft
0.000 sec

Audi R8 Spyder 4.2 FSI
62 mph
62
mph
mph
210 ft
0.000 sec

Mercedes SL 500
▶ REPLAY
9.05 lb/hp
Weight-to-Power Ratio
9.17 lb/hp
Audi R8 Spyder 4.2 FSI
9.05 lb/hp
9.17 lb/hp
Mercedes SL 500
Fuel Economy / Emissions
Audi R8 Spyder 4.2 FSI
Mercedes SL 500
Fuel Economy
17 mpg
combined
26 mpg
Audi R8 Spyder 4.2 FSI
17 mpg
26 mpg
Mercedes SL 500
12 mpg
city
18 mpg
No data
highway
33 mpg
21.1 gal
Fuel Tank Capacity
17.2 gal
368 mi
Range
439 mi
Audi R8 Spyder 4.2 FSI
368 mi
439 mi
Mercedes SL 500
Environmental Impact
255.7 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).
174.3 kWh
Audi R8 Spyder 4.2 FSI
255.7 kWh
174.3 kWh
Mercedes SL 500
Euro 5
Emission Standard
Euro 5 / Euro 6
507 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)
Practical Convenience
Audi R8 Spyder 4.2 FSI
Mercedes SL 500
2
Doors
2
2
No. of Seats
2
496 lb
Maximum Payload
838 lb
2.8 cu ft
Trunk Volume
14.3 cu ft






No data
Cargo Volume (Seats Down)
No data