The Comparative Analysis :
Audi TT RS Roadster quattro S tronic (19 - ..) vs. Mercedes SLK 350 Sportmotor (08 - 11)
€ 70,500

€ 47,700

€ 70,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 47,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Audi TT RS Roadster is slightly bigger in every dimension. It's 9.4 cm longer, 4.4 cm wider and 4.8 cm taller than the Mercedes SLK 350 Sportmotor.
Audi TT RS Roadster
Mercedes SLK 350 Sportmotor
1346
1832
1966
1298
1788
2005
1832 mm
Width
1788 mm
1966 mm
Width Incl. Mirrors
2005 mm
1346 mm
Height
1298 mm
2505
4201
2430
4107
4201 mm
Length
4107 mm
2505 mm
Wheelbase
2430 mm
Vehicle Weight
Audi TT RS Roadster
Mercedes SLK 350 Sportmotor
1605 kg
Kerb Weight
1465 kg
1885 kg
Gross Vehicle
Weight
Weight
1800 kg

Weight Difference:
140 kg
8.72 %

General
Audi TT RS Roadster
Mercedes SLK 350 Sportmotor
8S
Generation
R171
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

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

4
Valves
4
5
Cylinders
6
2480 CC
Engine Capacity
3498 CC
395 bhp
at 5850 rpm
Power
301 bhp
at 6500 rpm
Audi TT RS Roadster
395 bhp
301 bhp
Mercedes SLK 350 Sportmotor
480 NM
at 1950 rpm
Max. Torque
360 NM
at 4900 rpm
Audi TT RS Roadster
480 NM
360 NM
Mercedes SLK 350 Sportmotor
Performance
Audi TT RS Roadster
Mercedes SLK 350 Sportmotor
155 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
54 m
0.000 sec

Audi TT RS Roadster
62 mph
62
mph
mph
75 m
0.000 sec

Mercedes SLK 350 Sportmotor
▶ REPLAY
4.06 kg/bhp
Weight-to-Power Ratio
4.87 kg/bhp
Audi TT RS Roadster
4.06 kg/bhp
4.87 kg/bhp
Mercedes SLK 350 Sportmotor
Fuel Economy / Emissions
Audi TT RS Roadster
Mercedes SLK 350 Sportmotor
Fuel Economy
35 mpg
combined
30 mpg
Audi TT RS Roadster
35 mpg
30 mpg
Mercedes SLK 350 Sportmotor
27 mpg
city
20 mpg
No data
motorway
41 mpg
55 L
Fuel Tank Capacity
70 L
428 mi
Range
458 mi
Audi TT RS Roadster
428 mi
458 mi
Mercedes SLK 350 Sportmotor
Environmental Impact
151.6 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).
179.9 kWh
Audi TT RS Roadster
151.6 kWh
179.9 kWh
Mercedes SLK 350 Sportmotor
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4 / Euro 5
213 g/km (WLTP)
CO2 Emissions
227 g/km (NEFZ)
Practical Convenience
Audi TT RS Roadster
Mercedes SLK 350 Sportmotor
2
Doors
2
2
No. of Seats
2
280 kg
Maximum Payload
335 kg
280 L
Boot Capacity
300 L








No data
Boot Capacity (Seats Down)
No data