Car comparison

Volvo C70 Convertible 2.3 i 20V T5vsAlfa Romeo Spider (939) 3.2 V6

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

New comparison

Volvo C70 Convertible

2.3 i 20V T5

245 hp2319 ccGasolineFWDManualTurbochargedCabriolet / convertible2003-2005
VS

Alfa Romeo Spider (939)

3.2 V6

260 hp3195 ccGasolineAWDAutomaticNaturally aspiratedCabriolet / convertible2006-2010

Comparison overview

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

Best choices

Volvo C70 Convertible 2.3 i 20V T5

  • Fastest top speed
    250 km/h
    155 mph Unrestricted
    240 km/h
    149 mph Restricted
  • Highest torque
    330 Nm
    243 lb-ft
  • Lightest
    1,580 kg
    3,483 lb
  • Best power-to-weight
    155 hp/t
    116 kW/t
    6.4 kg/hp
  • Largest trunk
    262 L
  • Best overall score
    51/100
  • Best performance score
    55/100
  • Best practicality score
    44/100

Specification comparison

Specification comparison
ModelVolvoC70 Convertible2.3 i 20V T5Alfa RomeoSpider (939)3.2 V6
Power
245hp183kW
260hp194kW
Torque
330Nm243lb-ft
322Nm237lb-ft
Curb weight
1,580kg3,483lb
1,765kg3,891lb
Gross weight
2,020kg4,453lb
-
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Calculated
240 km/h
149 mph
To 99% top speed
104.6s99% target: 248 km/h / 154 mph
Calculated
99.7s99% target: 238 km/h / 148 mph
Calculated
0-100 km/h
7.5s
7.0s
0-200 km/h
29.7s
Calculated
31.0s
Calculated
0-60 mph
7.1s
Calculated
6.6s
Calculated
Fuel consumption-
12.2L/100 km19.3mpg US23.2mpg UK
Fuel consumption city
13.6L/100 km17.3mpg US20.8mpg UK
-
Fuel consumption highway
7.8L/100 km30.2mpg US36.2mpg UK
-
Quarter mile
15.4s
Calculated
15.0s
Calculated
Power-to-weight
155hp/t116kW/t70hp/1000 lb
Calculated
147hp/t110kW/t67hp/1000 lb
Calculated
Torque-to-weight
209Nm/t140lb-ft/ton
Calculated
182Nm/t122lb-ft/ton
Calculated
Estimated range-
574km357mi
Calculated
Displacement
2,319cc142cu in
3,195cc195cu in
Length
4,716mm186in
4,393mm173in
Width
1,817mm72in
1,830mm72in
Height
1,429mm56in
1,318mm52in
Wheelbase
2,660mm105in
2,528mm100in
Front track
1,520mm60in
1,579mm62in
Rear track
1,520mm60in
1,559mm61in
Trunk volume
262L
253L
Doors
2
2
Seats
4
4
Fuel tank
68L
70L

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.

Volvo C70 Convertible 2.3 i 20V T5Alfa Romeo Spider (939) 3.2 V6PowerTorque
  • Volvo C70 Convertible 2.3 i 20V T5: Power / Torque
  • Alfa Romeo Spider (939) 3.2 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
VolvoC70 Convertible2.3 i 20V T55,400 rpm2,400 rpm5,650 rpm
Alfa RomeoSpider (939)3.2 V66,200 rpm4,500 rpm6,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricVolvoC70 Convertible2.3 i 20V T5Alfa RomeoSpider (939)3.2 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
7.1 s
6.6 s
0-100 km/h
0-62 mph
7.5 s
7.0 s
0-200 km/h
0-124 mph
29.7 s
31.0 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Likely limited
240 km/h
149 mph
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.7 s
6.4 s
1/8 mile
201 m
10.1 s
9.7 s
1000 ft
305 m
13.0 s
12.6 s
1/4 mile
402 m
15.4 s
15.0 s
Trap speed
1/4 mile
402 m
151 km/h
94 mph
152 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
VolvoC70 Convertible2.3 i 20V T5
245 hp
183 kW
Alfa RomeoSpider (939)3.2 V6
260 hp
194 kW

Alfa Romeo Spider (939) 3.2 V6 has 15 hp more than Volvo C70 Convertible 2.3 i 20V T5.

The biggest power difference is between Volvo C70 Convertible 2.3 i 20V T5 and Alfa Romeo Spider (939) 3.2 V6: 15 hp (11 kW).

Torque comparison

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

Chart data table
VehicleValue
VolvoC70 Convertible2.3 i 20V T5
330 Nm
243 lb-ft
Alfa RomeoSpider (939)3.2 V6
322 Nm
237 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
VolvoC70 Convertible2.3 i 20V T5
1,580 kg
3,483 lb
Alfa RomeoSpider (939)3.2 V6
1,765 kg
3,891 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
VolvoC70 Convertible2.3 i 20V T5
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Alfa RomeoSpider (939)3.2 V6
240 km/h
149 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
VolvoC70 Convertible2.3 i 20V T57.5 s
Alfa RomeoSpider (939)3.2 V67.0 s

The biggest 0-100 km/h difference is between Alfa Romeo Spider (939) 3.2 V6 and Volvo C70 Convertible 2.3 i 20V T5: 0.5 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
VolvoC70 Convertible2.3 i 20V T5
155 hp/t
116 kW/t
6.4 kg/hp
Alfa RomeoSpider (939)3.2 V6
147 hp/t
110 kW/t
6.8 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
VolvoC70 Convertible2.3 i 20V T5
245 hp
183 kW
7.5 s
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Alfa RomeoSpider (939)3.2 V6
260 hp
194 kW
7.0 s
240 km/h
149 mph

Most attractive quadrant

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

Chart data table
VehiclePerformance scorePracticality score
VolvoC70 Convertible2.3 i 20V T5
Power
245 hp
183 kW
0-100 km/h7.5 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Doors/seats
2 doors
4 seats
Trunk
262 L
9.3 cu ft
Length
4,716 mm
185.7 in
Height
1,429 mm
56.3 in
Alfa RomeoSpider (939)3.2 V6
Power
260 hp
194 kW
0-100 km/h7.0 s
Top speed
240 km/h
149 mph
Doors/seats
2 doors
4 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

Detailed score breakdown
VehicleVolvoC70 Convertible2.3 i 20V T5Alfa RomeoSpider (939)3.2 V6
Power
245 hp
183 kW
260 hp
194 kW
Torque
330 Nm
243 lb-ft
322 Nm
237 lb-ft
Acceleration
7.5 s
7.0 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
240 km/h
149 mph
Lightness
1,580 kg
3,483 lb
1,765 kg
3,891 lb
Fuel consumption
-
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
262 L
9.3 cu ft
Length
4,716 mm
185.7 in
Height
1,429 mm
56.3 in
Doors/seats
2 doors
4 seats
Trunk
253 L
8.9 cu ft
Length
4,393 mm
173.0 in
Height
1,318 mm
51.9 in
Range score
-
574 km
357 mi
Trunk score
262 L
9.3 cu ft
253 L
8.9 cu ft
Power-to-weight score
155 hp/t
116 kW/t
6.4 kg/hp
147 hp/t
110 kW/t
6.8 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

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

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
VehicleAlfa Romeo Spider (939) 3.2 V6
Consumption12.2 L/100 km19.3 mpg US23.2 mpg UK
Cost / 100 km21.35 LC100 km
Cost / 100 mi34.36 LC100 mi
Annual fuel used1,830 L483 US gal403 UK gal
Annual fuel cost3,203 LC/year

Head-to-head comparisons

Volvo C70 Convertible 2.3 i 20V T5

  • Has 8 Nm more
  • Is 185 kg lighter
  • Has 10 km/h (6 mph) higher top speed
  • Has 8 hp/t better power-to-weight
  • Has 9 L more trunk volume

Pros

  • Highest top speed
  • Highest torque
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Alfa Romeo Spider (939) 3.2 V6

  • Has 15 hp more
  • Is 0.5 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful

Cons

  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Volvo C70 Convertible 2.3 i 20V T5
Alfa Romeo Spider (939) 3.2 V6
Compare selected cars
2 vehicles selected

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