The Comparative Analysis :
Alfa Romeo Spider 3.2 JTS V6 24V Q4 Q-Tronic (06 - 10) vs. BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
€ 45,700
€ 43,300
€ 45,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,300
ⓘ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 sDrive20i.
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster sDrive20i
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 sDrive20i
3880 lb
Curb Weight
3296 lb
4486 lb
Gross Vehicle
Weight
Weight
3836 lb
Weight Difference:
584 lb
15.05 %
General
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster sDrive20i
Typ 939
Generation
G29
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster sDrive20i
V6 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
Engine Series
BMW B48
939 A.000
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
3.2 L / 157 cu in
Displacement
2 L / 98 cu in
256 hp
at 6300 rpm
Power
194 hp
at 4500 rpm
Alfa Romeo Spider 3.2 JTS V6 24V
256 hp
194 hp
BMW Z4 Roadster sDrive20i
237 lb‑ft
at 4500 rpm
Max. Torque
236 lb‑ft
at 1450 rpm
Alfa Romeo Spider 3.2 JTS V6 24V
237 lb‑ft
236 lb‑ft
BMW Z4 Roadster sDrive20i
Performance
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster sDrive20i
152 mph
Maximum Speed
149 mph
7.2 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
328 ft
0.000 sec
Alfa Romeo Spider 3.2 JTS V6 24V
62 mph
62
mph
mph
302 ft
0.000 sec
BMW Z4 Roadster sDrive20i
▶ REPLAY
15.16 lb/hp
Weight-to-Power Ratio
16.99 lb/hp
Alfa Romeo Spider 3.2 JTS V6 24V
15.16 lb/hp
16.99 lb/hp
BMW Z4 Roadster sDrive20i
Fuel Economy / Emissions
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster sDrive20i
Fuel Economy
19 mpg
combined
39 mpg
Alfa Romeo Spider 3.2 JTS V6 24V
19 mpg
39 mpg
BMW Z4 Roadster sDrive20i
13 mpg
city
32 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
13.7 gal
357 mi
Range
529 mi
Alfa Romeo Spider 3.2 JTS V6 24V
357 mi
529 mi
BMW Z4 Roadster sDrive20i
Environmental Impact
231.1 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).
115.6 kWh
Alfa Romeo Spider 3.2 JTS V6 24V
231.1 kWh
115.6 kWh
BMW Z4 Roadster sDrive20i
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
463 g/mi (NEFZ)
CO2 Emissions
269 g/mi (WLTP)
Practical Convenience
Alfa Romeo Spider 3.2 JTS V6 24V
BMW Z4 Roadster sDrive20i
2
Doors
2
2
No. of Seats
2
606 lb
Maximum Payload
540 lb
7.2 cu ft
Trunk Volume
8 cu ft
No data
Cargo Volume (Seats Down)
No data
