The Comparative Analysis :
Alfa Romeo Spider 3.2 JTS V6 24V (08 - 10) vs. BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
€ 41,300
€ 61,000
€ 41,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 61,000
ⓘ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 Alfa Romeo Spider 3.2 JTS V6 24V is 2.7 inches longer, 1.3 inches narrower and 0.6 inches taller than the BMW Z4 Roadster M40i.
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster M40i
51.9
72
80.1
51.3
73.4
79.7
72 in
Width
73.4 in
80.1 in
Width Incl. Mirrors
79.7 in
51.9 in
Height
51.3 in
99.5
173
97.2
170.2
173 in
Length
170.2 in
99.5 in
Wheelbase
97.2 in
Vehicle Weight
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster M40i
3693 lb
Curb Weight
3549 lb
4299 lb
Gross Vehicle
Weight
Weight
4101 lb
Weight Difference:
143 lb
3.87 %
General
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster M40i
Typ 939
Generation
G29
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Front-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster M40i
V6 gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Series
BMW B58
939 A.000
Engine Code
B58-B30
4
Valves
4
6
Cylinders
6
3.2 L / 157 cu in
Displacement
3 L / 147 cu in
256 hp
at 6300 rpm
Power
335 hp
at 5000 rpm
Alfa Romeo Spider 3.2 JTS V6 24V
256 hp
335 hp
BMW Z4 Roadster M40i
237 lb‑ft
at 4500 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Alfa Romeo Spider 3.2 JTS V6 24V
237 lb‑ft
369 lb‑ft
BMW Z4 Roadster M40i
Performance
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster M40i
155 mph
Maximum Speed
155 mph
7.2 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
328 ft
0.000 sec
Alfa Romeo Spider 3.2 JTS V6 24V
62 mph
62
mph
mph
207 ft
0.000 sec
BMW Z4 Roadster M40i
▶ REPLAY
14.43 lb/hp
Weight-to-Power Ratio
10.59 lb/hp
Alfa Romeo Spider 3.2 JTS V6 24V
14.43 lb/hp
10.59 lb/hp
BMW Z4 Roadster M40i
Fuel Economy / Emissions
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster M40i
Fuel Economy
21 mpg
combined
33 mpg
Alfa Romeo Spider 3.2 JTS V6 24V
21 mpg
33 mpg
BMW Z4 Roadster M40i
14 mpg
city
26 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
13.7 gal
392 mi
Range
455 mi
Alfa Romeo Spider 3.2 JTS V6 24V
392 mi
455 mi
BMW Z4 Roadster M40i
Environmental Impact
210.3 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).
134.5 kWh
Alfa Romeo Spider 3.2 JTS V6 24V
210.3 kWh
134.5 kWh
BMW Z4 Roadster M40i
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
422 g/mi (NEFZ)
CO2 Emissions
307 g/mi (WLTP)
Practical Convenience
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster M40i
2
Doors
2
2
No. of Seats
2
606 lb
Maximum Payload
551 lb
7.2 cu ft
Trunk Volume
8 cu ft
No data
Cargo Volume (Seats Down)
No data
