The Comparative Analysis :
Audi TT Roadster 45 TFSI (18 - ..) vs. Mercedes SLK 55 AMG 7G-TRONIC (08 - 11)
€ 41,800
€ 70,700
€ 41,800
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 45 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 45 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 45 TFSI
Mercedes SLK 55 AMG
3120 lb
Curb Weight
3472 lb
3737 lb
Gross Vehicle
Weight
Weight
4079 lb
Weight Difference:
353 lb
10.17 %
General
Audi TT Roadster 45 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
6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
Audi TT Roadster 45 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
DKT
Engine Code
M 113.989
4
Valves
3
4
Cylinders
8
2 L / 98 cu in
Displacement
5.4 L / 264 cu in
242 hp
at 5000 rpm
Power
355 hp
at 5750 rpm
Audi TT Roadster 45 TFSI
242 hp
355 hp
Mercedes SLK 55 AMG
273 lb‑ft
at 1600 rpm
Max. Torque
376 lb‑ft
at 4000 rpm
Audi TT Roadster 45 TFSI
273 lb‑ft
376 lb‑ft
Mercedes SLK 55 AMG
Performance
Audi TT Roadster 45 TFSI
Mercedes SLK 55 AMG
155 mph
Maximum Speed
155 mph
6.1 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
279 ft
0.000 sec
Audi TT Roadster 45 TFSI
62 mph
62
mph
mph
223 ft
0.000 sec
Mercedes SLK 55 AMG
▶ REPLAY
12.89 lb/hp
Weight-to-Power Ratio
9.78 lb/hp
Audi TT Roadster 45 TFSI
12.89 lb/hp
9.78 lb/hp
Mercedes SLK 55 AMG
Fuel Economy / Emissions
Audi TT Roadster 45 TFSI
Mercedes SLK 55 AMG
Fuel Economy
35 mpg
combined
20 mpg
Audi TT Roadster 45 TFSI
35 mpg
20 mpg
Mercedes SLK 55 AMG
27 mpg
city
13 mpg
No data
highway
27 mpg
13.2 gal
Fuel Tank Capacity
18.5 gal
464 mi
Range
362 mi
Audi TT Roadster 45 TFSI
464 mi
362 mi
Mercedes SLK 55 AMG
Environmental Impact
127 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 45 TFSI
127 kWh
227.4 kWh
Mercedes SLK 55 AMG
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4
262 g/mi (WLTP)
CO2 Emissions
463 g/mi (NEFZ)
Practical Convenience
Audi TT Roadster 45 TFSI
Mercedes SLK 55 AMG
2
Doors
2
2
No. of Seats
2
617 lb
Maximum Payload
606 lb
7.9 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data
