The Comparative Analysis :

Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16) vs. Audi TT RS Roadster quattro S tronic (16 - 18)

€ 73,500
Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16) Mercedes SLK 55 AMG
€ 69,800
 Audi TT RS Roadster quattro S tronic (16 - 18) Audi TT RS Roadster
€ 73,500
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 55 AMG is slightly smaller in every dimension. It's 2.2 inches shorter, 0.9 inches narrower and 1.7 inches lower than the Audi TT RS Roadster.
Mercedes SLK 55 AMG
Audi TT RS Roadster
51.2
Blueprint Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
71.3
79
53
Blueprint Audi TT RS Roadster quattro S tronic (16 - 18)
72.1
77.4
71.3 in
Width
72.1 in
79 in
Width Incl. Mirrors
77.4 in
51.2 in
Height
53 in
Blueprint Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
95.7
162.8
Blueprint Audi TT RS Roadster quattro S tronic (16 - 18)
98.6
165
162.8 in
Length
165 in
95.7 in
Wheelbase
98.6 in

Vehicle Weight

Mercedes SLK 55 AMG
Audi TT RS Roadster
3549 lb
Curb Weight
3538 lb
4211 lb
Gross Vehicle
Weight
4079 lb
Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
Weight Difference:
11 lb
0.31 %
Audi TT RS Roadster quattro S tronic (16 - 18)

General

Mercedes SLK 55 AMG
Audi TT RS Roadster
R172
Generation
8S
Roadster
Car Body Style
Roadster
Premium 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 55 AMG
Audi TT RS Roadster
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-five gasoline engine with tur­bo­charger
Mercedes-Benz M 152
Engine Series
VW EA855 evo
M 152.980
Engine Code
DAZA
4
Valves
4
8
Cylinders
5
5.5 L / 269 cu in
Displacement
2.5 L / 122 cu in
416 hp
at 6800 rpm
Power
395 hp
at 5850 rpm
Mercedes SLK 55 AMG
416 hp
395 hp
Audi TT RS Roadster
398 lb‑ft
at 4500 rpm
Max. Torque
354 lb‑ft
at 1700 rpm
Mercedes SLK 55 AMG
398 lb‑ft
354 lb‑ft
Audi TT RS Roadster

Performance

Mercedes SLK 55 AMG
Audi TT RS Roadster
155 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph 62
mph

210 ft
0.000 sec

Mercedes SLK 55 AMG

62 mph 62
mph

177 ft
0.000 sec

Audi TT RS Roadster

▶ REPLAY
8.53 lb/hp
Weight-to-Power Ratio
8.96 lb/hp
Mercedes SLK 55 AMG
8.53 lb/hp
8.96 lb/hp
Audi TT RS Roadster

Fuel Economy / Emissions

Mercedes SLK 55 AMG
Audi TT RS Roadster
Fuel Economy
28 mpg
combined
28 mpg
Mercedes SLK 55 AMG
28 mpg
28 mpg
Audi TT RS Roadster
20 mpg
city
21 mpg
38 mpg
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
518 mi
Range
412 mi
Mercedes SLK 55 AMG
518 mi
412 mi
Audi TT RS Roadster
Environmental Impact
159.2 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).
157.2 kWh
Mercedes SLK 55 AMG
159.2 kWh
157.2 kWh
Audi TT RS Roadster
Euro 5 / Euro 6
Emission Standard
Euro 6b (NEFZ)
314 g/mi (NEFZ)
CO2 Emissions
304 g/mi (NEFZ)

Practical Convenience

Mercedes SLK 55 AMG
Audi TT RS Roadster
2
Doors
2
2
No. of Seats
2
661 lb
Maximum Payload
540 lb
9.5 cu ft
Trunk Volume
7.9 cu ft
No data
Cargo Volume (Seats Down)
No data