The Comparative Analysis :
Mercedes SLK 350 Sportmotor 7G-TRONIC (08 - 11) vs. Audi TT RS Roadster quattro S tronic (16 - 18)
€ 50,000
€ 69,800
€ 50,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes SLK 350 Sportmotor is slightly smaller in every dimension. It's 3.3 inches shorter, 1.7 inches narrower and 1.9 inches lower than the Audi TT RS Roadster.
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
51.1
70.4
78.9
53
72.1
77.4
70.4 in
Width
72.1 in
78.9 in
Width Incl. Mirrors
77.4 in
51.1 in
Height
53 in
95.7
161.7
98.6
165
161.7 in
Length
165 in
95.7 in
Wheelbase
98.6 in
Vehicle Weight
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
3274 lb
Curb Weight
3538 lb
3968 lb
Gross Vehicle
Weight
Weight
4079 lb
Weight Difference:
265 lb
7.49 %
General
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
R171
Generation
8S
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes SLK 350 Sportmotor
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 evo
M 272.969
Engine Code
DAZA

4
Valves
4
6
Cylinders
5
3.5 L / 171 cu in
Displacement
2.5 L / 122 cu in
301 hp
at 6500 rpm
Power
395 hp
at 5850 rpm
Mercedes SLK 350 Sportmotor
301 hp
395 hp
Audi TT RS Roadster
266 lb‑ft
at 4900 rpm
Max. Torque
354 lb‑ft
at 1700 rpm
Mercedes SLK 350 Sportmotor
266 lb‑ft
354 lb‑ft
Audi TT RS Roadster
Performance
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
246 ft
0.000 sec
Mercedes SLK 350 Sportmotor
62 mph
62
mph
mph
177 ft
0.000 sec
Audi TT RS Roadster
▶ REPLAY
10.88 lb/hp
Weight-to-Power Ratio
8.96 lb/hp
Mercedes SLK 350 Sportmotor
10.88 lb/hp
8.96 lb/hp
Audi TT RS Roadster
Fuel Economy / Emissions
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
Fuel Economy
26 mpg
combined
28 mpg
Mercedes SLK 350 Sportmotor
26 mpg
28 mpg
Audi TT RS Roadster
18 mpg
city
21 mpg
34 mpg
highway
No data
18.5 gal
Fuel Tank Capacity
14.5 gal
473 mi
Range
412 mi
Mercedes SLK 350 Sportmotor
473 mi
412 mi
Audi TT RS Roadster
Environmental Impact
174.3 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).
157.2 kWh
Mercedes SLK 350 Sportmotor
174.3 kWh
157.2 kWh
Audi TT RS Roadster
Euro 4 / Euro 5
Emission Standard
Euro 6b (NEFZ)
352 g/mi (NEFZ)
CO2 Emissions
304 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 350 Sportmotor
Audi TT RS Roadster
2
Doors
2
2
No. of Seats
2
694 lb
Maximum Payload
540 lb
8.5 cu ft
Trunk Volume
7.9 cu ft








No data
Cargo Volume (Seats Down)
No data














