The Comparative Analysis :

Alfa Romeo Spider 2.4 JTDM 20V Q-Tronic (08 - 10) vs. BMW Z4 Roadster sDrive18i Automatic (13 - 16)

€ 40,500
Alfa Romeo Spider 2.4 JTDM 20V Q-Tronic (08 - 10) Alfa Romeo Spider 2.4 JTDM 20V
€ 36,600
 BMW Z4 Roadster sDrive18i Automatic (13 - 16) BMW Z4 Roadster sDrive18i
€ 40,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,600

ⓘ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 sDrive18i.
Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive18i
51.9
Blueprint Alfa Romeo Spider 2.4 JTDM 20V Q-Tronic (08 - 10)
72
80.1
50.8
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
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
Blueprint Alfa Romeo Spider 2.4 JTDM 20V Q-Tronic (08 - 10)
99.5
173
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
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 sDrive18i
3814 lb
Curb Weight
3296 lb
4420 lb
Gross Vehicle
Weight
3858 lb
Alfa Romeo Spider 2.4 JTDM 20V Q-Tronic (08 - 10)
Weight Difference:
518 lb
13.58 %
BMW Z4 Roadster sDrive18i Automatic (13 - 16)

General

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive18i
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
8-speed automatic transmission

Engine

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive18i
Straight-five diesel engine with tur­bo­charger
Engine Type
Straight-four gasoline engine with tur­bo­charger
Engine Series
BMW N20
939 A3.000
Engine Code
N20-B20
4
Valves
4
5
Cylinders
4
2.4 L / 117 cu in
Displacement
2 L / 98 cu in
197 hp
at 4000 rpm
Power
154 hp
at 5000 rpm
Alfa Romeo Spider 2.4 JTDM 20V
197 hp
154 hp
BMW Z4 Roadster sDrive18i
295 lb‑ft
at 2000 rpm
Max. Torque
177 lb‑ft
at 1250 rpm
Alfa Romeo Spider 2.4 JTDM 20V
295 lb‑ft
177 lb‑ft
BMW Z4 Roadster sDrive18i

Performance

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive18i
140 mph
Maximum Speed
137 mph
8.5 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph 62
mph

387 ft
0.000 sec

Alfa Romeo Spider 2.4 JTDM 20V

62 mph 62
mph

371 ft
0.000 sec

BMW Z4 Roadster sDrive18i

▶ REPLAY
19.36 lb/hp
Weight-to-Power Ratio
21.4 lb/hp
Alfa Romeo Spider 2.4 JTDM 20V
19.36 lb/hp
21.4 lb/hp
BMW Z4 Roadster sDrive18i

Fuel Economy / Emissions

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive18i
Fuel Economy
30 mpg
combined
35 mpg
Alfa Romeo Spider 2.4 JTDM 20V
30 mpg
35 mpg
BMW Z4 Roadster sDrive18i
21 mpg
city
25 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
551 mi
Range
503 mi
Alfa Romeo Spider 2.4 JTDM 20V
551 mi
503 mi
BMW Z4 Roadster sDrive18i
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).
128.7 kWh
Alfa Romeo Spider 2.4 JTDM 20V
162.5 kWh
128.7 kWh
BMW Z4 Roadster sDrive18i
Euro 4
Emission Standard
Euro 6b (NEFZ)
335 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)

Practical Convenience

Alfa Romeo Spider 2.4 JTDM 20V
BMW Z4 Roadster sDrive18i
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