Car comparison

Aston Martin V8 Vantage Roadster · Facelift 2008 N430 4.7 V8vsPorsche Boxster (981) Spyder 3.8

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

New comparison

Aston Martin V8 Vantage Roadster · Facelift 2008

N430 4.7 V8

436 hp4735 ccGasolineRWDAutomaticNaturally aspiratedRoadster2015-2016
VS

Porsche Boxster (981)

Spyder 3.8

375 hp3800 ccGasolineRWDManualNaturally aspiratedRoadster2015-2016

Comparison overview

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

Best choices

Porsche Boxster (981) Spyder 3.8

  • Quickest 0-100 km/h
    4.5 s
  • Lightest
    1,315 kg
    2,899 lb
  • Best power-to-weight
    285 hp/t
    213 kW/t
    3.5 kg/hp
  • Lowest combined fuel consumption
    9.9 L/100 km
    23.8 mpg US
    28.5 mpg UK
  • Lowest city consumption
    14.2 L/100 km
    16.6 mpg US
    19.9 mpg UK
  • Lowest highway consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Largest trunk
    280 L
  • Best economy score
    80/100
  • Best practicality score
    31/100

Specification comparison

Specification comparison
ModelAston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8PorscheBoxster (981)Spyder 3.8
Power
436hp325kW
375hp280kW
Torque
490Nm361lb-ft
420Nm310lb-ft
Curb weight
1,690kg3,726lb
1,315kg2,899lb
Gross weight-
1,650kg3,638lb
Top speed
305 km/h
190 mph
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Calculated
To 99% top speed
73.2s99% target: 302 km/h / 188 mph
Calculated
61.8s99% target: 297 km/h / 185 mph
Calculated
0-100 km/h
4.8s
4.5s
0-200 km/h
14.4s
Calculated
13.2s
Calculated
0-60 mph
4.6s
Calculated
4.3s
Calculated
Fuel consumption
12.8L/100 km18.4mpg US22.1mpg UK
9.9L/100 km23.8mpg US28.5mpg UK
Fuel consumption city
19L/100 km12.4mpg US14.9mpg UK
14.2L/100 km16.6mpg US19.9mpg UK
Fuel consumption highway
9.2L/100 km25.6mpg US30.7mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Quarter mile
12.7s
Calculated
12.4s
Calculated
Power-to-weight
258hp/t192kW/t117hp/1000 lb
Calculated
285hp/t213kW/t129hp/1000 lb
Calculated
Torque-to-weight
290Nm/t194lb-ft/ton
Calculated
319Nm/t214lb-ft/ton
Calculated
Estimated range
625km388mi
Calculated
545km339mi
Calculated
Displacement
4,735cc289cu in
3,800cc232cu in
Length
4,385mm173in
4,414mm174in
Width
1,865mm73in
1,801mm71in
Height
1,270mm50in
1,262mm50in
Wheelbase
2,600mm102in
2,475mm97in
Front track
1,570mm62in
1,526mm60in
Rear track
1,590mm63in
1,540mm61in
Ground clearance-
106mm4in
Trunk volume
144L
280L
Doors
2
2
Seats
2
2
Fuel tank
80L
54L
CO2 emissions
296g/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.

Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8Porsche Boxster (981) Spyder 3.8PowerTorque
  • Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8: Power / Torque
  • Porsche Boxster (981) Spyder 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V87,300 rpm5,000 rpm7,550 rpm
PorscheBoxster (981)Spyder 3.86,700 rpm4,750-6,000 rpm6,950 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8PorscheBoxster (981)Spyder 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
4.3 s
0-100 km/h
0-62 mph
4.8 s
4.5 s
0-200 km/h
0-124 mph
14.4 s
13.2 s
Top speed
305 km/h
190 mph
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.5 s
1/8 mile
201 m
8.4 s
8.2 s
1000 ft
305 m
10.8 s
10.5 s
1/4 mile
402 m
12.7 s
12.4 s
Trap speed
1/4 mile
402 m
188 km/h
117 mph
194 km/h
120 mph

Power comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
436 hp
325 kW
PorscheBoxster (981)Spyder 3.8
375 hp
280 kW

Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8 has 61 hp more than Porsche Boxster (981) Spyder 3.8.

The biggest power difference is between Porsche Boxster (981) Spyder 3.8 and Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8: 61 hp (45 kW).

Torque comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
490 Nm
361 lb-ft
PorscheBoxster (981)Spyder 3.8
420 Nm
310 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
1,690 kg
3,726 lb
PorscheBoxster (981)Spyder 3.8
1,315 kg
2,899 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 RoadsterFacelift 2008N430 4.7 V8
305 km/h
190 mph
PorscheBoxster (981)Spyder 3.8
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 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 RoadsterFacelift 2008N430 4.7 V84.8 s
PorscheBoxster (981)Spyder 3.84.5 s

Although Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8 has more power, Porsche Boxster (981) Spyder 3.8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche Boxster (981) Spyder 3.8 and Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8: 0.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
PorscheBoxster (981)Spyder 3.8
9.9 L/100 km
23.8 mpg US
28.5 mpg UK

The biggest fuel consumption difference is between Porsche Boxster (981) Spyder 3.8 and Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8: 2.9 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
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
258 hp/t
192 kW/t
3.9 kg/hp
PorscheBoxster (981)Spyder 3.8
285 hp/t
213 kW/t
3.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
625 km
388 mi
PorscheBoxster (981)Spyder 3.8
545 km
339 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
436 hp
325 kW
4.8 s
305 km/h
190 mph
PorscheBoxster (981)Spyder 3.8
375 hp
280 kW
4.5 s
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 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 RoadsterFacelift 2008N430 4.7 V8
Power
436 hp
325 kW
0-100 km/h4.8 s
Top speed
305 km/h
190 mph
Doors/seats
2 doors
2 seats
Trunk
144 L
5.1 cu ft
Length
4,385 mm
172.6 in
Height
1,270 mm
50.0 in
PorscheBoxster (981)Spyder 3.8
Power
375 hp
280 kW
0-100 km/h4.5 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Doors/seats
2 doors
2 seats
Trunk
280 L
9.9 cu ft
Length
4,414 mm
173.8 in
Height
1,262 mm
49.7 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
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
Power
436 hp
325 kW
0-100 km/h4.8 s
Top speed
305 km/h
190 mph
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
PorscheBoxster (981)Spyder 3.8
Power
375 hp
280 kW
0-100 km/h4.5 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
9.9 L/100 km
23.8 mpg US
28.5 mpg UK

Porsche Boxster (981) Spyder 3.8 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
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
4.8 s
PorscheBoxster (981)Spyder 3.8
9.9 L/100 km
23.8 mpg US
28.5 mpg UK
4.5 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
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8
258 hp/t
192 kW/t
3.9 kg/hp
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
PorscheBoxster (981)Spyder 3.8
285 hp/t
213 kW/t
3.5 kg/hp
9.9 L/100 km
23.8 mpg US
28.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8PorscheBoxster (981)Spyder 3.8
Power
436 hp
325 kW
375 hp
280 kW
Torque
490 Nm
361 lb-ft
420 Nm
310 lb-ft
Acceleration
4.8 s
4.5 s
Top speed
305 km/h
190 mph
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Lightness
1,690 kg
3,726 lb
1,315 kg
2,899 lb
Fuel consumption
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
9.9 L/100 km
23.8 mpg US
28.5 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
144 L
5.1 cu ft
Length
4,385 mm
172.6 in
Height
1,270 mm
50.0 in
Doors/seats
2 doors
2 seats
Trunk
280 L
9.9 cu ft
Length
4,414 mm
173.8 in
Height
1,262 mm
49.7 in
Range score
625 km
388 mi
545 km
339 mi
CO2 score
296 g/km
-
Trunk score
144 L
5.1 cu ft
280 L
9.9 cu ft
Power-to-weight score
258 hp/t
192 kW/t
3.9 kg/hp
285 hp/t
213 kW/t
3.5 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
VehicleAston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8Porsche Boxster (981) Spyder 3.8
Consumption12.8 L/100 km18.4 mpg US22.1 mpg UK9.9 L/100 km23.8 mpg US28.5 mpg UK
Cost / 100 km22.40 LC100 km17.33 LC100 km
Cost / 100 mi36.05 LC100 mi27.88 LC100 mi
Annual fuel used1,920 L507 US gal422 UK gal1,485 L392 US gal327 UK gal
Annual fuel cost3,360 LC/year2,599 LC/year

Head-to-head comparisons

Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8

  • Has 61 hp more
  • Has 70 Nm more
  • Has 5 km/h (3 mph) higher top speed
  • Has 80 km (49 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Porsche Boxster (981) Spyder 3.8

  • Is 375 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 2.9 L/100 km less fuel
  • Has 27 hp/t better power-to-weight
  • Has 136 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Aston Martin V8 Vantage Roadster N430 4.7 V8
Porsche Boxster (981) Spyder 3.8
Compare selected cars
2 vehicles selected

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