The Comparative Analysis :
Mercedes SLR McLaren Coupé (03 - 09) vs. Audi R8 Coupé 4.2 FSI quattro R-tronic (07 - 10)
€ 452,200
€ 116,500
€ 452,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 116,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLR McLaren Coupé is considerably bigger in every dimension. It's 8.9 inches longer, 0.2 inches wider and 0.4 inches taller than the Audi R8 Coupé 4.2 FSI.
Mercedes SLR McLaren Coupé
Audi R8 Coupé 4.2 FSI
49.6
75.1
83
49.3
75
79.9
75.1 in
Width
75 in
83 in
Width Incl. Mirrors
79.9 in
49.6 in
Height
49.3 in
106.3
183.3
104.3
174.4
183.3 in
Length
174.4 in
106.3 in
Wheelbase
104.3 in
Vehicle Weight
Mercedes SLR McLaren Coupé
Audi R8 Coupé 4.2 FSI
3898 lb
Curb Weight
3616 lb
4277 lb
Gross Vehicle
Weight
Weight
4112 lb
Weight Difference:
282 lb
7.23 %
General
Mercedes SLR McLaren Coupé
Audi R8 Coupé 4.2 FSI
C199
Generation
42
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
5-speed automatic transmission
Transmission
6-speed automated manual transmission (AMT)
Engine
Mercedes SLR McLaren Coupé
Audi R8 Coupé 4.2 FSI
V8 gasoline engine with compressor
Engine Type
V8 gasoline engine (naturally aspirated engine)
Mercedes-Benz M 155
Engine Series
M 155.980
Engine Code
BYH
3
Valves
4
8
Cylinders
8
5.4 L / 264 cu in
Displacement
4.2 L / 206 cu in
617 hp
at 6500 rpm
Power
414 hp
at 7800 rpm
Mercedes SLR McLaren Coupé
617 hp
414 hp
Audi R8 Coupé 4.2 FSI
575 lb‑ft
at 3250 rpm
Max. Torque
317 lb‑ft
at 4500 rpm
Mercedes SLR McLaren Coupé
575 lb‑ft
317 lb‑ft
Audi R8 Coupé 4.2 FSI
Performance
Mercedes SLR McLaren Coupé
Audi R8 Coupé 4.2 FSI
208 mph
Maximum Speed
187 mph
3.8 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
174 ft
0.000 sec
Mercedes SLR McLaren Coupé
62 mph
62
mph
mph
210 ft
0.000 sec
Audi R8 Coupé 4.2 FSI
▶ REPLAY
6.32 lb/hp
Weight-to-Power Ratio
8.73 lb/hp
Mercedes SLR McLaren Coupé
6.32 lb/hp
8.73 lb/hp
Audi R8 Coupé 4.2 FSI
Fuel Economy / Emissions
Mercedes SLR McLaren Coupé
Audi R8 Coupé 4.2 FSI
Fuel Economy
16 mpg
combined
18 mpg
Mercedes SLR McLaren Coupé
16 mpg
18 mpg
Audi R8 Coupé 4.2 FSI
11 mpg
city
12 mpg
22 mpg
highway
No data
25.6 gal
Fuel Tank Capacity
19.8 gal
416 mi
Range
350 mi
Mercedes SLR McLaren Coupé
416 mi
350 mi
Audi R8 Coupé 4.2 FSI
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).
252 kWh
Mercedes SLR McLaren Coupé
274.7 kWh
252 kWh
Audi R8 Coupé 4.2 FSI
Euro 4
Emission Standard
Euro 4
560 g/mi (NEFZ)
CO2 Emissions
512 g/mi (NEFZ)
Practical Convenience
Mercedes SLR McLaren Coupé
Audi R8 Coupé 4.2 FSI
2
Doors
2
2
No. of Seats
2
379 lb
Maximum Payload
496 lb
7.7 cu ft
Trunk Volume
2.8 cu ft
No data
Cargo Volume (Seats Down)
No data
