The Comparative Analysis :
Mercedes SLK 350 Sportmotor 7G-TRONIC (08 - 11) vs. Audi TT RS Roadster quattro S tronic (16 - 18)
€ 50,000
€ 69,800
€ 50,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLK 350 Sportmotor is slightly smaller in every dimension. It's 8.4 cm shorter, 4.4 cm narrower and 4.7 cm lower than the Audi TT RS Roadster.
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
1298
1788
2005
1345
1832
1966
1788 mm
Width
1832 mm
2005 mm
Width Incl. Mirrors
1966 mm
1298 mm
Height
1345 mm
2430
4107
2505
4191
4107 mm
Length
4191 mm
2430 mm
Wheelbase
2505 mm
Vehicle Weight
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
1485 kg
Kerb Weight
1605 kg
1800 kg
Gross Vehicle
Weight
Weight
1850 kg
Weight Difference:
120 kg
7.48 %
General
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
R171
Generation
8S
Roadster
Car Body Style
Roadster
Unleaded (95 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
V6 petrol engine (naturally aspirated engine)
Engine Type
Straight-five petrol engine with turbocharger
Mercedes-Benz M 272
Engine Series
VW EA855 evo
M 272.969
Engine Code
DAZA

4
Valves
4
6
Cylinders
5
3498 CC
Engine Capacity
2480 CC
301 bhp
at 6500 rpm
Power
395 bhp
at 5850 rpm
Mercedes SLK 350 Sportmotor
301 bhp
395 bhp
Audi TT RS Roadster
360 NM
at 4900 rpm
Max. Torque
480 NM
at 1700 rpm
Mercedes SLK 350 Sportmotor
360 NM
480 NM
Audi TT RS Roadster
Performance
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
75 m
0.000 sec
Mercedes SLK 350 Sportmotor
62 mph
62
mph
mph
54 m
0.000 sec
Audi TT RS Roadster
▶ REPLAY
4.93 kg/bhp
Weight-to-Power Ratio
4.06 kg/bhp
Mercedes SLK 350 Sportmotor
4.93 kg/bhp
4.06 kg/bhp
Audi TT RS Roadster
Fuel Economy / Emissions
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
Fuel Economy
31 mpg
combined
34 mpg
Mercedes SLK 350 Sportmotor
31 mpg
34 mpg
Audi TT RS Roadster
22 mpg
city
25 mpg
40 mpg
motorway
No data
70 L
Fuel Tank Capacity
55 L
473 mi
Range
412 mi
Mercedes SLK 350 Sportmotor
473 mi
412 mi
Audi TT RS Roadster
Environmental Impact
174.3 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).
157.2 kWh
Mercedes SLK 350 Sportmotor
174.3 kWh
157.2 kWh
Audi TT RS Roadster
Euro 4 / Euro 5
Emission Standard
Euro 6b (NEFZ)
219 g/km (NEFZ)
CO2 Emissions
189 g/km (NEFZ)
Practical Convenience
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
2
Doors
2
2
No. of Seats
2
315 kg
Maximum Payload
245 kg
300 L
Boot Capacity
280 L








No data
Boot Capacity (Seats Down)
No data
















