The Comparative Analysis :

BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) vs. Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08)

€ 43,300
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) BMW Z4 Roadster sDrive20i
€ 38,200
 Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08) Alfa Romeo Spider 2.4 JTDM 20V DPF
€ 43,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,200

ⓘ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 2.4 JTDM 20V DPF.
BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V DPF
1304
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
1864
2024
1318
Blueprint Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08)
1830
2035
1864 mm
Width
1830 mm
2024 mm
Width Incl. Mirrors
2035 mm
1304 mm
Height
1318 mm
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
2470
4324
Blueprint Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08)
2528
4393
4324 mm
Length
4393 mm
2470 mm
Wheelbase
2528 mm

Vehicle Weight

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V DPF
1495 kg
Kerb Weight
1735 kg
1740 kg
Gross Vehicle
Weight
1960 kg
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
Weight Difference:
240 kg
13.83 %
Alfa Romeo Spider 2.4 JTDM 20V DPF (07 - 08)

General

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V DPF
G29
Generation
Typ 939
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Diesel
Rear-wheel drive
Drive
Front-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V DPF
Straight-four petrol engine with tur­bo­charger
Engine Type
Straight-five diesel engine with tur­bo­charger
BMW B48
Engine Series
B48-B20
Engine Code
939 A3.000
4
Valves
4
4
Cylinders
5
1998 CC
Engine Capacity
2387 CC
194 bhp
at 4500 rpm
Power
197 bhp
at 4000 rpm
BMW Z4 Roadster sDrive20i
194 bhp
197 bhp
Alfa Romeo Spider 2.4 JTDM 20V DPF
320 NM
at 1450 rpm
Max. Torque
400 NM
at 2000 rpm
BMW Z4 Roadster sDrive20i
320 NM
400 NM
Alfa Romeo Spider 2.4 JTDM 20V DPF

Performance

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V DPF
149 mph
Maximum Speed
142 mph
6.6 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph 62
mph

92 m
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

117 m
0.000 sec

Alfa Romeo Spider 2.4 JTDM 20V DPF

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

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V DPF
Fuel Economy
46 mpg
combined
42 mpg
BMW Z4 Roadster sDrive20i
46 mpg
42 mpg
Alfa Romeo Spider 2.4 JTDM 20V DPF
39 mpg
city
31 mpg
No data
motorway
No data
Kraftstoffanzeige
52 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
529 mi
Range
639 mi
BMW Z4 Roadster sDrive20i
529 mi
639 mi
Alfa Romeo Spider 2.4 JTDM 20V DPF
Environmental Impact
115.6 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
115.6 kWh
139.9 kWh
Alfa Romeo Spider 2.4 JTDM 20V DPF
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 4
167 g/km (WLTP)
CO2 Emissions
179 g/km (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive20i
Alfa Romeo Spider 2.4 JTDM 20V DPF
2
Doors
2
2
No. of Seats
2
245 kg
Maximum Payload
225 kg
281 L
Boot Capacity
253 L
No data
Boot Capacity (Seats Down)
No data