The Comparative Analysis :
Audi TT Roadster 1.8 TFSI (08 - 10) vs. Mercedes SLK 55 AMG 7G-TRONIC (08 - 11)
€ 31,100

€ 70,700

€ 31,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Audi TT Roadster 1.8 TFSI is considerably bigger in every dimension. It's 7.5 cm longer, 4.8 cm wider and 8.7 cm taller than the Mercedes SLK 55 AMG.
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
1358
1842
1952
1271
1794
2005
1842 mm
Width
1794 mm
1952 mm
Width Incl. Mirrors
2005 mm
1358 mm
Height
1271 mm
2468
4178
2430
4103
4178 mm
Length
4103 mm
2468 mm
Wheelbase
2430 mm
Vehicle Weight
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
1360 kg
Kerb Weight
1575 kg
1605 kg
Gross Vehicle
Weight
Weight
1850 kg

Weight Difference:
215 kg
13.65 %

General
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
8J
Generation
R171
Roadster
Car Body Style
Roadster
Unleaded (95 RON)
Fuel Type
Super Unleaded (98 RON)

Front-wheel drive
Drive
Rear-wheel drive

6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
Straight-four petrol engine with turbocharger
Engine Type
V8 petrol engine (naturally aspirated engine)
VW EA888
Engine Series
Mercedes-Benz M 113
CDAA
Engine Code
M 113.989


4
Valves
3
4
Cylinders
8
1798 CC
Engine Capacity
5439 CC
158 bhp
at 4500 rpm
Power
355 bhp
at 5750 rpm
Audi TT Roadster 1.8 TFSI
158 bhp
355 bhp
Mercedes SLK 55 AMG
250 NM
at 1500 rpm
Max. Torque
510 NM
at 4000 rpm
Audi TT Roadster 1.8 TFSI
250 NM
510 NM
Mercedes SLK 55 AMG
Performance
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
139 mph
Maximum Speed
155 mph
7.4 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
103 m
0.000 sec

Audi TT Roadster 1.8 TFSI
62 mph
62
mph
mph
68 m
0.000 sec

Mercedes SLK 55 AMG
▶ REPLAY
8.61 kg/bhp
Weight-to-Power Ratio
4.44 kg/bhp
Audi TT Roadster 1.8 TFSI
8.61 kg/bhp
4.44 kg/bhp
Mercedes SLK 55 AMG
Fuel Economy / Emissions
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
Fuel Economy
41 mpg
combined
24 mpg
Audi TT Roadster 1.8 TFSI
41 mpg
24 mpg
Mercedes SLK 55 AMG
31 mpg
city
16 mpg
No data
motorway
32 mpg
55 L
Fuel Tank Capacity
70 L
495 mi
Range
362 mi
Audi TT Roadster 1.8 TFSI
495 mi
362 mi
Mercedes SLK 55 AMG
Environmental Impact
130.7 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).
227.4 kWh
Audi TT Roadster 1.8 TFSI
130.7 kWh
227.4 kWh
Mercedes SLK 55 AMG
Euro 5
Emission Standard
Euro 4
159 g/km (NEFZ)
CO2 Emissions
288 g/km (NEFZ)
Practical Convenience
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
2
Doors
2
2
No. of Seats
2
245 kg
Maximum Payload
275 kg
250 L
Boot Capacity
300 L






No data
Boot Capacity (Seats Down)
No data