The Comparative Analysis :

Audi TT RS plus Roadster S tronic (12 - 14) vs. Mercedes SLK 350 7G-TRONIC (04 - 08)

€ 65,900
Audi TT RS plus Roadster S tronic (12 - 14) Audi TT RS plus Roadster
€ 48,500
 Mercedes SLK 350 7G-TRONIC (04 - 08) Mercedes SLK 350
€ 65,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 48,500

ⓘ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 considerably bigger in every dimension. It's 4.3 inches longer, 2.1 inches wider and 2 inches taller than the Mercedes SLK 350.
Audi TT RS plus Roadster
Mercedes SLK 350
53.1
Blueprint Audi TT RS plus Roadster S tronic (12 - 14)
72.5
76.9
51.1
Blueprint Mercedes SLK 350 7G-TRONIC (04 - 08)
70.4
77.6
72.5 in
Width
70.4 in
76.9 in
Width Incl. Mirrors
77.6 in
53.1 in
Height
51.1 in
Blueprint Audi TT RS plus Roadster S tronic (12 - 14)
97.2
165.3
Blueprint Mercedes SLK 350 7G-TRONIC (04 - 08)
95.7
161
165.3 in
Length
161 in
97.2 in
Wheelbase
95.7 in

Vehicle Weight

Audi TT RS plus Roadster
Mercedes SLK 350
3549 lb
Curb Weight
3274 lb
4090 lb
Gross Vehicle
Weight
3924 lb
Audi TT RS plus Roadster S tronic (12 - 14)
Weight Difference:
276 lb
7.78 %
Mercedes SLK 350 7G-TRONIC (04 - 08)

General

Audi TT RS plus Roadster
Mercedes SLK 350
8J
Generation
R171
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
7-speed automatic transmission

Engine

Audi TT RS plus Roadster
Mercedes SLK 350
Straight-five gasoline engine with tur­bo­charger
Engine Type
V6 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
VW EA855
Engine Series
Mercedes-Benz M 272
CEPB
Engine Code
M 272.963
4
Valves
4
5
Cylinders
6
2.5 L / 122 cu in
Displacement
3.5 L / 171 cu in
355 hp
at 5500 rpm
Power
268 hp
at 6000 rpm
Audi TT RS plus Roadster
355 hp
268 hp
Mercedes SLK 350
343 lb‑ft
at 1650 rpm
Max. Torque
258 lb‑ft
at 3500 rpm
Audi TT RS plus Roadster
343 lb‑ft
258 lb‑ft
Mercedes SLK 350

Performance

Audi TT RS plus Roadster
Mercedes SLK 350
174 mph
Maximum Speed
155 mph
4.2 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph 62
mph

190 ft
0.000 sec

Audi TT RS plus Roadster

62 mph 62
mph

249 ft
0.000 sec

Mercedes SLK 350

▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
12.22 lb/hp
Audi TT RS plus Roadster
10 lb/hp
12.22 lb/hp
Mercedes SLK 350

Fuel Economy / Emissions

Audi TT RS plus Roadster
Mercedes SLK 350
Fuel Economy
27 mpg
combined
23 mpg
Audi TT RS plus Roadster
27 mpg
23 mpg
Mercedes SLK 350
19 mpg
city
17 mpg
No data
highway
30 mpg
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
434 mi
Range
431 mi
Audi TT RS plus Roadster
434 mi
431 mi
Mercedes SLK 350
Environmental Impact
162.9 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).
191.4 kWh
Audi TT RS plus Roadster
162.9 kWh
191.4 kWh
Mercedes SLK 350
Euro 5
Emission Standard
Euro 4
320 g/mi (NEFZ)
CO2 Emissions
389 g/mi (NEFZ)

Practical Convenience

Audi TT RS plus Roadster
Mercedes SLK 350
2
Doors
2
2
No. of Seats
2
540 lb
Maximum Payload
650 lb
7.1 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data