The Comparative Analysis :
Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16) vs. BMW Z4 Roadster sDrive30i (09 - 11)
€ 73,500

€ 43,400

€ 73,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Mercedes SLK 55 AMG is 4.1 inches shorter, 0.8 inches wider and 0.4 inches taller than the BMW Z4 Roadster sDrive30i.
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive30i
51.2
71.3
79
50.8
70.5
76.8
71.3 in
Width
70.5 in
79 in
Width Incl. Mirrors
76.8 in
51.2 in
Height
50.8 in
95.7
162.8
98.3
166.9
162.8 in
Length
166.9 in
95.7 in
Wheelbase
98.3 in
Vehicle Weight
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive30i
3549 lb
Curb Weight
3285 lb
4211 lb
Gross Vehicle
Weight
Weight
3847 lb

Weight Difference:
265 lb
7.47 %

General
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive30i
R172
Generation
E89
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive30i
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
Mercedes-Benz M 152
Engine Series
BMW N52
M 152.980
Engine Code
N52-B30


4
Valves
4
8
Cylinders
6
5.5 L / 269 cu in
Displacement
3 L / 147 cu in
416 hp
at 6800 rpm
Power
254 hp
at 6600 rpm
Mercedes SLK 55 AMG
416 hp
254 hp
BMW Z4 Roadster sDrive30i
398 lb‑ft
at 4500 rpm
Max. Torque
229 lb‑ft
at 2600 rpm
Mercedes SLK 55 AMG
398 lb‑ft
229 lb‑ft
BMW Z4 Roadster sDrive30i
Performance
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive30i
155 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph
62
mph
mph
210 ft
0.000 sec

Mercedes SLK 55 AMG
62 mph
62
mph
mph
266 ft
0.000 sec

BMW Z4 Roadster sDrive30i
▶ REPLAY
8.53 lb/hp
Weight-to-Power Ratio
12.93 lb/hp
Mercedes SLK 55 AMG
8.53 lb/hp
12.93 lb/hp
BMW Z4 Roadster sDrive30i
Fuel Economy / Emissions
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive30i
Fuel Economy
28 mpg
combined
28 mpg
Mercedes SLK 55 AMG
28 mpg
28 mpg
BMW Z4 Roadster sDrive30i
20 mpg
city
19 mpg
38 mpg
highway
No data
18.5 gal
Fuel Tank Capacity
14.5 gal
518 mi
Range
402 mi
Mercedes SLK 55 AMG
518 mi
402 mi
BMW Z4 Roadster sDrive30i
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).
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).
161.1 kWh
Mercedes SLK 55 AMG
159.2 kWh
161.1 kWh
BMW Z4 Roadster sDrive30i
Euro 5 / Euro 6
Emission Standard
Euro 5
314 g/mi (NEFZ)
CO2 Emissions
320 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive30i
2
Doors
2
2
No. of Seats
2
661 lb
Maximum Payload
562 lb
9.5 cu ft
Trunk Volume
8.8 cu ft








No data
Cargo Volume (Seats Down)
No data