The Comparative Analysis :

Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16) vs. BMW Z4 Roadster sDrive20i (19 - ..)

€ 73,500
Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16) Mercedes SLK 55 AMG
€ 41,000
 BMW Z4 Roadster sDrive20i (19 - ..) BMW Z4 Roadster sDrive20i
€ 73,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 41,000

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

Vehicle Dimensions

The Mercedes SLK 55 AMG is considerably smaller in every dimension. It's 7.5 inches shorter, 2.1 inches narrower and 0.1 inches lower than the BMW Z4 Roadster sDrive20i.
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
51.2
Blueprint Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
71.3
79
51.3
Blueprint BMW Z4 Roadster sDrive20i (19 - ..)
73.4
79.7
71.3 in
Width
73.4 in
79 in
Width Incl. Mirrors
79.7 in
51.2 in
Height
51.3 in
Blueprint Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
95.7
162.8
Blueprint BMW Z4 Roadster sDrive20i (19 - ..)
97.2
170.2
162.8 in
Length
170.2 in
95.7 in
Wheelbase
97.2 in

Vehicle Weight

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
3549 lb
Curb Weight
3263 lb
4211 lb
Gross Vehicle
Weight
3803 lb
Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
Weight Difference:
287 lb
8.09 %
BMW Z4 Roadster sDrive20i (19 - ..)

General

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
R172
Generation
G29
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
6-speed manual transmission

Engine

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
Mercedes-Benz M 152
Engine Series
BMW B48
M 152.980
Engine Code
B48-B20
4
Valves
4
8
Cylinders
4
5.5 L / 269 cu in
Displacement
2 L / 98 cu in
416 hp
at 6800 rpm
Power
194 hp
at 4500 rpm
Mercedes SLK 55 AMG
416 hp
194 hp
BMW Z4 Roadster sDrive20i
398 lb‑ft
at 4500 rpm
Max. Torque
236 lb‑ft
at 1450 rpm
Mercedes SLK 55 AMG
398 lb‑ft
236 lb‑ft
BMW Z4 Roadster sDrive20i

Performance

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
155 mph
Maximum Speed
150 mph
4.6 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph 62
mph

210 ft
0.000 sec

Mercedes SLK 55 AMG

62 mph 62
mph

308 ft
0.000 sec

BMW Z4 Roadster sDrive20i

▶ REPLAY
8.53 lb/hp
Weight-to-Power Ratio
16.82 lb/hp
Mercedes SLK 55 AMG
8.53 lb/hp
16.82 lb/hp
BMW Z4 Roadster sDrive20i

Fuel Economy / Emissions

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
Fuel Economy
28 mpg
combined
35 mpg
Mercedes SLK 55 AMG
28 mpg
35 mpg
BMW Z4 Roadster sDrive20i
20 mpg
city
26 mpg
38 mpg
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
13.7 gal
Kraftstoffanzeige
518 mi
Range
475 mi
Mercedes SLK 55 AMG
518 mi
475 mi
BMW Z4 Roadster sDrive20i
Environmental Impact
159.2 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 55 AMG
159.2 kWh
128.7 kWh
BMW Z4 Roadster sDrive20i
Euro 5 / Euro 6
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
314 g/mi (NEFZ)
CO2 Emissions
264 g/mi (WLTP)

Practical Convenience

Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
2
Doors
2
2
No. of Seats
2
661 lb
Maximum Payload
540 lb
9.5 cu ft
Trunk Volume
8 cu ft
No data
Cargo Volume (Seats Down)
No data