The Comparative Analysis :
Mercedes SLK 55 AMG 7G-TRONIC (04 - 08) vs. Audi TT RS plus Roadster S tronic (12 - 14)
€ 68,100
€ 65,900
€ 68,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 65,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLK 55 AMG is considerably smaller in every dimension. It's 4.4 inches shorter, 1.9 inches narrower and 3 inches lower than the Audi TT RS plus Roadster.
Mercedes SLK 55 AMG
Audi TT RS plus Roadster
50
70.6
77.6
53.1
72.5
76.9
70.6 in
Width
72.5 in
77.6 in
Width Incl. Mirrors
76.9 in
50 in
Height
53.1 in
95.7
160.9
97.2
165.3
160.9 in
Length
165.3 in
95.7 in
Wheelbase
97.2 in
Vehicle Weight
Mercedes SLK 55 AMG
Audi TT RS plus Roadster
3395 lb
Curb Weight
3549 lb
4079 lb
Gross Vehicle
Weight
Weight
4090 lb
Weight Difference:
154 lb
4.34 %
General
Mercedes SLK 55 AMG
Audi TT RS plus Roadster
R171
Generation
8J
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes SLK 55 AMG
Audi TT RS plus Roadster
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-five gasoline engine with turbocharger
Mercedes-Benz M 113
Engine Series
VW EA855
M 113.989
Engine Code
CEPB
3
Valves
4
8
Cylinders
5
5.4 L / 264 cu in
Displacement
2.5 L / 122 cu in
355 hp
at 5750 rpm
Power
355 hp
at 5500 rpm
Mercedes SLK 55 AMG
355 hp
355 hp
Audi TT RS plus Roadster
376 lb‑ft
at 4000 rpm
Max. Torque
343 lb‑ft
at 1650 rpm
Mercedes SLK 55 AMG
376 lb‑ft
343 lb‑ft
Audi TT RS plus Roadster
Performance
Mercedes SLK 55 AMG
Audi TT RS plus Roadster
155 mph
Maximum Speed
174 mph
4.9 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
223 ft
0.000 sec
Mercedes SLK 55 AMG
62 mph
62
mph
mph
190 ft
0.000 sec
Audi TT RS plus Roadster
▶ REPLAY
9.56 lb/hp
Weight-to-Power Ratio
10 lb/hp
Mercedes SLK 55 AMG
9.56 lb/hp
10 lb/hp
Audi TT RS plus Roadster
Fuel Economy / Emissions
Mercedes SLK 55 AMG
Audi TT RS plus Roadster
Fuel Economy
20 mpg
combined
27 mpg
Mercedes SLK 55 AMG
20 mpg
27 mpg
Audi TT RS plus Roadster
13 mpg
city
19 mpg
27 mpg
highway
No data
18.5 gal
Fuel Tank Capacity
15.9 gal
362 mi
Range
434 mi
Mercedes SLK 55 AMG
362 mi
434 mi
Audi TT RS plus Roadster
Environmental Impact
227.4 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).
162.9 kWh
Mercedes SLK 55 AMG
227.4 kWh
162.9 kWh
Audi TT RS plus Roadster
Euro 4
Emission Standard
Euro 5
463 g/mi (NEFZ)
CO2 Emissions
320 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 55 AMG
Audi TT RS plus Roadster
2
Doors
2
2
No. of Seats
2
683 lb
Maximum Payload
540 lb
8.5 cu ft
Trunk Volume
7.1 cu ft
No data
Cargo Volume (Seats Down)
No data
