The Comparative Analysis :
BMW Z4 Roadster sDrive20i (19 - ..) vs. Alfa Romeo Spider 1.8 TBi 16V (09 - 10)
€ 41,000
€ 32,000
€ 41,000
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 dimensions of these vehicles differ slightly. The BMW Z4 Roadster sDrive20i is 6.9 cm shorter, 3.4 cm wider and 1.4 cm lower than the Alfa Romeo Spider 1.8 TBi 16V.
BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 1.8 TBi 16V
1304
1864
2024
1318
1830
2035
1864 mm
Width
1830 mm
2024 mm
Width Incl. Mirrors
2035 mm
1304 mm
Height
1318 mm
2470
4324
2528
4393
4324 mm
Length
4393 mm
2470 mm
Wheelbase
2528 mm
Vehicle Weight
BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 1.8 TBi 16V
1480 kg
Kerb Weight
1565 kg
1725 kg
Gross Vehicle
Weight
Weight
1840 kg
Weight Difference:
85 kg
5.43 %
General
BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 1.8 TBi 16V
G29
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 sDrive20i
Alfa Romeo Spider 1.8 TBi 16V
Straight-four petrol engine with turbocharger
Engine Type
Straight-four petrol engine with turbocharger
BMW B48
Engine Series
B48-B20
Engine Code
939 B1.000
4
Valves
4
4
Cylinders
4
1998 CC
Engine Capacity
1742 CC
194 bhp
at 4500 rpm
Power
197 bhp
at 5000 rpm
BMW Z4 Roadster sDrive20i
194 bhp
197 bhp
Alfa Romeo Spider 1.8 TBi 16V
320 NM
at 1450 rpm
Max. Torque
320 NM
at 1400 rpm
BMW Z4 Roadster sDrive20i
320 NM
320 NM
Alfa Romeo Spider 1.8 TBi 16V
Performance
BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 1.8 TBi 16V
150 mph
Maximum Speed
146 mph
6.8 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
94 m
0.000 sec
BMW Z4 Roadster sDrive20i
62 mph
62
mph
mph
108 m
0.000 sec
Alfa Romeo Spider 1.8 TBi 16V
▶ REPLAY
7.63 kg/bhp
Weight-to-Power Ratio
7.94 kg/bhp
BMW Z4 Roadster sDrive20i
7.63 kg/bhp
7.94 kg/bhp
Alfa Romeo Spider 1.8 TBi 16V
Fuel Economy / Emissions
BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 1.8 TBi 16V
Fuel Economy
42 mpg
combined
34 mpg
BMW Z4 Roadster sDrive20i
42 mpg
34 mpg
Alfa Romeo Spider 1.8 TBi 16V
31 mpg
city
24 mpg
No data
motorway
No data
52 L
Fuel Tank Capacity
70 L
475 mi
Range
531 mi
BMW Z4 Roadster sDrive20i
475 mi
531 mi
Alfa Romeo Spider 1.8 TBi 16V
Environmental Impact
128.7 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 sDrive20i
128.7 kWh
155.3 kWh
Alfa Romeo Spider 1.8 TBi 16V
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
164 g/km (WLTP)
CO2 Emissions
192 g/km (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 1.8 TBi 16V
2
Doors
2
2
No. of Seats
2
245 kg
Maximum Payload
275 kg
281 L
Boot Capacity
253 L
No data
Boot Capacity (Seats Down)
No data
