The Comparative Analysis :
Audi TT Roadster 1.8 TFSI S tronic (15 - 18) vs. Mercedes SLK 55 AMG 7G-TRONIC (08 - 11)
€ 38,300
€ 70,700
€ 38,300
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 slightly bigger in every dimension. It's 2.9 inches longer, 1.5 inches wider and 3.3 inches taller than the Mercedes SLK 55 AMG.
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
53.3
72.1
77.4
50
70.6
78.9
72.1 in
Width
70.6 in
77.4 in
Width Incl. Mirrors
78.9 in
53.3 in
Height
50 in
98.6
164.4
95.7
161.5
164.4 in
Length
161.5 in
98.6 in
Wheelbase
95.7 in
Vehicle Weight
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
3075 lb
Curb Weight
3472 lb
3616 lb
Gross Vehicle
Weight
Weight
4079 lb
Weight Difference:
397 lb
11.43 %
General
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
8S
Generation
R171
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Front-wheel drive
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
7-speed automatic transmission
Engine
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
Straight-four gasoline engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
VW EA888
Engine Series
Mercedes-Benz M 113
CJSA
Engine Code
M 113.989
4
Valves
3
4
Cylinders
8
1.8 L / 88 cu in
Displacement
5.4 L / 264 cu in
178 hp
at 5100 rpm
Power
355 hp
at 5750 rpm
Audi TT Roadster 1.8 TFSI
178 hp
355 hp
Mercedes SLK 55 AMG
184 lb‑ft
at 1250 rpm
Max. Torque
376 lb‑ft
at 4000 rpm
Audi TT Roadster 1.8 TFSI
184 lb‑ft
376 lb‑ft
Mercedes SLK 55 AMG
Performance
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
147 mph
Maximum Speed
155 mph
7.3 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
331 ft
0.000 sec
Audi TT Roadster 1.8 TFSI
62 mph
62
mph
mph
223 ft
0.000 sec
Mercedes SLK 55 AMG
▶ REPLAY
17.28 lb/hp
Weight-to-Power Ratio
9.78 lb/hp
Audi TT Roadster 1.8 TFSI
17.28 lb/hp
9.78 lb/hp
Mercedes SLK 55 AMG
Fuel Economy / Emissions
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
Fuel Economy
41 mpg
combined
20 mpg
Audi TT Roadster 1.8 TFSI
41 mpg
20 mpg
Mercedes SLK 55 AMG
33 mpg
city
13 mpg
No data
highway
27 mpg
13.2 gal
Fuel Tank Capacity
18.5 gal
536 mi
Range
362 mi
Audi TT Roadster 1.8 TFSI
536 mi
362 mi
Mercedes SLK 55 AMG
Environmental Impact
109.9 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).
227.4 kWh
Audi TT Roadster 1.8 TFSI
109.9 kWh
227.4 kWh
Mercedes SLK 55 AMG
Euro 6b (NEFZ)
Emission Standard
Euro 4
212 g/mi (NEFZ)
CO2 Emissions
463 g/mi (NEFZ)
Practical Convenience
Audi TT Roadster 1.8 TFSI
Mercedes SLK 55 AMG
2
Doors
2
2
No. of Seats
2
540 lb
Maximum Payload
606 lb
7.9 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data
