The Comparative Analysis :
Mercedes SL 400 7G-TRONIC PLUS (14 - 16) vs. Audi R8 Spyder V8 quattro S tronic (12 - 15)
€ 97,800
€ 133,800
€ 97,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 133,800
ⓘ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 400 is 7 inches longer, 1.1 inches narrower and 2.8 inches taller than the Audi R8 Spyder V8.
Mercedes SL 400
Audi R8 Spyder V8
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
174.8
181.8 in
Length
174.8 in
101.8 in
Wheelbase
104.3 in
Vehicle Weight
Mercedes SL 400
Audi R8 Spyder V8
3814 lb
Curb Weight
3880 lb
4652 lb
Gross Vehicle
Weight
Weight
4376 lb
Weight Difference:
66 lb
1.7 %
General
Mercedes SL 400
Audi R8 Spyder V8
R231
Generation
42
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes SL 400
Audi R8 Spyder V8
V6 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine (naturally aspirated engine)
Mercedes-Benz M 276
Engine Series
M 276.825
Engine Code
DKAC
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.2 L / 206 cu in
328 hp
at 5250 rpm
Power
424 hp
at 7900 rpm
Mercedes SL 400
328 hp
424 hp
Audi R8 Spyder V8
354 lb‑ft
at 1600 rpm
Max. Torque
317 lb‑ft
at 4500 rpm
Mercedes SL 400
354 lb‑ft
317 lb‑ft
Audi R8 Spyder V8
Performance
Mercedes SL 400
Audi R8 Spyder V8
155 mph
Maximum Speed
186 mph
5.2 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
236 ft
0.000 sec
Mercedes SL 400
62 mph
62
mph
mph
207 ft
0.000 sec
Audi R8 Spyder V8
▶ REPLAY
11.63 lb/hp
Weight-to-Power Ratio
9.15 lb/hp
Mercedes SL 400
11.63 lb/hp
9.15 lb/hp
Audi R8 Spyder V8
Fuel Economy / Emissions
Mercedes SL 400
Audi R8 Spyder V8
Fuel Economy
32 mpg
combined
19 mpg
Mercedes SL 400
32 mpg
19 mpg
Audi R8 Spyder V8
24 mpg
city
12 mpg
40 mpg
highway
No data
17.2 gal
Fuel Tank Capacity
21.1 gal
553 mi
Range
395 mi
Mercedes SL 400
553 mi
395 mi
Audi R8 Spyder V8
Environmental Impact
138.2 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).
238.7 kWh
Mercedes SL 400
138.2 kWh
238.7 kWh
Audi R8 Spyder V8
Euro 6b (NEFZ)
Emission Standard
Euro 5
295 g/mi (NEFZ)
CO2 Emissions
473 g/mi (NEFZ)
Practical Convenience
Mercedes SL 400
Audi R8 Spyder V8
2
Doors
2
2
No. of Seats
2
838 lb
Maximum Payload
496 lb
14.3 cu ft
Trunk Volume
2.8 cu ft
No data
Cargo Volume (Seats Down)
No data
