The Comparative Analysis :
Mercedes SLK 350 7G-TRONIC (04 - 08) vs. Audi TT RS Roadster (10 - 14)
€ 48,500
€ 59,800
€ 48,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 59,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLK 350 is considerably smaller in every dimension. It's 4.3 inches shorter, 2.1 inches narrower and 2 inches lower than the Audi TT RS Roadster.
Mercedes SLK 350
Audi TT RS Roadster
51.1
70.4
77.6
53.1
72.5
76.9
70.4 in
Width
72.5 in
77.6 in
Width Incl. Mirrors
76.9 in
51.1 in
Height
53.1 in
95.7
161
97.2
165.3
161 in
Length
165.3 in
95.7 in
Wheelbase
97.2 in
Vehicle Weight
Mercedes SLK 350
Audi TT RS Roadster
3274 lb
Curb Weight
3494 lb
3924 lb
Gross Vehicle
Weight
Weight
4034 lb
Weight Difference:
220 lb
6.3 %
General
Mercedes SLK 350
Audi TT RS Roadster
R171
Generation
8J
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes SLK 350
Audi TT RS Roadster
V6 gasoline engine (naturally aspirated engine)
Engine Type
Straight-five gasoline engine with turbocharger
Mercedes-Benz M 272
Engine Series
VW EA855
M 272.963
Engine Code
CEPA
4
Valves
4
6
Cylinders
5
3.5 L / 171 cu in
Displacement
2.5 L / 122 cu in
268 hp
at 6000 rpm
Power
335 hp
at 5400 rpm
Mercedes SLK 350
268 hp
335 hp
Audi TT RS Roadster
258 lb‑ft
at 3500 rpm
Max. Torque
332 lb‑ft
at 1600 rpm
Mercedes SLK 350
258 lb‑ft
332 lb‑ft
Audi TT RS Roadster
Performance
Mercedes SLK 350
Audi TT RS Roadster
155 mph
Maximum Speed
155 mph
5.5 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
249 ft
0.000 sec
Mercedes SLK 350
62 mph
62
mph
mph
210 ft
0.000 sec
Audi TT RS Roadster
▶ REPLAY
12.22 lb/hp
Weight-to-Power Ratio
10.43 lb/hp
Mercedes SLK 350
12.22 lb/hp
10.43 lb/hp
Audi TT RS Roadster
Fuel Economy / Emissions
Mercedes SLK 350
Audi TT RS Roadster
Fuel Economy
23 mpg
combined
26 mpg
Mercedes SLK 350
23 mpg
26 mpg
Audi TT RS Roadster
17 mpg
city
18 mpg
30 mpg
highway
No data
18.5 gal
Fuel Tank Capacity
15.9 gal
431 mi
Range
409 mi
Mercedes SLK 350
431 mi
409 mi
Audi TT RS Roadster
Environmental Impact
191.4 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).
172.4 kWh
Mercedes SLK 350
191.4 kWh
172.4 kWh
Audi TT RS Roadster
Euro 4
Emission Standard
Euro 5
389 g/mi (NEFZ)
CO2 Emissions
341 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 350
Audi TT RS Roadster
2
Doors
2
2
No. of Seats
2
650 lb
Maximum Payload
540 lb
8.5 cu ft
Trunk Volume
7.1 cu ft
No data
Cargo Volume (Seats Down)
No data
