The Comparative Analysis :
Mercedes SLC 180 (16 - 19) vs. BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
€ 35,300

€ 38,800

€ 35,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,800
ⓘ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 SLC 180 is 4.2 inches shorter, 0.8 inches wider and 0.4 inches taller than the BMW Z4 Roadster sDrive23i.
Mercedes SLC 180
BMW Z4 Roadster sDrive23i
51.2
71.3
79
50.8
70.5
76.8
71.3 in
Width
70.5 in
79 in
Width Incl. Mirrors
76.8 in
51.2 in
Height
50.8 in
95.7
162.7
98.3
166.9
162.7 in
Length
166.9 in
95.7 in
Wheelbase
98.3 in
Vehicle Weight
Mercedes SLC 180
BMW Z4 Roadster sDrive23i
3164 lb
Curb Weight
3318 lb
3858 lb
Gross Vehicle
Weight
Weight
3880 lb

Weight Difference:
154 lb
4.64 %

General
Mercedes SLC 180
BMW Z4 Roadster sDrive23i
R172
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
6-speed automatic transmission
Engine
Mercedes SLC 180
BMW Z4 Roadster sDrive23i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
Mercedes-Benz M 274
Engine Series
BMW N52
M 274.910
Engine Code
N52-B25


4
Valves
4
4
Cylinders
6
1.6 L / 78 cu in
Displacement
2.5 L / 122 cu in
154 hp
at 5300 rpm
Power
201 hp
at 6300 rpm
Mercedes SLC 180
154 hp
201 hp
BMW Z4 Roadster sDrive23i
184 lb‑ft
at 1200 rpm
Max. Torque
184 lb‑ft
at 2750 rpm
Mercedes SLC 180
184 lb‑ft
184 lb‑ft
BMW Z4 Roadster sDrive23i
Performance
Mercedes SLC 180
BMW Z4 Roadster sDrive23i
140 mph
Maximum Speed
149 mph
7.9 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
361 ft
0.000 sec

Mercedes SLC 180
62 mph
62
mph
mph
331 ft
0.000 sec

BMW Z4 Roadster sDrive23i
▶ REPLAY
20.55 lb/hp
Weight-to-Power Ratio
16.51 lb/hp
Mercedes SLC 180
20.55 lb/hp
16.51 lb/hp
BMW Z4 Roadster sDrive23i
Fuel Economy / Emissions
Mercedes SLC 180
BMW Z4 Roadster sDrive23i
Fuel Economy
42 mpg
combined
29 mpg
Mercedes SLC 180
42 mpg
29 mpg
BMW Z4 Roadster sDrive23i
32 mpg
city
20 mpg
52 mpg
highway
No data
15.9 gal
Fuel Tank Capacity
14.5 gal
665 mi
Range
417 mi
Mercedes SLC 180
665 mi
417 mi
BMW Z4 Roadster sDrive23i
Environmental Impact
106.1 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).
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).
155.3 kWh
Mercedes SLC 180
106.1 kWh
155.3 kWh
BMW Z4 Roadster sDrive23i
Euro 6
Emission Standard
Euro 5
204 g/mi (NEFZ)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
Mercedes SLC 180
BMW Z4 Roadster sDrive23i
2
Doors
2
2
No. of Seats
2
694 lb
Maximum Payload
562 lb
9.5 cu ft
Trunk Volume
8.8 cu ft








No data
Cargo Volume (Seats Down)
No data