The Comparative Analysis :

BMW Z4 Roadster sDrive20i (13 - 16) vs. Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)

€ 37,300
BMW Z4 Roadster sDrive20i (13 - 16) BMW Z4 Roadster sDrive20i
€ 38,400
 Alfa Romeo Spider 2.4 JTDM 20V (08 - 10) Alfa Romeo Spider 2.4 JTDM 20V
€ 37,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,400

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW Z4 Roadster sDrive20i 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 2.4 JTDM 20V.
BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V
1291
Blueprint BMW Z4 Roadster sDrive20i (13 - 16)
1790
1951
1318
Blueprint Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)
1830
2035
1790 mm
Width
1830 mm
1951 mm
Width Incl. Mirrors
2035 mm
1291 mm
Height
1318 mm
Blueprint BMW Z4 Roadster sDrive20i (13 - 16)
2496
4239
Blueprint Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)
2528
4393
4239 mm
Length
4393 mm
2496 mm
Wheelbase
2528 mm

Vehicle Weight

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V
1470 kg
Kerb Weight
1710 kg
1725 kg
Gross Vehicle
Weight
1985 kg
BMW Z4 Roadster sDrive20i (13 - 16)
Weight Difference:
240 kg
14.04 %
Alfa Romeo Spider 2.4 JTDM 20V (08 - 10)

General

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V
E89
Generation
Typ 939
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Diesel
Rear-wheel drive
Drive
Front-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V
Straight-four petrol engine with tur­bo­charger
Engine Type
Straight-five diesel engine with tur­bo­charger
BMW N20
Engine Series
N20-B20
Engine Code
939 A3.000
4
Valves
4
4
Cylinders
5
1997 CC
Engine Capacity
2387 CC
181 bhp
at 5000 rpm
Power
206 bhp
at 4000 rpm
BMW Z4 Roadster sDrive20i
181 bhp
206 bhp
Alfa Romeo Spider 2.4 JTDM 20V
270 NM
at 1250 rpm
Max. Torque
400 NM
at 1500 rpm
BMW Z4 Roadster sDrive20i
270 NM
400 NM
Alfa Romeo Spider 2.4 JTDM 20V

Performance

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V
146 mph
Maximum Speed
144 mph
6.9 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph 62
mph

96 m
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

113 m
0.000 sec

Alfa Romeo Spider 2.4 JTDM 20V

▶ REPLAY
8.12 kg/bhp
Weight-to-Power Ratio
8.3 kg/bhp
BMW Z4 Roadster sDrive20i
8.12 kg/bhp
8.3 kg/bhp
Alfa Romeo Spider 2.4 JTDM 20V

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V
Fuel Economy
42 mpg
combined
42 mpg
BMW Z4 Roadster sDrive20i
42 mpg
42 mpg
Alfa Romeo Spider 2.4 JTDM 20V
32 mpg
city
31 mpg
No data
motorway
No data
Kraftstoffanzeige
55 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
503 mi
Range
639 mi
BMW Z4 Roadster sDrive20i
503 mi
639 mi
Alfa Romeo Spider 2.4 JTDM 20V
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).
139.9 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
139.9 kWh
Alfa Romeo Spider 2.4 JTDM 20V
Euro 6b (NEFZ)
Emission Standard
Euro 4
159 g/km (NEFZ)
CO2 Emissions
179 g/km (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V
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