The Comparative Analysis :

BMW Z4 Roadster sDrive23i (09 - 11) vs. Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)

€ 36,400
BMW Z4 Roadster sDrive23i (09 - 11) BMW Z4 Roadster sDrive23i
€ 73,500
 Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16) Mercedes SLK 55 AMG
€ 36,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 73,500

ⓘ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 BMW Z4 Roadster sDrive23i is 4.1 inches longer, 0.8 inches narrower and 0.4 inches lower than the Mercedes SLK 55 AMG.
BMW Z4 Roadster sDrive23i
Mercedes SLK 55 AMG
50.8
Blueprint BMW Z4 Roadster sDrive23i (09 - 11)
70.5
76.8
51.2
Blueprint Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
71.3
79
70.5 in
Width
71.3 in
76.8 in
Width Incl. Mirrors
79 in
50.8 in
Height
51.2 in
Blueprint BMW Z4 Roadster sDrive23i (09 - 11)
98.3
166.9
Blueprint Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
95.7
162.8
166.9 in
Length
162.8 in
98.3 in
Wheelbase
95.7 in

Vehicle Weight

BMW Z4 Roadster sDrive23i
Mercedes SLK 55 AMG
3263 lb
Curb Weight
3549 lb
3825 lb
Gross Vehicle
Weight
4211 lb
BMW Z4 Roadster sDrive23i (09 - 11)
Weight Difference:
287 lb
8.09 %
Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)

General

BMW Z4 Roadster sDrive23i
Mercedes SLK 55 AMG
E89
Generation
R172
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
7-speed automatic transmission

Engine

BMW Z4 Roadster sDrive23i
Mercedes SLK 55 AMG
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N52
Engine Series
Mercedes-Benz M 152
N52-B25
Engine Code
M 152.980
4
Valves
4
6
Cylinders
8
2.5 L / 122 cu in
Displacement
5.5 L / 269 cu in
201 hp
at 6300 rpm
Power
416 hp
at 6800 rpm
BMW Z4 Roadster sDrive23i
201 hp
416 hp
Mercedes SLK 55 AMG
184 lb‑ft
at 2750 rpm
Max. Torque
398 lb‑ft
at 4500 rpm
BMW Z4 Roadster sDrive23i
184 lb‑ft
398 lb‑ft
Mercedes SLK 55 AMG

Performance

BMW Z4 Roadster sDrive23i
Mercedes SLK 55 AMG
150 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

302 ft
0.000 sec

BMW Z4 Roadster sDrive23i

62 mph 62
mph

210 ft
0.000 sec

Mercedes SLK 55 AMG

▶ REPLAY
16.23 lb/hp
Weight-to-Power Ratio
8.53 lb/hp
BMW Z4 Roadster sDrive23i
16.23 lb/hp
8.53 lb/hp
Mercedes SLK 55 AMG

Fuel Economy / Emissions

BMW Z4 Roadster sDrive23i
Mercedes SLK 55 AMG
Fuel Economy
28 mpg
combined
28 mpg
BMW Z4 Roadster sDrive23i
28 mpg
28 mpg
Mercedes SLK 55 AMG
19 mpg
city
20 mpg
No data
highway
38 mpg
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
402 mi
Range
518 mi
BMW Z4 Roadster sDrive23i
402 mi
518 mi
Mercedes SLK 55 AMG
Environmental Impact
161.1 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).
159.2 kWh
BMW Z4 Roadster sDrive23i
161.1 kWh
159.2 kWh
Mercedes SLK 55 AMG
Euro 5
Emission Standard
Euro 5 / Euro 6
320 g/mi (NEFZ)
CO2 Emissions
314 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive23i
Mercedes SLK 55 AMG
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
661 lb
8.8 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data