The Comparative Analysis :

BMW Z4 Roadster sDrive28i (13 - 16) vs. Mercedes SLK 55 AMG 7G-TRONIC (04 - 08)

€ 44,300
BMW Z4 Roadster sDrive28i (13 - 16) BMW Z4 Roadster sDrive28i
€ 68,100
 Mercedes SLK 55 AMG 7G-TRONIC (04 - 08) Mercedes SLK 55 AMG
€ 44,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 68,100

ⓘ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 sDrive28i is 6 inches longer, 0.2 inches narrower and 0.8 inches taller than the Mercedes SLK 55 AMG.
BMW Z4 Roadster sDrive28i
Mercedes SLK 55 AMG
50.8
Blueprint BMW Z4 Roadster sDrive28i (13 - 16)
70.5
76.8
50
Blueprint Mercedes SLK 55 AMG 7G-TRONIC (04 - 08)
70.6
77.6
70.5 in
Width
70.6 in
76.8 in
Width Incl. Mirrors
77.6 in
50.8 in
Height
50 in
Blueprint BMW Z4 Roadster sDrive28i (13 - 16)
98.3
166.9
Blueprint Mercedes SLK 55 AMG 7G-TRONIC (04 - 08)
95.7
160.9
166.9 in
Length
160.9 in
98.3 in
Wheelbase
95.7 in

Vehicle Weight

BMW Z4 Roadster sDrive28i
Mercedes SLK 55 AMG
3252 lb
Curb Weight
3395 lb
3814 lb
Gross Vehicle
Weight
4079 lb
BMW Z4 Roadster sDrive28i (13 - 16)
Weight Difference:
143 lb
4.21 %
Mercedes SLK 55 AMG 7G-TRONIC (04 - 08)

General

BMW Z4 Roadster sDrive28i
Mercedes SLK 55 AMG
E89
Generation
R171
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 sDrive28i
Mercedes SLK 55 AMG
Straight-four gasoline engine with tur­bo­charger
Engine Type
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N20
Engine Series
Mercedes-Benz M 113
N20-B20
Engine Code
M 113.989
4
Valves
3
4
Cylinders
8
2 L / 98 cu in
Displacement
5.4 L / 264 cu in
242 hp
at 5000 rpm
Power
355 hp
at 5750 rpm
BMW Z4 Roadster sDrive28i
242 hp
355 hp
Mercedes SLK 55 AMG
258 lb‑ft
at 1250 rpm
Max. Torque
376 lb‑ft
at 4000 rpm
BMW Z4 Roadster sDrive28i
258 lb‑ft
376 lb‑ft
Mercedes SLK 55 AMG

Performance

BMW Z4 Roadster sDrive28i
Mercedes SLK 55 AMG
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

259 ft
0.000 sec

BMW Z4 Roadster sDrive28i

62 mph 62
mph

223 ft
0.000 sec

Mercedes SLK 55 AMG

▶ REPLAY
13.44 lb/hp
Weight-to-Power Ratio
9.56 lb/hp
BMW Z4 Roadster sDrive28i
13.44 lb/hp
9.56 lb/hp
Mercedes SLK 55 AMG

Fuel Economy / Emissions

BMW Z4 Roadster sDrive28i
Mercedes SLK 55 AMG
Fuel Economy
35 mpg
combined
20 mpg
BMW Z4 Roadster sDrive28i
35 mpg
20 mpg
Mercedes SLK 55 AMG
26 mpg
city
13 mpg
No data
highway
27 mpg
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
503 mi
Range
362 mi
BMW Z4 Roadster sDrive28i
503 mi
362 mi
Mercedes SLK 55 AMG
Environmental Impact
128.7 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).
227.4 kWh
BMW Z4 Roadster sDrive28i
128.7 kWh
227.4 kWh
Mercedes SLK 55 AMG
Euro 6b (NEFZ)
Emission Standard
Euro 4
256 g/mi (NEFZ)
CO2 Emissions
463 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive28i
Mercedes SLK 55 AMG
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
683 lb
8.8 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data