The Comparative Analysis :
Alfa Romeo Spider 1.8 TBi 16V (09 - 10) vs. BMW Z4 Roadster sDrive28i (11 - 13)
€ 32,000
![Alfa Romeo Spider 1.8 TBi 16V (09 - 10)](graphbase/cars/cars_big_png/Alfa_Romeo_Spider.png)
€ 43,600
![BMW Z4 Roadster sDrive28i (11 - 13)](graphbase/cars/cars_big/BMW_Z4_E89.webp)
€ 32,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Alfa Romeo Spider 1.8 TBi 16V is considerably bigger in every dimension. It's 15.4 cm longer, 4 cm wider and 2.7 cm taller than the BMW Z4 Roadster sDrive28i.
Alfa Romeo Spider 1.8 TBi 16V
BMW Z4 Roadster sDrive28i
1318
1830
2035
1291
1790
1951
1830 mm
Width
1790 mm
2035 mm
Width Incl. Mirrors
1951 mm
1318 mm
Height
1291 mm
2528
4393
2496
4239
4393 mm
Length
4239 mm
2528 mm
Wheelbase
2496 mm
Vehicle Weight
Alfa Romeo Spider 1.8 TBi 16V
BMW Z4 Roadster sDrive28i
1565 kg
Kerb Weight
1475 kg
1840 kg
Gross Vehicle
Weight
Weight
1730 kg
![Alfa Romeo Spider 1.8 TBi 16V (09 - 10)](graphbase/cars/cars_big_png/Alfa_Romeo_Spider.png)
Weight Difference:
90 kg
5.75 %
![BMW Z4 Roadster sDrive28i (11 - 13)](graphbase/cars/cars_big_png/BMW_Z4_E89.png)
General
Alfa Romeo Spider 1.8 TBi 16V
BMW Z4 Roadster sDrive28i
Typ 939
Generation
E89
Roadster
Car Body Style
Roadster
Unleaded (95 RON)
Fuel Type
Super Unleaded (98 RON)
![](graphbase/drivetrain/FWD.png)
Front-wheel drive
Drive
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
Alfa Romeo Spider 1.8 TBi 16V
BMW Z4 Roadster sDrive28i
Straight-four petrol engine with turbocharger
Engine Type
Straight-four petrol engine with turbocharger
Engine Series
BMW N20
939 B1.000
Engine Code
N20-B20
![](graphbase/engines/BMW_N20.png)
4
Valves
4
4
Cylinders
4
1742 CC
Engine Capacity
1997 CC
197 bhp
at 5000 rpm
Power
242 bhp
at 5000 rpm
Alfa Romeo Spider 1.8 TBi 16V
197 bhp
242 bhp
BMW Z4 Roadster sDrive28i
320 NM
at 1400 rpm
Max. Torque
350 NM
at 1250 rpm
Alfa Romeo Spider 1.8 TBi 16V
320 NM
350 NM
BMW Z4 Roadster sDrive28i
Performance
Alfa Romeo Spider 1.8 TBi 16V
BMW Z4 Roadster sDrive28i
146 mph
Maximum Speed
155 mph
7.8 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
108 m
0.000 sec
![](graphbase/cars/cars_small_png/Alfa_Romeo_Spider.png)
Alfa Romeo Spider 1.8 TBi 16V
62 mph
62
mph
mph
79 m
0.000 sec
![](graphbase/cars/cars_small_png/BMW_Z4_E89.png)
BMW Z4 Roadster sDrive28i
▶ REPLAY
7.94 kg/bhp
Weight-to-Power Ratio
6.1 kg/bhp
Alfa Romeo Spider 1.8 TBi 16V
7.94 kg/bhp
6.1 kg/bhp
BMW Z4 Roadster sDrive28i
Fuel Economy / Emissions
Alfa Romeo Spider 1.8 TBi 16V
BMW Z4 Roadster sDrive28i
Fuel Economy
34 mpg
combined
42 mpg
Alfa Romeo Spider 1.8 TBi 16V
34 mpg
42 mpg
BMW Z4 Roadster sDrive28i
24 mpg
city
32 mpg
No data
motorway
No data
70 L
Fuel Tank Capacity
55 L
531 mi
Range
503 mi
Alfa Romeo Spider 1.8 TBi 16V
531 mi
503 mi
BMW Z4 Roadster sDrive28i
Environmental Impact
155.3 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
Alfa Romeo Spider 1.8 TBi 16V
155.3 kWh
128.7 kWh
BMW Z4 Roadster sDrive28i
Euro 5
Emission Standard
Euro 5
192 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)
Practical Convenience
Alfa Romeo Spider 1.8 TBi 16V
BMW Z4 Roadster sDrive28i
2
Doors
2
2
No. of Seats
2
275 kg
Maximum Payload
255 kg
253 L
Boot Capacity
310 L
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
No data
Boot Capacity (Seats Down)
No data