The Comparative Analysis :
BMW Z4 Roadster sDrive30i (09 - 11) vs. Alfa Romeo Spider 1.8 TBi 16V (09 - 10)
€ 43,400
€ 32,000
€ 43,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 32,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW Z4 Roadster sDrive30i is considerably smaller in every dimension. It's 15.4 cm shorter, 4 cm narrower and 2.7 cm lower than the Alfa Romeo Spider 1.8 TBi 16V.
BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 1.8 TBi 16V
1291
1790
1951
1318
1830
2035
1790 mm
Width
1830 mm
1951 mm
Width Incl. Mirrors
2035 mm
1291 mm
Height
1318 mm
2496
4239
2528
4393
4239 mm
Length
4393 mm
2496 mm
Wheelbase
2528 mm
Vehicle Weight
BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 1.8 TBi 16V
1490 kg
Kerb Weight
1565 kg
1745 kg
Gross Vehicle
Weight
Weight
1840 kg
Weight Difference:
75 kg
4.79 %
General
BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 1.8 TBi 16V
E89
Generation
Typ 939
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)
Rear-wheel drive
Drive
Front-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 1.8 TBi 16V
Straight-six petrol engine (naturally aspirated engine)
Engine Type
Straight-four petrol engine with turbocharger
BMW N52
Engine Series
N52-B30
Engine Code
939 B1.000
4
Valves
4
6
Cylinders
4
2996 CC
Engine Capacity
1742 CC
254 bhp
at 6600 rpm
Power
197 bhp
at 5000 rpm
BMW Z4 Roadster sDrive30i
254 bhp
197 bhp
Alfa Romeo Spider 1.8 TBi 16V
310 NM
at 2600 rpm
Max. Torque
320 NM
at 1400 rpm
BMW Z4 Roadster sDrive30i
310 NM
320 NM
Alfa Romeo Spider 1.8 TBi 16V
Performance
BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 1.8 TBi 16V
155 mph
Maximum Speed
146 mph
5.8 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
81 m
0.000 sec
BMW Z4 Roadster sDrive30i
62 mph
62
mph
mph
108 m
0.000 sec
Alfa Romeo Spider 1.8 TBi 16V
▶ REPLAY
5.87 kg/bhp
Weight-to-Power Ratio
7.94 kg/bhp
BMW Z4 Roadster sDrive30i
5.87 kg/bhp
7.94 kg/bhp
Alfa Romeo Spider 1.8 TBi 16V
Fuel Economy / Emissions
BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 1.8 TBi 16V
Fuel Economy
33 mpg
combined
34 mpg
BMW Z4 Roadster sDrive30i
33 mpg
34 mpg
Alfa Romeo Spider 1.8 TBi 16V
23 mpg
city
24 mpg
No data
motorway
No data
55 L
Fuel Tank Capacity
70 L
402 mi
Range
531 mi
BMW Z4 Roadster sDrive30i
402 mi
531 mi
Alfa Romeo Spider 1.8 TBi 16V
Environmental Impact
161.1 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
BMW Z4 Roadster sDrive30i
161.1 kWh
155.3 kWh
Alfa Romeo Spider 1.8 TBi 16V
Euro 5
Emission Standard
Euro 5
199 g/km (NEFZ)
CO2 Emissions
192 g/km (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive30i
Alfa Romeo Spider 1.8 TBi 16V
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
275 kg
310 L
Boot Capacity
253 L
No data
Boot Capacity (Seats Down)
No data
