Car comparison

Alfa Romeo Spider (939) 2.4 JTDM · Stage 3vsAlfa Romeo Spider (939) 2.4 JTDM · Stage 2vsAlfa Romeo Spider (939) 2.4 JTDM · Stage 1vsAlfa Romeo Spider (939) 2.4 JTDM

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

New comparison

Alfa Romeo Spider (939)

2.4 JTDM (Stage 3)

326 hp2387 ccDieselFWDManualTurbochargedCabriolet / convertible2008-2010
VS

Alfa Romeo Spider (939)

2.4 JTDM (Stage 2)

284 hp2387 ccDieselFWDManualTurbochargedCabriolet / convertible2008-2010
VS

Alfa Romeo Spider (939)

2.4 JTDM (Stage 1)

252 hp2387 ccDieselFWDManualTurbochargedCabriolet / convertible2008-2010
VS

Alfa Romeo Spider (939)

2.4 JTDM

210 hp2387 ccDieselFWDManualTurbochargedCabriolet / convertible2008-2010

Comparison overview

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

Best choices

Alfa Romeo Spider (939) 2.4 JTDM (Stage 3) 326 hp

  • Quickest 0-100 km/h
    6.2 s
  • Fastest top speed
    273 km/h
    170 mph
  • Most powerful
    326 hp
    243 kW
  • Highest torque
    640 Nm
    472 lb-ft
  • Lightest
    1,635 kg
    3,605 lb
  • Best power-to-weight
    199 hp/t
    148 kW/t
    5.0 kg/hp
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest city consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest highway consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Lowest CO2 emissions
    179 g/km
  • Best estimated range
    1,029 km
    640 mi
  • Largest trunk
    253 L
  • Best overall score
    58/100
  • Best performance score
    70/100
  • Best economy score
    89/100
  • Best practicality score
    33/100

Specification comparison

Specification comparison
ModelAlfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hpAlfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hpAlfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hpAlfa RomeoSpider (939)2.4 JTDM210 hp
Power
326hp243kW+116 hp
284hp211kW+74 hp
252hp188kW+42 hp
210hp157kW
Torque
640Nm472lb-ft+240 Nm
560Nm413lb-ft+160 Nm
500Nm369lb-ft+100 Nm
400Nm295lb-ft
Curb weight
1,635kg3,605lb
1,635kg3,605lb
1,635kg3,605lb
1,635kg3,605lb
Gross weight
1,985kg4,376lb
1,985kg4,376lb
1,985kg4,376lb
1,985kg4,376lb
Top speed
273 km/h
170 mph
+42 km/h
262 km/h
163 mph
+31 km/h
253 km/h
157 mph
+22 km/h
231 km/h
144 mph
To 99% top speed
96.9s99% target: 270 km/h / 168 mph-14.0 s
Calculated
104.1s99% target: 259 km/h / 161 mph-6.8 s
Calculated
109.6s99% target: 250 km/h / 156 mph-1.3 s
Calculated
110.9s99% target: 229 km/h / 142 mph
Calculated
0-100 km/h
6.2s-1.9 s
6.7s-1.4 s
7.2s-0.9 s
8.1s
0-200 km/h
21.8s-17.5 s
Calculated
25.5s-13.9 s
Calculated
29.1s-10.3 s
Calculated
39.3s
Calculated
0-60 mph
5.8s-1.8 s
Calculated
6.4s-1.3 s
Calculated
6.8s-0.8 s
Calculated
7.6s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
9.2L/100 km25.6mpg US30.7mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption highway
5.4L/100 km43.6mpg US52.3mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
Quarter mile
14.2s-1.7 s
Calculated
14.7s-1.1 s
Calculated
15.2s-0.7 s
Calculated
15.9s
Calculated
Power-to-weight
199hp/t148kW/t90hp/1000 lb
Calculated
173hp/t129kW/t79hp/1000 lb
Calculated
154hp/t115kW/t70hp/1000 lb
Calculated
128hp/t96kW/t58hp/1000 lb
Calculated
Torque-to-weight
391Nm/t262lb-ft/ton
Calculated
343Nm/t229lb-ft/ton
Calculated
306Nm/t205lb-ft/ton
Calculated
245Nm/t164lb-ft/ton
Calculated
Estimated range
1,029km640mi
Calculated
1,029km640mi
Calculated
1,029km640mi
Calculated
1,029km640mi
Calculated
Displacement
2,387cc146cu in
2,387cc146cu in
2,387cc146cu in
2,387cc146cu in
Length
4,393mm173in
4,393mm173in
4,393mm173in
4,393mm173in
Width
1,830mm72in
1,830mm72in
1,830mm72in
1,830mm72in
Height
1,318mm52in
1,318mm52in
1,318mm52in
1,318mm52in
Wheelbase
2,528mm100in
2,528mm100in
2,528mm100in
2,528mm100in
Front track
1,579mm62in
1,579mm62in
1,579mm62in
1,579mm62in
Rear track
1,559mm61in
1,559mm61in
1,559mm61in
1,559mm61in
Trunk volume
253L
253L
253L
253L
Doors
2
2
2
2
Seats
2
2
2
2
Fuel tank
70L
70L
70L
70L
CO2 emissions
179g/km
179g/km
179g/km
179g/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.

Alfa Romeo Spider (939) 2.4 JTDM (Stage 3) 326 hpAlfa Romeo Spider (939) 2.4 JTDM (Stage 2) 284 hpAlfa Romeo Spider (939) 2.4 JTDM (Stage 1) 252 hpAlfa Romeo Spider (939) 2.4 JTDM 210 hpPowerTorque
  • Alfa Romeo Spider (939) 2.4 JTDM (Stage 3) 326 hp: Power / Torque
  • Alfa Romeo Spider (939) 2.4 JTDM (Stage 2) 284 hp: Power / Torque
  • Alfa Romeo Spider (939) 2.4 JTDM (Stage 1) 252 hp: Power / Torque
  • Alfa Romeo Spider (939) 2.4 JTDM 210 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Alfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hp4,000 rpm1,500 rpm4,250 rpm
Alfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hp4,000 rpm1,500 rpm4,250 rpm
Alfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hp4,000 rpm1,500 rpm4,250 rpm
Alfa RomeoSpider (939)2.4 JTDM210 hp4,000 rpm1,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hpAlfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hpAlfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hpAlfa RomeoSpider (939)2.4 JTDM210 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
5.8 s
6.4 s
6.8 s
7.6 s
0-100 km/h
0-62 mph
6.2 s
6.7 s
7.2 s
8.1 s
0-200 km/h
0-124 mph
21.8 s
25.5 s
29.1 s
39.3 s
Top speed
273 km/h
170 mph
262 km/h
163 mph
253 km/h
157 mph
231 km/h
144 mph
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
2.4 s
2.5 s
330 ft
101 m
6.2 s
6.4 s
6.5 s
6.8 s
1/8 mile
201 m
9.3 s
9.6 s
9.9 s
10.3 s
1000 ft
305 m
12.0 s
12.4 s
12.8 s
13.3 s
1/4 mile
402 m
14.2 s
14.7 s
15.2 s
15.9 s
Trap speed
1/4 mile
402 m
164 km/h
102 mph
157 km/h
98 mph
152 km/h
95 mph
144 km/h
89 mph

Power comparison

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

Alfa Romeo Spider (939) 2.4 JTDM (Stage 3) 326 hp has 116 hp more than Alfa Romeo Spider (939) 2.4 JTDM 210 hp.

The biggest power difference is between Alfa Romeo Spider (939) 2.4 JTDM 210 hp and Alfa Romeo Spider (939) 2.4 JTDM (Stage 3) 326 hp: 116 hp (86 kW).

Torque comparison

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

Curb weight comparison

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

Top speed without limiter comparison

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

0-100 km/h comparison

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

The biggest 0-100 km/h difference is between Alfa Romeo Spider (939) 2.4 JTDM (Stage 3) 326 hp and Alfa Romeo Spider (939) 2.4 JTDM 210 hp: 1.9 s.

The closest cars by acceleration are Alfa Romeo Spider (939) 2.4 JTDM (Stage 2) 284 hp and Alfa Romeo Spider (939) 2.4 JTDM (Stage 1) 252 hp, separated by only 0.5 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Alfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoSpider (939)2.4 JTDM210 hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
Alfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hp
199 hp/t
148 kW/t
5.0 kg/hp
Alfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hp
173 hp/t
129 kW/t
5.8 kg/hp
Alfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hp
154 hp/t
115 kW/t
6.5 kg/hp
Alfa RomeoSpider (939)2.4 JTDM210 hp
128 hp/t
96 kW/t
7.8 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Alfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hp
326 hp
243 kW
6.2 s
273 km/h
170 mph
Alfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hp
284 hp
211 kW
6.7 s
262 km/h
163 mph
Alfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hp
252 hp
188 kW
7.2 s
253 km/h
157 mph
Alfa RomeoSpider (939)2.4 JTDM210 hp
210 hp
157 kW
8.1 s
231 km/h
144 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
Alfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hp
Power
326 hp
243 kW
0-100 km/h6.2 s
Top speed
273 km/h
170 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
Alfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hp
Power
284 hp
211 kW
0-100 km/h6.7 s
Top speed
262 km/h
163 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
Alfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hp
Power
252 hp
188 kW
0-100 km/h7.2 s
Top speed
253 km/h
157 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
Alfa RomeoSpider (939)2.4 JTDM210 hp
Power
210 hp
157 kW
0-100 km/h8.1 s
Top speed
231 km/h
144 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

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Alfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hp
Power
326 hp
243 kW
0-100 km/h6.2 s
Top speed
273 km/h
170 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hp
Power
284 hp
211 kW
0-100 km/h6.7 s
Top speed
262 km/h
163 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hp
Power
252 hp
188 kW
0-100 km/h7.2 s
Top speed
253 km/h
157 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoSpider (939)2.4 JTDM210 hp
Power
210 hp
157 kW
0-100 km/h8.1 s
Top speed
231 km/h
144 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Alfa Romeo Spider (939) 2.4 JTDM (Stage 3) 326 hp is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Alfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.2 s
Alfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.7 s
Alfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
7.2 s
Alfa RomeoSpider (939)2.4 JTDM210 hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
8.1 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Alfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hp
199 hp/t
148 kW/t
5.0 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hp
173 hp/t
129 kW/t
5.8 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hp
154 hp/t
115 kW/t
6.5 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoSpider (939)2.4 JTDM210 hp
128 hp/t
96 kW/t
7.8 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlfa RomeoSpider (939)2.4 JTDM (Stage 3)326 hpAlfa RomeoSpider (939)2.4 JTDM (Stage 2)284 hpAlfa RomeoSpider (939)2.4 JTDM (Stage 1)252 hpAlfa RomeoSpider (939)2.4 JTDM210 hp
Power
326 hp
243 kW
284 hp
211 kW
252 hp
188 kW
210 hp
157 kW
Torque
640 Nm
472 lb-ft
560 Nm
413 lb-ft
500 Nm
369 lb-ft
400 Nm
295 lb-ft
Acceleration
6.2 s
6.7 s
7.2 s
8.1 s
Top speed
273 km/h
170 mph
262 km/h
163 mph
253 km/h
157 mph
231 km/h
144 mph
Lightness
1,635 kg
3,605 lb
1,635 kg
3,605 lb
1,635 kg
3,605 lb
1,635 kg
3,605 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
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
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
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
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
1,029 km
640 mi
1,029 km
640 mi
1,029 km
640 mi
1,029 km
640 mi
CO2 score
179 g/km
179 g/km
179 g/km
179 g/km
Trunk score
253 L
8.9 cu ft
253 L
8.9 cu ft
253 L
8.9 cu ft
253 L
8.9 cu ft
Power-to-weight score
199 hp/t
148 kW/t
5.0 kg/hp
173 hp/t
129 kW/t
5.8 kg/hp
154 hp/t
115 kW/t
6.5 kg/hp
128 hp/t
96 kW/t
7.8 kg/hp
Overall
Fixed score
Fixed score
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) 2.4 JTDM (Stage 3) 326 hpAlfa Romeo Spider (939) 2.4 JTDM (Stage 2) 284 hpAlfa Romeo Spider (939) 2.4 JTDM (Stage 1) 252 hpAlfa Romeo Spider (939) 2.4 JTDM 210 hp
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km11.90 LC100 km11.90 LC100 km11.90 LC100 km11.90 LC100 km
Cost / 100 mi19.15 LC100 mi19.15 LC100 mi19.15 LC100 mi19.15 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,020 L269 US gal224 UK gal1,020 L269 US gal224 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost1,785 LC/year1,785 LC/year1,785 LC/year1,785 LC/year

Head-to-head comparisons

Alfa Romeo Spider (939) 2.4 JTDM (Stage 3) 326 hp

  • Has 42 hp more
  • Has 80 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 11 km/h (7 mph) higher top speed
  • Has 26 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Highest CO2 emissions

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Alfa Romeo Spider (939) 2.4 JTDM · Stage 3 vs Alfa Romeo Spider (939) 2.4 JTDM · Stage 2 vs Alfa Romeo Spider (939) 2.4 JTDM · Stage 1 vs Alfa Romeo Spider (939) 2.4 JTDM - car comparison - FastVsFaster