The Comparative Analysis :
Audi TT Roadster 45 TFSI S tronic (18 - ..) vs. Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
€ 43,900

€ 73,500

€ 43,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 73,500
ⓘ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 1.7 inches longer, 0.9 inches wider and 2.1 inches taller than the Mercedes SLK 55 AMG.
Audi TT Roadster 45 TFSI
Mercedes SLK 55 AMG
53.3
72.1
77.4
51.2
71.3
79
72.1 in
Width
71.3 in
77.4 in
Width Incl. Mirrors
79 in
53.3 in
Height
51.2 in
98.6
164.4
95.7
162.8
164.4 in
Length
162.8 in
98.6 in
Wheelbase
95.7 in
Vehicle Weight
Audi TT Roadster 45 TFSI
Mercedes SLK 55 AMG
3197 lb
Curb Weight
3549 lb
3814 lb
Gross Vehicle
Weight
Weight
4211 lb

Weight Difference:
353 lb
9.95 %

General
Audi TT Roadster 45 TFSI
Mercedes SLK 55 AMG
8S
Generation
R172
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 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 152
DKT
Engine Code
M 152.980


4
Valves
4
4
Cylinders
8
2 L / 98 cu in
Displacement
5.5 L / 269 cu in
242 hp
at 5000 rpm
Power
416 hp
at 6800 rpm
Audi TT Roadster 45 TFSI
242 hp
416 hp
Mercedes SLK 55 AMG
273 lb‑ft
at 1600 rpm
Max. Torque
398 lb‑ft
at 4500 rpm
Audi TT Roadster 45 TFSI
273 lb‑ft
398 lb‑ft
Mercedes SLK 55 AMG
Performance
Audi TT Roadster 45 TFSI
Mercedes SLK 55 AMG
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
272 ft
0.000 sec

Audi TT Roadster 45 TFSI
62 mph
62
mph
mph
210 ft
0.000 sec

Mercedes SLK 55 AMG
▶ REPLAY
13.21 lb/hp
Weight-to-Power Ratio
8.53 lb/hp
Audi TT Roadster 45 TFSI
13.21 lb/hp
8.53 lb/hp
Mercedes SLK 55 AMG
Fuel Economy / Emissions
Audi TT Roadster 45 TFSI
Mercedes SLK 55 AMG
Fuel Economy
36 mpg
combined
28 mpg
Audi TT Roadster 45 TFSI
36 mpg
28 mpg
Mercedes SLK 55 AMG
27 mpg
city
20 mpg
No data
highway
38 mpg
13.2 gal
Fuel Tank Capacity
18.5 gal
471 mi
Range
518 mi
Audi TT Roadster 45 TFSI
471 mi
518 mi
Mercedes SLK 55 AMG
Environmental Impact
125 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).
159.2 kWh
Audi TT Roadster 45 TFSI
125 kWh
159.2 kWh
Mercedes SLK 55 AMG
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5 / Euro 6
267 g/mi (WLTP)
CO2 Emissions
314 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
661 lb
7.9 cu ft
Trunk Volume
9.5 cu ft








No data
Cargo Volume (Seats Down)
No data