The Comparative Analysis :

Alfa Romeo Spider 2.0 JTDM 16V (09 - 10) vs. BMW Z4 Roadster M40i Steptronic Sport (19 - ..)

€ 35,900
Alfa Romeo Spider 2.0 JTDM 16V (09 - 10) Alfa Romeo Spider 2.0 JTDM 16V
€ 61,000
 BMW Z4 Roadster M40i Steptronic Sport (19 - ..) BMW Z4 Roadster M40i
€ 35,900
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 2.0 JTDM 16V is 2.7 inches longer, 1.3 inches narrower and 0.6 inches taller than the BMW Z4 Roadster M40i.
Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster M40i
51.9
Blueprint Alfa Romeo Spider 2.0 JTDM 16V (09 - 10)
72
80.1
51.3
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
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
Blueprint Alfa Romeo Spider 2.0 JTDM 16V (09 - 10)
99.5
173
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
97.2
170.2
173 in
Length
170.2 in
99.5 in
Wheelbase
97.2 in

Vehicle Weight

Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster M40i
3560 lb
Curb Weight
3549 lb
4167 lb
Gross Vehicle
Weight
4101 lb
Alfa Romeo Spider 2.0 JTDM 16V (09 - 10)
Weight Difference:
11 lb
0.31 %
BMW Z4 Roadster M40i Steptronic Sport (19 - ..)

General

Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster M40i
Typ 939
Generation
G29
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Premium Unleaded
Front-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster M40i
Straight-five diesel engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW B58
939 B3.000
Engine Code
B58-B30
4
Valves
4
5
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
168 hp
at 4000 rpm
Power
335 hp
at 5000 rpm
Alfa Romeo Spider 2.0 JTDM 16V
168 hp
335 hp
BMW Z4 Roadster M40i
266 lb‑ft
at 1750 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Alfa Romeo Spider 2.0 JTDM 16V
266 lb‑ft
369 lb‑ft
BMW Z4 Roadster M40i

Performance

Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster M40i
135 mph
Maximum Speed
155 mph
9 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

410 ft
0.000 sec

Alfa Romeo Spider 2.0 JTDM 16V

62 mph 62
mph

207 ft
0.000 sec

BMW Z4 Roadster M40i

▶ REPLAY
21.19 lb/hp
Weight-to-Power Ratio
10.59 lb/hp
Alfa Romeo Spider 2.0 JTDM 16V
21.19 lb/hp
10.59 lb/hp
BMW Z4 Roadster M40i

Fuel Economy / Emissions

Alfa Romeo Spider 2.0 JTDM 16V
BMW Z4 Roadster M40i
Fuel Economy
44 mpg
combined
33 mpg
Alfa Romeo Spider 2.0 JTDM 16V
44 mpg
33 mpg
BMW Z4 Roadster M40i
33 mpg
city
26 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
13.7 gal
Kraftstoffanzeige
805 mi
Range
455 mi
Alfa Romeo Spider 2.0 JTDM 16V
805 mi
455 mi
BMW Z4 Roadster M40i
Environmental Impact
111 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).
134.5 kWh
Alfa Romeo Spider 2.0 JTDM 16V
111 kWh
134.5 kWh
BMW Z4 Roadster M40i
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
229 g/mi (NEFZ)
CO2 Emissions
307 g/mi (WLTP)

Practical Convenience

Alfa Romeo Spider 2.0 JTDM 16V
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