The Comparative Analysis :

Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18) vs. Audi R8 GT Spyder 5.2 FSI quattro R-tronic (11 - 12)

€ 240,200
Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18) Mercedes SL 65 AMG
€ 207,800
Audi R8 GT Spyder 5.2 FSI quattro R-tronic (11 - 12) Audi R8 GT Spyder 5.2 FSI
€ 240,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 207,800

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 65 AMG is 7.8 inches longer, 1.1 inches narrower and 2.2 inches taller than the Audi R8 GT Spyder 5.2 FSI.
Mercedes SL 65 AMG
Audi R8 GT Spyder 5.2 FSI
51.2
Blueprint Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18)
73.9
82.6
49
Blueprint Audi R8 GT Spyder 5.2 FSI quattro R-tronic (11 - 12)
75
79.9
73.9 in
Width
75 in
82.6 in
Width Incl. Mirrors
79.9 in
51.2 in
Height
49 in
Blueprint Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18)
101.8
182.4
Blueprint Audi R8 GT Spyder 5.2 FSI quattro R-tronic (11 - 12)
104.3
174.6
182.4 in
Length
174.6 in
101.8 in
Wheelbase
104.3 in

Vehicle Weight

Mercedes SL 65 AMG
Audi R8 GT Spyder 5.2 FSI
4299 lb
Curb Weight
3781 lb
4872 lb
Gross Vehicle
Weight
4277 lb
Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18)
Weight Difference:
518 lb
12.05 %
Audi R8 GT Spyder 5.2 FSI quattro R-tronic (11 - 12)

General

Mercedes SL 65 AMG
Audi R8 GT Spyder 5.2 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 65 AMG
Audi R8 GT Spyder 5.2 FSI
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V10 gasoline engine with two tur­bo­chargers (bi­turbo)
Mercedes-Benz M 279
Engine Series
M 279.981
Engine Code
CMPA
4
Valves
4
12
Cylinders
10
6 L / 294 cu in
Displacement
5.2 L / 254 cu in
621 hp
at 4800 rpm
Power
552 hp
at 8000 rpm
Mercedes SL 65 AMG
621 hp
552 hp
Audi R8 GT Spyder 5.2 FSI
738 lb‑ft
at 2300 rpm
Max. Torque
398 lb‑ft
at 6500 rpm
Mercedes SL 65 AMG
738 lb‑ft
398 lb‑ft
Audi R8 GT Spyder 5.2 FSI

Performance

Mercedes SL 65 AMG
Audi R8 GT Spyder 5.2 FSI
155 mph
Maximum Speed
197 mph
4 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph 62
mph

184 ft
0.000 sec

Mercedes SL 65 AMG

62 mph 62
mph

174 ft
0.000 sec

Audi R8 GT Spyder 5.2 FSI

 REPLAY
6.92 lb/hp
Weight-to-Power Ratio
6.85 lb/hp
Mercedes SL 65 AMG
6.92 lb/hp
6.85 lb/hp
Audi R8 GT Spyder 5.2 FSI

Fuel Economy / Emissions

Mercedes SL 65 AMG
Audi R8 GT Spyder 5.2 FSI
Fuel Economy
20 mpg
combined
17 mpg
Mercedes SL 65 AMG
20 mpg
17 mpg
Audi R8 GT Spyder 5.2 FSI
14 mpg
city
11 mpg
27 mpg
highway
No data
Kraftstoffanzeige
19.8 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
391 mi
Range
350 mi
Mercedes SL 65 AMG
391 mi
350 mi
Audi R8 GT Spyder 5.2 FSI
Environmental Impact
225.5 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).
269.1 kWh
Mercedes SL 65 AMG
225.5 kWh
269.1 kWh
Audi R8 GT Spyder 5.2 FSI
Euro 6b (NEFZ)
Emission Standard
Euro 5
449 g/mi (NEFZ)
CO2 Emissions
534 g/mi (NEFZ)

Practical Convenience

Mercedes SL 65 AMG
Audi R8 GT Spyder 5.2 FSI
2
Doors
2
2
No. of Seats
2
573 lb
Maximum Payload
496 lb
14.3 cu ft
Trunk Volume
2.8 cu ft
No data
Cargo Volume (Seats Down)
No data