Car comparison

Nissan 350Z Roadster (Z33) 3.5 i V6 24VvsAlfa Romeo Spider (939) 3.2 JTS V6

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Nissan 350Z Roadster (Z33)

3.5 i V6 24V

283 hp3498 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2003-2007

Alfa Romeo Spider (939)

3.2 JTS V6

260 hp3195 ccGasolineFWDManualNaturally aspiratedCabriolet / convertible2008-2010

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Nissan 350Z Roadster (Z33) 3.5 i V6 24V

Quickest 0-100 km/h
6.4 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
283 hp
211 kW
Highest torque
352 Nm
260 lb-ft
Best power-to-weight
173 hp/t
129 kW/t
5.8 kg/hp
Best overall score
53/100
Best performance score
61/100
Best practicality score
36/100

Alfa Romeo Spider (939) 3.2 JTS V6

Lightest
1,600 kg
3,527 lb
Largest trunk
253 L
Best economy score
77/100

Specification comparison

Specification comparison
Model	Nissan350Z Roadster (Z33)3.5 i V6 24V	Alfa RomeoSpider (939)3.2 JTS V6
Power	283hp211kW	260hp194kW
Torque	352Nm260lb-ft	322Nm237lb-ft
Curb weight	1,635kg3,605lb	1,600kg3,527lb
Gross weight	-	1,950kg4,299lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	250 km/h 155 mph
To 99% top speed	89.5s99% target: 257 km/h / 160 mph Calculated	105.3s99% target: 248 km/h / 154 mph Calculated
0-100 km/h	6.4s	7.2s
0-200 km/h	23.4s Calculated	29.2s Calculated
0-60 mph	6.1s Calculated	6.8s Calculated
Fuel consumption	-	11.1L/100 km21.2mpg US25.4mpg UK
Fuel consumption city	-	16.5L/100 km14.3mpg US17.1mpg UK
Fuel consumption highway	-	7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile	14.4s Calculated	15.1s Calculated
Power-to-weight	173hp/t129kW/t79hp/1000 lb Calculated	163hp/t121kW/t74hp/1000 lb Calculated
Torque-to-weight	215Nm/t144lb-ft/ton Calculated	201Nm/t135lb-ft/ton Calculated
Estimated range	-	631km392mi Calculated
Displacement	3,498cc213cu in	3,195cc195cu in
Length	4,310mm170in	4,393mm173in
Width	1,815mm71in	1,830mm72in
Height	1,328mm52in	1,318mm52in
Wheelbase	2,650mm104in	2,528mm100in
Front track	1,535mm60in	1,579mm62in
Rear track	1,545mm61in	1,559mm61in
Trunk volume	-	253L
Max trunk volume	130L	-
Doors	2	2
Seats	2	2
Fuel tank	80L	70L
CO2 emissions	-	262g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Nissan 350Z Roadster (Z33) 3.5 i V6 24VAlfa Romeo Spider (939) 3.2 JTS V6PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Nissan350Z Roadster (Z33)3.5 i V6 24V	6,200 rpm	4,800 rpm	6,450 rpm
Alfa RomeoSpider (939)3.2 JTS V6	6,300 rpm	4,500 rpm	6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Nissan350Z Roadster (Z33)3.5 i V6 24V	Alfa RomeoSpider (939)3.2 JTS V6
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.1 s	6.8 s
0-100 km/h 0-62 mph	6.4 s	7.2 s
0-200 km/h 0-124 mph	23.4 s	29.2 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited	250 km/h 155 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.4 s
330 ft 101 m	6.3 s	6.5 s
1/8 mile 201 m	9.5 s	9.9 s
1000 ft 305 m	12.2 s	12.7 s
1/4 mile 402 m	14.4 s	15.1 s
Trap speed 1/4 mile 402 m	162 km/h 100 mph	152 km/h 95 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
Nissan350Z Roadster (Z33)3.5 i V6 24V	283 hp 211 kW
Alfa RomeoSpider (939)3.2 JTS V6	260 hp 194 kW

Nissan 350Z Roadster (Z33) 3.5 i V6 24V has 23 hp more than Alfa Romeo Spider (939) 3.2 JTS V6.

The biggest power difference is between Alfa Romeo Spider (939) 3.2 JTS V6 and Nissan 350Z Roadster (Z33) 3.5 i V6 24V: 23 hp (17 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
Nissan350Z Roadster (Z33)3.5 i V6 24V	352 Nm 260 lb-ft
Alfa RomeoSpider (939)3.2 JTS V6	322 Nm 237 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
Nissan350Z Roadster (Z33)3.5 i V6 24V	1,635 kg 3,605 lb
Alfa RomeoSpider (939)3.2 JTS V6	1,600 kg 3,527 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
Nissan350Z Roadster (Z33)3.5 i V6 24V	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Alfa RomeoSpider (939)3.2 JTS V6	250 km/h 155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
Nissan350Z Roadster (Z33)3.5 i V6 24V	6.4 s
Alfa RomeoSpider (939)3.2 JTS V6	7.2 s

The biggest 0-100 km/h difference is between Nissan 350Z Roadster (Z33) 3.5 i V6 24V and Alfa Romeo Spider (939) 3.2 JTS V6: 0.8 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Nissan350Z Roadster (Z33)3.5 i V6 24V	173 hp/t 129 kW/t 5.8 kg/hp
Alfa RomeoSpider (939)3.2 JTS V6	163 hp/t 121 kW/t 6.2 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Nissan350Z Roadster (Z33)3.5 i V6 24V	283 hp 211 kW	6.4 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Alfa RomeoSpider (939)3.2 JTS V6	260 hp 194 kW	7.2 s	250 km/h 155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Nissan350Z Roadster (Z33)3.5 i V6 24V

Power	283 hp 211 kW
0-100 km/h	6.4 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 2 seats
Trunk	130 L 4.6 cu ft
Length	4,310 mm 169.7 in
Height	1,328 mm 52.3 in

Alfa RomeoSpider (939)3.2 JTS V6

Power	260 hp 194 kW
0-100 km/h	7.2 s
Top speed 250 km/h 155 mph

Doors/seats	2 doors 2 seats
Trunk	253 L 8.9 cu ft
Length	4,393 mm 173.0 in
Height	1,318 mm 51.9 in

Detailed score breakdown

Vehicle

Nissan350Z Roadster (Z33)3.5 i V6 24V

Alfa RomeoSpider (939)3.2 JTS V6

Power

283 hp

211 kW

260 hp

194 kW

Torque

352 Nm

260 lb-ft

322 Nm

237 lb-ft

Acceleration

6.4 s

7.2 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

250 km/h

155 mph

Lightness

1,635 kg

3,605 lb

1,600 kg

3,527 lb

Fuel consumption

11.1 L/100 km

21.2 mpg US

25.4 mpg UK

Practicality

Doors/seats	2 doors 2 seats
Trunk	130 L 4.6 cu ft
Length	4,310 mm 169.7 in
Height	1,328 mm 52.3 in

Doors/seats	2 doors 2 seats
Trunk	253 L 8.9 cu ft
Length	4,393 mm 173.0 in
Height	1,318 mm 51.9 in

Range score

631 km

392 mi

CO2 score

262 g/km

Trunk score

130 L

4.6 cu ft

253 L

8.9 cu ft

Power-to-weight score

173 hp/t

129 kW/t

5.8 kg/hp

163 hp/t

121 kW/t

6.2 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	Alfa Romeo Spider (939) 3.2 JTS V6
Consumption	11.1 L/100 km21.2 mpg US25.4 mpg UK
Cost / 100 km	19.43 LC100 km
Cost / 100 mi	31.26 LC100 mi
Annual fuel used	1,665 L440 US gal366 UK gal
Annual fuel cost	2,914 LC/year