The Comparative Analysis :
Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16) vs. Audi TT Roadster 1.8 TFSI S tronic (15 - 18)
€ 73,500

€ 38,300

€ 73,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLK 55 AMG is slightly smaller in every dimension. It's 1.7 inches shorter, 0.9 inches narrower and 2.1 inches lower than the Audi TT Roadster 1.8 TFSI.
Mercedes SLK 55 AMG
Audi TT Roadster 1.8 TFSI
51.2
71.3
79
53.3
72.1
77.4
71.3 in
Width
72.1 in
79 in
Width Incl. Mirrors
77.4 in
51.2 in
Height
53.3 in
95.7
162.8
98.6
164.4
162.8 in
Length
164.4 in
95.7 in
Wheelbase
98.6 in
Vehicle Weight
Mercedes SLK 55 AMG
Audi TT Roadster 1.8 TFSI
3549 lb
Curb Weight
3075 lb
4211 lb
Gross Vehicle
Weight
Weight
3616 lb

Weight Difference:
474 lb
13.35 %

General
Mercedes SLK 55 AMG
Audi TT Roadster 1.8 TFSI
R172
Generation
8S
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Front-wheel drive

7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes SLK 55 AMG
Audi TT Roadster 1.8 TFSI
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
Mercedes-Benz M 152
Engine Series
VW EA888
M 152.980
Engine Code
CJSA


4
Valves
4
8
Cylinders
4
5.5 L / 269 cu in
Displacement
1.8 L / 88 cu in
416 hp
at 6800 rpm
Power
178 hp
at 5100 rpm
Mercedes SLK 55 AMG
416 hp
178 hp
Audi TT Roadster 1.8 TFSI
398 lb‑ft
at 4500 rpm
Max. Torque
184 lb‑ft
at 1250 rpm
Mercedes SLK 55 AMG
398 lb‑ft
184 lb‑ft
Audi TT Roadster 1.8 TFSI
Performance
Mercedes SLK 55 AMG
Audi TT Roadster 1.8 TFSI
155 mph
Maximum Speed
147 mph
4.6 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
210 ft
0.000 sec

Mercedes SLK 55 AMG
62 mph
62
mph
mph
331 ft
0.000 sec

Audi TT Roadster 1.8 TFSI
▶ REPLAY
8.53 lb/hp
Weight-to-Power Ratio
17.28 lb/hp
Mercedes SLK 55 AMG
8.53 lb/hp
17.28 lb/hp
Audi TT Roadster 1.8 TFSI
Fuel Economy / Emissions
Mercedes SLK 55 AMG
Audi TT Roadster 1.8 TFSI
Fuel Economy
28 mpg
combined
41 mpg
Mercedes SLK 55 AMG
28 mpg
41 mpg
Audi TT Roadster 1.8 TFSI
20 mpg
city
33 mpg
38 mpg
highway
No data
18.5 gal
Fuel Tank Capacity
13.2 gal
518 mi
Range
536 mi
Mercedes SLK 55 AMG
518 mi
536 mi
Audi TT Roadster 1.8 TFSI
Environmental Impact
159.2 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).
109.9 kWh
Mercedes SLK 55 AMG
159.2 kWh
109.9 kWh
Audi TT Roadster 1.8 TFSI
Euro 5 / Euro 6
Emission Standard
Euro 6b (NEFZ)
314 g/mi (NEFZ)
CO2 Emissions
212 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 55 AMG
Audi TT Roadster 1.8 TFSI
2
Doors
2
2
No. of Seats
2
661 lb
Maximum Payload
540 lb
9.5 cu ft
Trunk Volume
7.9 cu ft








No data
Cargo Volume (Seats Down)
No data