Car comparison

Aston Martin V8 Vantage Roadster 4.3 i V8 32VvsJaguar XK Convertible (X150) R 4.2 V8

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

New comparison

Aston Martin V8 Vantage Roadster

4.3 i V8 32V

385 hp4281 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2006-2008
VS

Jaguar XK Convertible (X150)

R 4.2 V8

416 hp4196 ccGasolineRWDAutomaticSuperchargedCabriolet / convertible2006-2009

Comparison overview

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

Best choices

Aston Martin V8 Vantage Roadster 4.3 i V8 32V

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    290 km/h
    180 mph Unrestricted
    280 km/h
    174 mph Restricted
  • Lightest
    1,570 kg
    3,461 lb
  • Best power-to-weight
    245 hp/t
    183 kW/t
    4.1 kg/hp
  • Lowest city consumption
    16.8 L/100 km
    14.0 mpg US
    16.8 mpg UK
  • Largest trunk
    300 L
  • Best performance score
    74/100

Jaguar XK Convertible (X150) R 4.2 V8

  • Most powerful
    416 hp
    310 kW
  • Highest torque
    560 Nm
    413 lb-ft
  • Lowest highway consumption
    8.6 L/100 km
    27.4 mpg US
    32.8 mpg UK
  • Best overall score
    63/100
  • Best economy score
    74/100
  • Best practicality score
    41/100

Specification comparison

Specification comparison
ModelAston MartinV8 Vantage Roadster4.3 i V8 32VJaguarXK Convertible (X150)R 4.2 V8
Power
385hp287kW
416hp310kW
Torque
410Nm302lb-ft
560Nm413lb-ft
Curb weight
1,570kg3,461lb
1,710kg3,770lb
Gross weight-
2,120kg4,674lb
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
71.8s99% target: 287 km/h / 178 mph
Calculated
67.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.0s
5.3s
0-200 km/h
15.6s
Calculated
18.6s
Calculated
0-60 mph
4.8s
Calculated
5.0s
Calculated
Fuel consumption-
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
16.8L/100 km14mpg US16.8mpg UK
19.1L/100 km12.3mpg US14.8mpg UK
Fuel consumption highway
11.8L/100 km19.9mpg US23.9mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Quarter mile
13.0s
Calculated
13.4s
Calculated
Power-to-weight
245hp/t183kW/t111hp/1000 lb
Calculated
243hp/t181kW/t110hp/1000 lb
Calculated
Torque-to-weight
261Nm/t175lb-ft/ton
Calculated
327Nm/t219lb-ft/ton
Calculated
Estimated range-
578km359mi
Calculated
Displacement
4,281cc261cu in
4,196cc256cu in
Length
4,383mm173in
4,791mm189in
Width
1,866mm73in
-
Height
1,255mm49in
1,329mm52in
Wheelbase
2,600mm102in
2,752mm108in
Front track
1,568mm62in
-
Rear track
1,562mm61in
-
Ground clearance-
120mm5in
Trunk volume
300L
200L
Max trunk volume-
283L
Doors
2
2
Seats
2
4
Fuel tank
80L
71L

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.

Aston Martin V8 Vantage Roadster 4.3 i V8 32VJaguar XK Convertible (X150) R 4.2 V8PowerTorque
  • Aston Martin V8 Vantage Roadster 4.3 i V8 32V: Power / Torque
  • Jaguar XK Convertible (X150) R 4.2 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Aston MartinV8 Vantage Roadster4.3 i V8 32V7,000 rpm5,000 rpm7,250 rpm
JaguarXK Convertible (X150)R 4.2 V86,250 rpm4,000 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAston MartinV8 Vantage Roadster4.3 i V8 32VJaguarXK Convertible (X150)R 4.2 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
5.0 s
0-100 km/h
0-62 mph
5.0 s
5.3 s
0-200 km/h
0-124 mph
15.6 s
18.6 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.8 s
5.9 s
1/8 mile
201 m
8.6 s
8.8 s
1000 ft
305 m
11.0 s
11.3 s
1/4 mile
402 m
13.0 s
13.4 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
174 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
385 hp
287 kW
JaguarXK Convertible (X150)R 4.2 V8
416 hp
310 kW

Jaguar XK Convertible (X150) R 4.2 V8 has 31 hp more than Aston Martin V8 Vantage Roadster 4.3 i V8 32V.

The biggest power difference is between Aston Martin V8 Vantage Roadster 4.3 i V8 32V and Jaguar XK Convertible (X150) R 4.2 V8: 31 hp (23 kW).

Torque comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
410 Nm
302 lb-ft
JaguarXK Convertible (X150)R 4.2 V8
560 Nm
413 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
1,570 kg
3,461 lb
JaguarXK Convertible (X150)R 4.2 V8
1,710 kg
3,770 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
JaguarXK Convertible (X150)R 4.2 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V5.0 s
JaguarXK Convertible (X150)R 4.2 V85.3 s

Although Jaguar XK Convertible (X150) R 4.2 V8 has more power, Aston Martin V8 Vantage Roadster 4.3 i V8 32V is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Aston Martin V8 Vantage Roadster 4.3 i V8 32V and Jaguar XK Convertible (X150) R 4.2 V8: 0.3 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
245 hp/t
183 kW/t
4.1 kg/hp
JaguarXK Convertible (X150)R 4.2 V8
243 hp/t
181 kW/t
4.1 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Aston MartinV8 Vantage Roadster4.3 i V8 32V
385 hp
287 kW
5.0 s
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
JaguarXK Convertible (X150)R 4.2 V8
416 hp
310 kW
5.3 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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
Aston MartinV8 Vantage Roadster4.3 i V8 32V
Power
385 hp
287 kW
0-100 km/h5.0 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Doors/seats
2 doors
2 seats
Trunk
300 L
10.6 cu ft
Length
4,383 mm
172.6 in
Height
1,255 mm
49.4 in
JaguarXK Convertible (X150)R 4.2 V8
Power
416 hp
310 kW
0-100 km/h5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
200 L
7.1 cu ft
Length
4,791 mm
188.6 in
Height
1,329 mm
52.3 in

Detailed score breakdown

Detailed score breakdown
VehicleAston MartinV8 Vantage Roadster4.3 i V8 32VJaguarXK Convertible (X150)R 4.2 V8
Power
385 hp
287 kW
416 hp
310 kW
Torque
410 Nm
302 lb-ft
560 Nm
413 lb-ft
Acceleration
5.0 s
5.3 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,570 kg
3,461 lb
1,710 kg
3,770 lb
Fuel consumption
-
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
300 L
10.6 cu ft
Length
4,383 mm
172.6 in
Height
1,255 mm
49.4 in
Doors/seats
2 doors
4 seats
Trunk
200 L
7.1 cu ft
Length
4,791 mm
188.6 in
Height
1,329 mm
52.3 in
Range score
-
578 km
359 mi
Trunk score
300 L
10.6 cu ft
200 L
7.1 cu ft
Power-to-weight score
245 hp/t
183 kW/t
4.1 kg/hp
243 hp/t
181 kW/t
4.1 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
VehicleJaguar XK Convertible (X150) R 4.2 V8
Consumption12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km21.53 LC100 km
Cost / 100 mi34.64 LC100 mi
Annual fuel used1,845 L487 US gal406 UK gal
Annual fuel cost3,229 LC/year

Head-to-head comparisons

Aston Martin V8 Vantage Roadster 4.3 i V8 32V

  • Is 140 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 30 km/h (19 mph) higher top speed
  • Has 2 hp/t better power-to-weight
  • Has 100 L more trunk volume

Pros

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

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Aston Martin V8 Vantage Roadster 4.3 i V8 32V
Jaguar XK Convertible (X150) R 4.2 V8
Compare selected cars
2 vehicles selected

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