The Comparative Analysis :

BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) vs. Mercedes SLK 350 (04 - 08)

€ 43,300
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) BMW Z4 Roadster sDrive20i
€ 46,200
 Mercedes SLK 350 (04 - 08) Mercedes SLK 350
€ 43,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,200

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW Z4 Roadster sDrive20i is considerably bigger in every dimension. It's 9.3 inches longer, 3 inches wider and 0.2 inches taller than the Mercedes SLK 350.
BMW Z4 Roadster sDrive20i
Mercedes SLK 350
51.3
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
73.4
79.7
51.1
Blueprint Mercedes SLK 350 (04 - 08)
70.4
77.6
73.4 in
Width
70.4 in
79.7 in
Width Incl. Mirrors
77.6 in
51.3 in
Height
51.1 in
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
97.2
170.2
Blueprint Mercedes SLK 350 (04 - 08)
95.7
161
170.2 in
Length
161 in
97.2 in
Wheelbase
95.7 in

Vehicle Weight

BMW Z4 Roadster sDrive20i
Mercedes SLK 350
3296 lb
Curb Weight
3230 lb
3836 lb
Gross Vehicle
Weight
3924 lb
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
Weight Difference:
66 lb
2 %
Mercedes SLK 350 (04 - 08)

General

BMW Z4 Roadster sDrive20i
Mercedes SLK 350
G29
Generation
R171
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive20i
Mercedes SLK 350
Straight-four gasoline engine with tur­bo­charger
Engine Type
V6 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW B48
Engine Series
Mercedes-Benz M 272
B48-B20
Engine Code
M 272.963
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3.5 L / 171 cu in
194 hp
at 4500 rpm
Power
268 hp
at 6000 rpm
BMW Z4 Roadster sDrive20i
194 hp
268 hp
Mercedes SLK 350
236 lb‑ft
at 1450 rpm
Max. Torque
258 lb‑ft
at 3500 rpm
BMW Z4 Roadster sDrive20i
236 lb‑ft
258 lb‑ft
Mercedes SLK 350

Performance

BMW Z4 Roadster sDrive20i
Mercedes SLK 350
149 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph 62
mph

302 ft
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

256 ft
0.000 sec

Mercedes SLK 350

▶ REPLAY
16.99 lb/hp
Weight-to-Power Ratio
12.05 lb/hp
BMW Z4 Roadster sDrive20i
16.99 lb/hp
12.05 lb/hp
Mercedes SLK 350

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Mercedes SLK 350
Fuel Economy
39 mpg
combined
22 mpg
BMW Z4 Roadster sDrive20i
39 mpg
22 mpg
Mercedes SLK 350
32 mpg
city
15 mpg
No data
highway
29 mpg
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
529 mi
Range
403 mi
BMW Z4 Roadster sDrive20i
529 mi
403 mi
Mercedes SLK 350
Environmental Impact
115.6 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).
204.5 kWh
BMW Z4 Roadster sDrive20i
115.6 kWh
204.5 kWh
Mercedes SLK 350
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 4
269 g/mi (WLTP)
CO2 Emissions
410 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive20i
Mercedes SLK 350
2
Doors
2
2
No. of Seats
2
540 lb
Maximum Payload
694 lb
8 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data