Car comparison

Caterham CSR CSRvsAlfa Romeo Spider (939) 2.4 JTDM

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

New comparison

Caterham CSR

CSR

200 hp2261 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2004-2014
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

  • Most powerful
    210 hp
    157 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • 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
  • Best estimated range
    1,029 km
    640 mi
  • Best economy score
    89/100
  • Best practicality score
    33/100

Caterham CSR CSR

  • Quickest 0-100 km/h
    3.7 s
  • Fastest top speed
    235 km/h
    146 mph Unrestricted
    225 km/h
    140 mph Restricted
  • Lightest
    565 kg
    1,246 lb
  • Best power-to-weight
    354 hp/t
    264 kW/t
    2.8 kg/hp
  • Best overall score
    52/100
  • Best performance score
    62/100

Specification comparison

Specification comparison
ModelCaterhamCSRCSRAlfa RomeoSpider (939)2.4 JTDM
Power
200hp149kW
210hp157kW
Torque
221Nm163lb-ft
400Nm295lb-ft
Curb weight
565kg1,246lb
1,635kg3,605lb
Gross weight
875kg1,929lb
1,985kg4,376lb
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Calculated
231 km/h
144 mph
To 99% top speed
36.3s99% target: 233 km/h / 145 mph
Calculated
110.5s99% target: 229 km/h / 142 mph
Calculated
0-100 km/h
3.7s
8.1s
0-200 km/h
14.0s
Calculated
39.3s
Calculated
0-60 mph
3.5s
Calculated
7.6s
Calculated
Fuel consumption
11.5L/100 km20.5mpg US24.6mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
16.6L/100 km14.2mpg US17.0mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption highway
8.5L/100 km27.7mpg US33.2mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
Quarter mile
11.8s
Calculated
15.9s
Calculated
Power-to-weight
354hp/t264kW/t161hp/1000 lb
Calculated
128hp/t96kW/t58hp/1000 lb
Calculated
Torque-to-weight
391Nm/t262lb-ft/ton
Calculated
245Nm/t164lb-ft/ton
Calculated
Estimated range
365km227mi
Calculated
1,029km640mi
Calculated
Displacement
2,261cc138cu in
2,387cc146cu in
Length
3,300mm130in
4,393mm173in
Width
1,685mm66in
1,830mm72in
Height
1,140mm45in
1,318mm52in
Wheelbase
2,315mm91in
2,528mm100in
Front track
1,505mm59in
1,579mm62in
Rear track
1,465mm58in
1,559mm61in
Trunk volume-
253L
Doors
2
2
Seats
2
2
Fuel tank
42L
70L
CO2 emissions-
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.

Caterham CSR CSRAlfa Romeo Spider (939) 2.4 JTDMPowerTorque
  • Caterham CSR CSR: Power / Torque
  • Alfa Romeo Spider (939) 2.4 JTDM: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
CaterhamCSRCSR7,000 rpm-7,250 rpm
Alfa RomeoSpider (939)2.4 JTDM4,000 rpm1,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricCaterhamCSRCSRAlfa RomeoSpider (939)2.4 JTDM
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
7.6 s
0-100 km/h
0-62 mph
3.7 s
8.1 s
0-200 km/h
0-124 mph
14.0 s
39.3 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Likely limited
231 km/h
144 mph
Drag race simulation
60 ft
18 m
1.9 s
2.5 s
330 ft
101 m
5.1 s
6.8 s
1/8 mile
201 m
7.6 s
10.3 s
1000 ft
305 m
9.9 s
13.3 s
1/4 mile
402 m
11.8 s
15.9 s
Trap speed
1/4 mile
402 m
189 km/h
117 mph
144 km/h
89 mph

Power comparison

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

Chart data table
VehicleValue
CaterhamCSRCSR
200 hp
149 kW
Alfa RomeoSpider (939)2.4 JTDM
210 hp
157 kW

Alfa Romeo Spider (939) 2.4 JTDM has 10 hp more than Caterham CSR CSR.

The biggest power difference is between Caterham CSR CSR and Alfa Romeo Spider (939) 2.4 JTDM: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
CaterhamCSRCSR
221 Nm
163 lb-ft
Alfa RomeoSpider (939)2.4 JTDM
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
CaterhamCSRCSR
565 kg
1,246 lb
Alfa RomeoSpider (939)2.4 JTDM
1,635 kg
3,605 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
CaterhamCSRCSR
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Alfa RomeoSpider (939)2.4 JTDM
231 km/h
144 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
CaterhamCSRCSR3.7 s
Alfa RomeoSpider (939)2.4 JTDM8.1 s

Although Alfa Romeo Spider (939) 2.4 JTDM has more power, Caterham CSR CSR is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Caterham CSR CSR and Alfa Romeo Spider (939) 2.4 JTDM: 4.4 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
CaterhamCSRCSR
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Alfa RomeoSpider (939)2.4 JTDM
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Spider (939) 2.4 JTDM and Caterham CSR CSR: 4.7 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
CaterhamCSRCSR
354 hp/t
264 kW/t
2.8 kg/hp
Alfa RomeoSpider (939)2.4 JTDM
128 hp/t
96 kW/t
7.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
CaterhamCSRCSR
365 km
227 mi
Alfa RomeoSpider (939)2.4 JTDM
1,029 km
640 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
CaterhamCSRCSR
200 hp
149 kW
3.7 s
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Alfa RomeoSpider (939)2.4 JTDM
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
CaterhamCSRCSR
Power
200 hp
149 kW
0-100 km/h3.7 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
3,300 mm
129.9 in
Height
1,140 mm
44.9 in
Alfa RomeoSpider (939)2.4 JTDM
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
CaterhamCSRCSR
Power
200 hp
149 kW
0-100 km/h3.7 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Alfa RomeoSpider (939)2.4 JTDM
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

Caterham CSR CSR 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
CaterhamCSRCSR
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
3.7 s
Alfa RomeoSpider (939)2.4 JTDM
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
CaterhamCSRCSR
354 hp/t
264 kW/t
2.8 kg/hp
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Alfa RomeoSpider (939)2.4 JTDM
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
VehicleCaterhamCSRCSRAlfa RomeoSpider (939)2.4 JTDM
Power
200 hp
149 kW
210 hp
157 kW
Torque
221 Nm
163 lb-ft
400 Nm
295 lb-ft
Acceleration
3.7 s
8.1 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
225 km/h140 mph
231 km/h
144 mph
Lightness
565 kg
1,246 lb
1,635 kg
3,605 lb
Fuel consumption
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
3,300 mm
129.9 in
Height
1,140 mm
44.9 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
365 km
227 mi
1,029 km
640 mi
CO2 score
-
179 g/km
Trunk score
-
253 L
8.9 cu ft
Power-to-weight score
354 hp/t
264 kW/t
2.8 kg/hp
128 hp/t
96 kW/t
7.8 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
VehicleCaterham CSR CSRAlfa Romeo Spider (939) 2.4 JTDM
Consumption11.5 L/100 km20.5 mpg US24.6 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km20.13 LC100 km11.90 LC100 km
Cost / 100 mi32.39 LC100 mi19.15 LC100 mi
Annual fuel used1,725 L456 US gal379 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost3,019 LC/year1,785 LC/year

Head-to-head comparisons

Caterham CSR CSR

  • Is 1,070 kg lighter
  • Is 4.4 s quicker from 0-100 km/h
  • Has 4 km/h (2 mph) higher top speed
  • Has 226 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Highest combined fuel consumption

Alfa Romeo Spider (939) 2.4 JTDM

  • Has 10 hp more
  • Has 179 Nm more
  • Uses 4.7 L/100 km less fuel
  • Has 664 km (413 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Caterham CSR CSR
Alfa Romeo Spider (939) 2.4 JTDM
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