The Comparative Analysis :
Alfa Romeo Spider 2.4 JTDM 20V Q-Tronic (08 - 10) vs. BMW Z4 Roadster sDrive23i (09 - 11)
€ 40,500
€ 36,400
€ 40,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Alfa Romeo Spider 2.4 JTDM 20V is considerably bigger in every dimension. It's 6.1 inches longer, 1.6 inches wider and 1.1 inches taller than the BMW Z4 Roadster sDrive23i.
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive23i
51.9
72
80.1
50.8
70.5
76.8
72 in
Width
70.5 in
80.1 in
Width Incl. Mirrors
76.8 in
51.9 in
Height
50.8 in
99.5
173
98.3
166.9
173 in
Length
166.9 in
99.5 in
Wheelbase
98.3 in
Vehicle Weight
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive23i
3814 lb
Curb Weight
3263 lb
4420 lb
Gross Vehicle
Weight
Weight
3825 lb
Weight Difference:
551 lb
14.45 %
General
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive23i
Typ 939
Generation
E89
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Premium Unleaded
Front-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive23i
Straight-five diesel engine with turbocharger
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
Engine Series
BMW N52
939 A3.000
Engine Code
N52-B25
4
Valves
4
5
Cylinders
6
2.4 L / 117 cu in
Displacement
2.5 L / 122 cu in
197 hp
at 4000 rpm
Power
201 hp
at 6300 rpm
Alfa Romeo Spider 2.4 JTDM 20V
197 hp
201 hp
BMW Z4 Roadster sDrive23i
295 lb‑ft
at 2000 rpm
Max. Torque
184 lb‑ft
at 2750 rpm
Alfa Romeo Spider 2.4 JTDM 20V
295 lb‑ft
184 lb‑ft
BMW Z4 Roadster sDrive23i
Performance
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive23i
140 mph
Maximum Speed
150 mph
8.5 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
387 ft
0.000 sec
Alfa Romeo Spider 2.4 JTDM 20V
62 mph
62
mph
mph
302 ft
0.000 sec
BMW Z4 Roadster sDrive23i
▶ REPLAY
19.36 lb/hp
Weight-to-Power Ratio
16.23 lb/hp
Alfa Romeo Spider 2.4 JTDM 20V
19.36 lb/hp
16.23 lb/hp
BMW Z4 Roadster sDrive23i
Fuel Economy / Emissions
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive23i
Fuel Economy
30 mpg
combined
28 mpg
Alfa Romeo Spider 2.4 JTDM 20V
30 mpg
28 mpg
BMW Z4 Roadster sDrive23i
21 mpg
city
19 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
14.5 gal
551 mi
Range
402 mi
Alfa Romeo Spider 2.4 JTDM 20V
551 mi
402 mi
BMW Z4 Roadster sDrive23i
Environmental Impact
162.5 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).
161.1 kWh
Alfa Romeo Spider 2.4 JTDM 20V
162.5 kWh
161.1 kWh
BMW Z4 Roadster sDrive23i
Euro 4
Emission Standard
Euro 5
335 g/mi (NEFZ)
CO2 Emissions
320 g/mi (NEFZ)
Practical Convenience
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive23i
2
Doors
2
2
No. of Seats
2
606 lb
Maximum Payload
562 lb
7.2 cu ft
Trunk Volume
8.8 cu ft
No data
Cargo Volume (Seats Down)
No data
