The Comparative Analysis :
ALPINA Roadster S (03 - 05) vs. BMW Z4 Roadster sDrive18i (13 - 16)
€ 55,000
€ 34,300
€ 55,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 34,300
ⓘ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 ALPINA Roadster S is 14.8 cm shorter, 0.9 cm narrower and 0.4 cm taller than the BMW Z4 Roadster sDrive18i.
ALPINA Roadster S
BMW Z4 Roadster sDrive18i
1295
1781
1981
1291
1790
1951
1781 mm
Width
1790 mm
1981 mm
Width Incl. Mirrors
1951 mm
1295 mm
Height
1291 mm
2495
4091
2496
4239
4091 mm
Length
4239 mm
2495 mm
Wheelbase
2496 mm
Vehicle Weight
ALPINA Roadster S
BMW Z4 Roadster sDrive18i
1320 kg
Kerb Weight
1470 kg
1620 kg
Gross Vehicle
Weight
Weight
1725 kg
Weight Difference:
150 kg
10.2 %
General
ALPINA Roadster S
BMW Z4 Roadster sDrive18i
E85
Generation
E89
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
ALPINA Roadster S
BMW Z4 Roadster sDrive18i
Straight-six petrol engine (naturally aspirated engine)
Engine Type
Straight-four petrol engine with turbocharger
Engine Series
BMW N20
E5/1
Engine Code
N20-B20
4
Valves
4
6
Cylinders
4
3346 CC
Engine Capacity
1997 CC
296 bhp
at 6300 rpm
Power
154 bhp
at 5000 rpm
ALPINA Roadster S
296 bhp
154 bhp
BMW Z4 Roadster sDrive18i
362 NM
at 4800 rpm
Max. Torque
240 NM
at 1250 rpm
ALPINA Roadster S
362 NM
240 NM
BMW Z4 Roadster sDrive18i
Performance
ALPINA Roadster S
BMW Z4 Roadster sDrive18i
165 mph
Maximum Speed
137 mph
5.3 sec
Acceleration 0 to 62 mph
7.9 sec
62 mph
62
mph
mph
74 m
0.000 sec
ALPINA Roadster S
62 mph
62
mph
mph
110 m
0.000 sec
BMW Z4 Roadster sDrive18i
▶ REPLAY
4.46 kg/bhp
Weight-to-Power Ratio
9.55 kg/bhp
ALPINA Roadster S
4.46 kg/bhp
9.55 kg/bhp
BMW Z4 Roadster sDrive18i
Fuel Economy / Emissions
ALPINA Roadster S
BMW Z4 Roadster sDrive18i
Fuel Economy
29 mpg
combined
42 mpg
ALPINA Roadster S
29 mpg
42 mpg
BMW Z4 Roadster sDrive18i
19 mpg
city
32 mpg
No data
motorway
No data
55 L
Fuel Tank Capacity
55 L
345 mi
Range
503 mi
ALPINA Roadster S
345 mi
503 mi
BMW Z4 Roadster sDrive18i
Environmental Impact
187.5 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).
128.7 kWh
ALPINA Roadster S
187.5 kWh
128.7 kWh
BMW Z4 Roadster sDrive18i
Euro 4
Emission Standard
Euro 6b (NEFZ)
238 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)
Practical Convenience
ALPINA Roadster S
BMW Z4 Roadster sDrive18i
2
Doors
2
2
No. of Seats
2
300 kg
Maximum Payload
255 kg
260 L
Boot Capacity
310 L
No data
Boot Capacity (Seats Down)
No data
