The Comparative Analysis :

Audi R8 Spyder 4.2 FSI quattro R-tronic (10 - 12) vs. Mercedes SL 400 7G-TRONIC PLUS (14 - 16)

€ 129,100
Audi R8 Spyder 4.2 FSI quattro R-tronic (10 - 12) Audi R8 Spyder 4.2 FSI
€ 97,800
 Mercedes SL 400 7G-TRONIC PLUS (14 - 16) Mercedes SL 400
€ 129,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 97,800

ⓘ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 Audi R8 Spyder 4.2 FSI is 7.3 inches shorter, 1.1 inches wider and 2.8 inches lower than the Mercedes SL 400.
Audi R8 Spyder 4.2 FSI
Mercedes SL 400
49
Blueprint Audi R8 Spyder 4.2 FSI quattro R-tronic (10 - 12)
75
79.9
51.8
Blueprint Mercedes SL 400 7G-TRONIC PLUS (14 - 16)
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
Blueprint Audi R8 Spyder 4.2 FSI quattro R-tronic (10 - 12)
104.3
174.4
Blueprint Mercedes SL 400 7G-TRONIC PLUS (14 - 16)
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 400
3836 lb
Curb Weight
3814 lb
4332 lb
Gross Vehicle
Weight
4652 lb
Audi R8 Spyder 4.2 FSI quattro R-tronic (10 - 12)
Weight Difference:
22 lb
0.57 %
Mercedes SL 400 7G-TRONIC PLUS (14 - 16)

General

Audi R8 Spyder 4.2 FSI
Mercedes SL 400
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 400
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V6 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Series
Mercedes-Benz M 276
CNDA
Engine Code
M 276.825
4
Valves
4
8
Cylinders
6
4.2 L / 206 cu in
Displacement
3 L / 147 cu in
424 hp
at 7900 rpm
Power
328 hp
at 5250 rpm
Audi R8 Spyder 4.2 FSI
424 hp
328 hp
Mercedes SL 400
317 lb‑ft
at 4500 rpm
Max. Torque
354 lb‑ft
at 1600 rpm
Audi R8 Spyder 4.2 FSI
317 lb‑ft
354 lb‑ft
Mercedes SL 400

Performance

Audi R8 Spyder 4.2 FSI
Mercedes SL 400
186 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

220 ft
0.000 sec

Audi R8 Spyder 4.2 FSI

62 mph 62
mph

236 ft
0.000 sec

Mercedes SL 400

▶ REPLAY
9.05 lb/hp
Weight-to-Power Ratio
11.63 lb/hp
Audi R8 Spyder 4.2 FSI
9.05 lb/hp
11.63 lb/hp
Mercedes SL 400

Fuel Economy / Emissions

Audi R8 Spyder 4.2 FSI
Mercedes SL 400
Fuel Economy
17 mpg
combined
32 mpg
Audi R8 Spyder 4.2 FSI
17 mpg
32 mpg
Mercedes SL 400
12 mpg
city
24 mpg
No data
highway
40 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
17.2 gal
Kraftstoffanzeige
368 mi
Range
553 mi
Audi R8 Spyder 4.2 FSI
368 mi
553 mi
Mercedes SL 400
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).
138.2 kWh
Audi R8 Spyder 4.2 FSI
255.7 kWh
138.2 kWh
Mercedes SL 400
Euro 5
Emission Standard
Euro 6b (NEFZ)
507 g/mi (NEFZ)
CO2 Emissions
295 g/mi (NEFZ)

Practical Convenience

Audi R8 Spyder 4.2 FSI
Mercedes SL 400
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