The Comparative Analysis :

Mercedes SLK 350 Sportmotor (08 - 11) vs. BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13)

€ 47,700
Mercedes SLK 350 Sportmotor (08 - 11) Mercedes SLK 350 Sportmotor
€ 46,000
 BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13) BMW Z4 Roadster sDrive28i
€ 47,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,000

ⓘ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 350 Sportmotor is 5.2 inches shorter, 0.1 inches narrower and 0.3 inches taller than the BMW Z4 Roadster sDrive28i.
Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive28i
51.1
Blueprint Mercedes SLK 350 Sportmotor (08 - 11)
70.4
78.9
50.8
Blueprint BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13)
70.5
76.8
70.4 in
Width
70.5 in
78.9 in
Width Incl. Mirrors
76.8 in
51.1 in
Height
50.8 in
Blueprint Mercedes SLK 350 Sportmotor (08 - 11)
95.7
161.7
Blueprint BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13)
98.3
166.9
161.7 in
Length
166.9 in
95.7 in
Wheelbase
98.3 in

Vehicle Weight

Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive28i
3230 lb
Curb Weight
3296 lb
3968 lb
Gross Vehicle
Weight
3858 lb
Mercedes SLK 350 Sportmotor (08 - 11)
Weight Difference:
66 lb
2 %
BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13)

General

Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive28i
R171
Generation
E89
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 sDrive28i
V6 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
Mercedes-Benz M 272
Engine Series
BMW N20
M 272.969
Engine Code
N20-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
242 hp
at 5000 rpm
Mercedes SLK 350 Sportmotor
301 hp
242 hp
BMW Z4 Roadster sDrive28i
266 lb‑ft
at 4900 rpm
Max. Torque
258 lb‑ft
at 1250 rpm
Mercedes SLK 350 Sportmotor
266 lb‑ft
258 lb‑ft
BMW Z4 Roadster sDrive28i

Performance

Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive28i
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph 62
mph

246 ft
0.000 sec

Mercedes SLK 350 Sportmotor

62 mph 62
mph

259 ft
0.000 sec

BMW Z4 Roadster sDrive28i

▶ REPLAY
10.73 lb/hp
Weight-to-Power Ratio
13.62 lb/hp
Mercedes SLK 350 Sportmotor
10.73 lb/hp
13.62 lb/hp
BMW Z4 Roadster sDrive28i

Fuel Economy / Emissions

Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive28i
Fuel Economy
25 mpg
combined
35 mpg
Mercedes SLK 350 Sportmotor
25 mpg
35 mpg
BMW Z4 Roadster sDrive28i
17 mpg
city
26 mpg
34 mpg
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
458 mi
Range
503 mi
Mercedes SLK 350 Sportmotor
458 mi
503 mi
BMW Z4 Roadster sDrive28i
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).
128.7 kWh
Mercedes SLK 350 Sportmotor
179.9 kWh
128.7 kWh
BMW Z4 Roadster sDrive28i
Euro 4 / Euro 5
Emission Standard
Euro 5
365 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)

Practical Convenience

Mercedes SLK 350 Sportmotor
BMW Z4 Roadster sDrive28i
2
Doors
2
2
No. of Seats
2
739 lb
Maximum Payload
562 lb
8.5 cu ft
Trunk Volume
8.8 cu ft
No data
Cargo Volume (Seats Down)
No data