The Comparative Analysis :
Mercedes SLR McLaren Coupé 722 Edition (06 - 09) vs. Porsche 911 GT3 RS (10 - 11)
€ 476,000

€ 150,200

€ 476,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 150,200
ⓘ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 SLR McLaren Coupé is 7.7 inches longer, 2.2 inches wider and 1.1 inches lower than the Porsche 911 GT3 RS.
Mercedes SLR McLaren Coupé
Porsche 911 GT3 RS
49.3
75.1
83
50.4
72.9
80.8
75.1 in
Width
72.9 in
83 in
Width Incl. Mirrors
80.8 in
49.3 in
Height
50.4 in
106.3
183.3
92.7
175.6
183.3 in
Length
175.6 in
106.3 in
Wheelbase
92.7 in
Vehicle Weight
Mercedes SLR McLaren Coupé
Porsche 911 GT3 RS
3801 lb
Curb Weight
3186 lb
4277 lb
Gross Vehicle
Weight
Weight
3704 lb

Weight Difference:
615 lb
16.18 %

General
Mercedes SLR McLaren Coupé
Porsche 911 GT3 RS
C199
Generation
997
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

5-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes SLR McLaren Coupé
Porsche 911 GT3 RS
V8 gasoline engine with compressor
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz M 155
Engine Series
M 155.980
Engine Code

3
Valves
4
8
Cylinders
6
5.4 L / 264 cu in
Displacement
3.8 L / 186 cu in
641 hp
at 6500 rpm
Power
444 hp
at 7900 rpm
Mercedes SLR McLaren Coupé
641 hp
444 hp
Porsche 911 GT3 RS
605 lb‑ft
at 4000 rpm
Max. Torque
317 lb‑ft
at 6750 rpm
Mercedes SLR McLaren Coupé
605 lb‑ft
317 lb‑ft
Porsche 911 GT3 RS
Performance
Mercedes SLR McLaren Coupé
Porsche 911 GT3 RS
209 mph
Maximum Speed
193 mph
3.6 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
164 ft
0.000 sec

Mercedes SLR McLaren Coupé
62 mph
62
mph
mph
184 ft
0.000 sec

Porsche 911 GT3 RS
▶ REPLAY
5.93 lb/hp
Weight-to-Power Ratio
7.18 lb/hp
Mercedes SLR McLaren Coupé
5.93 lb/hp
7.18 lb/hp
Porsche 911 GT3 RS
Fuel Economy / Emissions
Mercedes SLR McLaren Coupé
Porsche 911 GT3 RS
Fuel Economy
16 mpg
combined
18 mpg
Mercedes SLR McLaren Coupé
16 mpg
18 mpg
Porsche 911 GT3 RS
11 mpg
city
12 mpg
22 mpg
highway
25 mpg
25.6 gal
Fuel Tank Capacity
17.7 gal
416 mi
Range
316 mi
Mercedes SLR McLaren Coupé
416 mi
316 mi
Porsche 911 GT3 RS
Environmental Impact
274.7 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).
250.1 kWh
Mercedes SLR McLaren Coupé
274.7 kWh
250.1 kWh
Porsche 911 GT3 RS
Euro 4
Emission Standard
Euro 5
560 g/mi (NEFZ)
CO2 Emissions
505 g/mi (NEFZ)
Practical Convenience
Mercedes SLR McLaren Coupé
Porsche 911 GT3 RS
2
Doors
2
2
No. of Seats
4
476 lb
Maximum Payload
518 lb
7.7 cu ft
Trunk Volume
3 cu ft





No data
Cargo Volume (Seats Down)
No data