The Comparative Analysis :
Audi TT RS Roadster (10 - 14) vs. Mercedes SLK 250 CDI 7G-TRONIC PLUS (11 - 15)
€ 59,800
![Audi TT RS Roadster (10 - 14)](graphbase/cars/cars_big_png/Audi_TT_RS_8J_Roadster.png)
€ 42,500
![Mercedes SLK 250 CDI 7G-TRONIC PLUS (11 - 15)](graphbase/cars/cars_big/Mercedes_SLK_R172.webp)
€ 59,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,500
ⓘ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 6.4 cm longer, 3.2 cm wider and 4.7 cm taller than the Mercedes SLK 250 CDI.
Audi TT RS Roadster
Mercedes SLK 250 CDI
1348
1842
1952
1301
1810
2006
1842 mm
Width
1810 mm
1952 mm
Width Incl. Mirrors
2006 mm
1348 mm
Height
1301 mm
2468
4198
2430
4134
4198 mm
Length
4134 mm
2468 mm
Wheelbase
2430 mm
Vehicle Weight
Audi TT RS Roadster
Mercedes SLK 250 CDI
1585 kg
Kerb Weight
1590 kg
1830 kg
Gross Vehicle
Weight
Weight
1905 kg
![Audi TT RS Roadster (10 - 14)](graphbase/cars/cars_big_png/Audi_TT_RS_8J_Roadster.png)
Weight Difference:
5 kg
0.31 %
![Mercedes SLK 250 CDI 7G-TRONIC PLUS (11 - 15)](graphbase/cars/cars_big_png/Mercedes_SLK_R172.png)
General
Audi TT RS Roadster
Mercedes SLK 250 CDI
8J
Generation
R172
Roadster
Car Body Style
Roadster
Unleaded (95 RON)
Fuel Type
Diesel
![](graphbase/drivetrain/AWD.png)
Permanent all-wheel drive
Drive
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
Audi TT RS Roadster
Mercedes SLK 250 CDI
Straight-five petrol engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
VW EA855
Engine Series
Mercedes-Benz OM 651
CEPA
Engine Code
OM 651.980
![](graphbase/engines/Mercedes-Benz_OM_651.png)
4
Valves
4
5
Cylinders
4
2480 CC
Engine Capacity
2143 CC
335 bhp
at 5400 rpm
Power
201 bhp
at 4200 rpm
Audi TT RS Roadster
335 bhp
201 bhp
Mercedes SLK 250 CDI
450 NM
at 1600 rpm
Max. Torque
500 NM
at 1600 rpm
Audi TT RS Roadster
450 NM
500 NM
Mercedes SLK 250 CDI
Performance
Audi TT RS Roadster
Mercedes SLK 250 CDI
155 mph
Maximum Speed
151 mph
4.6 sec
Acceleration 0 to 62 mph
6.7 sec
62 mph
62
mph
mph
64 m
0.000 sec
![](graphbase/cars/cars_small_png/Audi_TT_RS_8J_Roadster.png)
Audi TT RS Roadster
62 mph
62
mph
mph
93 m
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_SLK_R172.png)
Mercedes SLK 250 CDI
▶ REPLAY
4.73 kg/bhp
Weight-to-Power Ratio
7.91 kg/bhp
Audi TT RS Roadster
4.73 kg/bhp
7.91 kg/bhp
Mercedes SLK 250 CDI
Fuel Economy / Emissions
Audi TT RS Roadster
Mercedes SLK 250 CDI
Fuel Economy
31 mpg
combined
58 mpg
Audi TT RS Roadster
31 mpg
58 mpg
Mercedes SLK 250 CDI
22 mpg
city
46 mpg
No data
motorway
69 mpg
60 L
Fuel Tank Capacity
60 L
409 mi
Range
761 mi
Audi TT RS Roadster
409 mi
761 mi
Mercedes SLK 250 CDI
Environmental Impact
172.4 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).
100.7 kWh
Audi TT RS Roadster
172.4 kWh
100.7 kWh
Mercedes SLK 250 CDI
Euro 5
Emission Standard
Euro 5
212 g/km (NEFZ)
CO2 Emissions
128 g/km (NEFZ)
Practical Convenience
Audi TT RS Roadster
Mercedes SLK 250 CDI
2
Doors
2
2
No. of Seats
2
245 kg
Maximum Payload
315 kg
250 L
Boot Capacity
335 L
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KB.png)
No data
Boot Capacity (Seats Down)
No data