The Comparative Analysis :
Audi TT RS plus Roadster (12 - 14) vs. Mercedes SLK 300 9G-TRONIC (15 - 16)
€ 63,700
€ 46,100
€ 63,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Audi TT RS plus Roadster is slightly bigger in every dimension. It's 2.5 inches longer, 1.3 inches wider and 1.9 inches taller than the Mercedes SLK 300.
Audi TT RS plus Roadster
Mercedes SLK 300
53.1
72.5
76.9
51.2
71.3
79
72.5 in
Width
71.3 in
76.9 in
Width Incl. Mirrors
79 in
53.1 in
Height
51.2 in
97.2
165.3
95.7
162.8
165.3 in
Length
162.8 in
97.2 in
Wheelbase
95.7 in
Vehicle Weight
Audi TT RS plus Roadster
Mercedes SLK 300
3494 lb
Curb Weight
3318 lb
4034 lb
Gross Vehicle
Weight
Weight
4012 lb
Weight Difference:
176 lb
5.04 %
General
Audi TT RS plus Roadster
Mercedes SLK 300
8J
Generation
R172
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
9-speed automatic transmission
Engine
Audi TT RS plus Roadster
Mercedes SLK 300
Straight-five gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
VW EA855
Engine Series
Mercedes-Benz M 274
CEPB
Engine Code
M 274.920
4
Valves
4
5
Cylinders
4
2.5 L / 122 cu in
Displacement
2 L / 98 cu in
355 hp
at 5500 rpm
Power
242 hp
at 5500 rpm
Audi TT RS plus Roadster
355 hp
242 hp
Mercedes SLK 300
343 lb‑ft
at 1650 rpm
Max. Torque
273 lb‑ft
at 1300 rpm
Audi TT RS plus Roadster
343 lb‑ft
273 lb‑ft
Mercedes SLK 300
Performance
Audi TT RS plus Roadster
Mercedes SLK 300
174 mph
Maximum Speed
151 mph
4.4 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
200 ft
0.000 sec
Audi TT RS plus Roadster
62 mph
62
mph
mph
302 ft
0.000 sec
Mercedes SLK 300
▶ REPLAY
9.84 lb/hp
Weight-to-Power Ratio
13.71 lb/hp
Audi TT RS plus Roadster
9.84 lb/hp
13.71 lb/hp
Mercedes SLK 300
Fuel Economy / Emissions
Audi TT RS plus Roadster
Mercedes SLK 300
Fuel Economy
26 mpg
combined
38 mpg
Audi TT RS plus Roadster
26 mpg
38 mpg
Mercedes SLK 300
18 mpg
city
30 mpg
No data
highway
45 mpg
15.9 gal
Fuel Tank Capacity
15.9 gal
409 mi
Range
601 mi
Audi TT RS plus Roadster
409 mi
601 mi
Mercedes SLK 300
Environmental Impact
172.4 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).
117.5 kWh
Audi TT RS plus Roadster
172.4 kWh
117.5 kWh
Mercedes SLK 300
Euro 5
Emission Standard
Euro 6b (NEFZ)
341 g/mi (NEFZ)
CO2 Emissions
232 g/mi (NEFZ)
Practical Convenience
Audi TT RS plus Roadster
Mercedes SLK 300
2
Doors
2
2
No. of Seats
2
540 lb
Maximum Payload
694 lb
7.1 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data
