The Comparative Analysis :

Mercedes SLK 350 Sportmotor (08 - 11) vs. BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)

€ 47,700
Mercedes SLK 350 Sportmotor (08 - 11) Mercedes SLK 350 Sportmotor
€ 43,300
 BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) BMW Z4 Roadster sDrive20i
€ 47,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,300

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

Vehicle Dimensions

The Mercedes SLK 350 Sportmotor is considerably smaller in every dimension. It's 8.5 inches shorter, 3 inches narrower and 0.2 inches lower than the BMW Z4 Roadster sDrive20i.
Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive20i
51.1
Blueprint Mercedes SLK 350 Sportmotor (08 - 11)
70.4
78.9
51.3
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
73.4
79.7
70.4 in
Width
73.4 in
78.9 in
Width Incl. Mirrors
79.7 in
51.1 in
Height
51.3 in
Blueprint Mercedes SLK 350 Sportmotor (08 - 11)
95.7
161.7
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
97.2
170.2
161.7 in
Length
170.2 in
95.7 in
Wheelbase
97.2 in

Vehicle Weight

Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive20i
3230 lb
Curb Weight
3296 lb
3968 lb
Gross Vehicle
Weight
3836 lb
Mercedes SLK 350 Sportmotor (08 - 11)
Weight Difference:
66 lb
2 %
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)

General

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

Engine

Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive20i
V6 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
Mercedes-Benz M 272
Engine Series
BMW B48
M 272.969
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
3.5 L / 171 cu in
Displacement
2 L / 98 cu in
301 hp
at 6500 rpm
Power
194 hp
at 4500 rpm
Mercedes SLK 350 Sportmotor
301 hp
194 hp
BMW Z4 Roadster sDrive20i
266 lb‑ft
at 4900 rpm
Max. Torque
236 lb‑ft
at 1450 rpm
Mercedes SLK 350 Sportmotor
266 lb‑ft
236 lb‑ft
BMW Z4 Roadster sDrive20i

Performance

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

246 ft
0.000 sec

Mercedes SLK 350 Sportmotor

62 mph 62
mph

302 ft
0.000 sec

BMW Z4 Roadster sDrive20i

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

Fuel Economy / Emissions

Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive20i
Fuel Economy
25 mpg
combined
39 mpg
Mercedes SLK 350 Sportmotor
25 mpg
39 mpg
BMW Z4 Roadster sDrive20i
17 mpg
city
32 mpg
34 mpg
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
13.7 gal
Kraftstoffanzeige
458 mi
Range
529 mi
Mercedes SLK 350 Sportmotor
458 mi
529 mi
BMW Z4 Roadster sDrive20i
Environmental Impact
179.9 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).
115.6 kWh
Mercedes SLK 350 Sportmotor
179.9 kWh
115.6 kWh
BMW Z4 Roadster sDrive20i
Euro 4 / Euro 5
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
365 g/mi (NEFZ)
CO2 Emissions
269 g/mi (WLTP)

Practical Convenience

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