The Comparative Analysis :
Audi TT RS Roadster (09 - 10) vs. Mercedes SLK 280 7G-TRONIC (05 - 08)
€ 58,700

€ 43,500

€ 58,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Audi TT RS Roadster is considerably bigger in every dimension. It's 10.9 cm longer, 5.4 cm wider and 5.2 cm taller than the Mercedes SLK 280.
Audi TT RS Roadster
Mercedes SLK 280
1348
1842
1952
1296
1788
1970
1842 mm
Width
1788 mm
1952 mm
Width Incl. Mirrors
1970 mm
1348 mm
Height
1296 mm
2468
4198
2430
4089
4198 mm
Length
4089 mm
2468 mm
Wheelbase
2430 mm
Vehicle Weight
Audi TT RS Roadster
Mercedes SLK 280
1585 kg
Kerb Weight
1460 kg
1830 kg
Gross Vehicle
Weight
Weight
1755 kg

Weight Difference:
125 kg
7.89 %

General
Audi TT RS Roadster
Mercedes SLK 280
8J
Generation
R171
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
Audi TT RS Roadster
Mercedes SLK 280
Straight-five petrol engine with turbocharger
Engine Type
V6 petrol engine (naturally aspirated engine)
VW EA855
Engine Series
Mercedes-Benz M 272
CEPA
Engine Code
M 272.942

4
Valves
4
5
Cylinders
6
2480 CC
Engine Capacity
2997 CC
335 bhp
at 5400 rpm
Power
228 bhp
at 6100 rpm
Audi TT RS Roadster
335 bhp
228 bhp
Mercedes SLK 280
450 NM
at 1600 rpm
Max. Torque
300 NM
at 3500 rpm
Audi TT RS Roadster
450 NM
300 NM
Mercedes SLK 280
Performance
Audi TT RS Roadster
Mercedes SLK 280
155 mph
Maximum Speed
155 mph
4.7 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph
62
mph
mph
65 m
0.000 sec

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

Mercedes SLK 280
▶ REPLAY
4.73 kg/bhp
Weight-to-Power Ratio
6.4 kg/bhp
Audi TT RS Roadster
4.73 kg/bhp
6.4 kg/bhp
Mercedes SLK 280
Fuel Economy / Emissions
Audi TT RS Roadster
Mercedes SLK 280
Fuel Economy
30 mpg
combined
30 mpg
Audi TT RS Roadster
30 mpg
30 mpg
Mercedes SLK 280
21 mpg
city
22 mpg
No data
motorway
40 mpg
60 L
Fuel Tank Capacity
70 L
393 mi
Range
468 mi
Audi TT RS Roadster
393 mi
468 mi
Mercedes SLK 280
Environmental Impact
179.9 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).
176.2 kWh
Audi TT RS Roadster
179.9 kWh
176.2 kWh
Mercedes SLK 280
Euro 5
Emission Standard
Euro 4
221 g/km (NEFZ)
CO2 Emissions
222 g/km (NEFZ)
Practical Convenience
Audi TT RS Roadster
Mercedes SLK 280
2
Doors
2
2
No. of Seats
2
245 kg
Maximum Payload
295 kg
250 L
Boot Capacity
300 L






No data
Boot Capacity (Seats Down)
No data