Car comparison

Aston Martin V8 Vantage Roadster · Facelift 2008 N430 4.7 V8vsBristol Bullet 4.8 V8

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 ccGasolineRWDManualNaturally aspiratedRoadster2015-2016

Bristol Bullet

4.8 V8

374 hp4799 ccGasolineRWDAutomaticNaturally aspiratedRoadster2017-present

Comparison overview

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

Bristol Bullet 4.8 V8

Quickest 0-100 km/h
3.8 s
Highest torque
502 Nm
370 lb-ft
Lightest
1,100 kg
2,425 lb
Best power-to-weight
340 hp/t
254 kW/t
2.9 kg/hp
Best practicality score
31/100

Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8

Fastest top speed
305 km/h
190 mph
Most powerful
436 hp
325 kW
Best overall score
62/100
Best performance score
79/100
Best economy score
70/100

Specification comparison

Specification comparison
Model	Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	BristolBullet4.8 V8
Power	436hp325kW	374hp279kW
Torque	490Nm361lb-ft	502Nm370lb-ft
Curb weight	1,690kg3,726lb	1,100kg2,425lb
Gross weight	-	1,250kg2,756lb
Top speed	305 km/h 190 mph	249 km/h 155 mph
To 99% top speed	73.2s99% target: 302 km/h / 188 mph Calculated	37.2s99% target: 247 km/h / 153 mph Calculated
0-100 km/h	4.8s	3.8s
0-200 km/h	14.4s Calculated	12.6s Calculated
0-60 mph	4.6s Calculated	3.6s Calculated
Fuel consumption	13.8L/100 km17mpg US20.5mpg UK	-
Fuel consumption city	19.6L/100 km12mpg US14.4mpg UK	-
Fuel consumption highway	10.4L/100 km22.6mpg US27.2mpg UK	-
Quarter mile	12.7s Calculated	11.8s Calculated
Power-to-weight	258hp/t192kW/t117hp/1000 lb Calculated	340hp/t254kW/t154hp/1000 lb Calculated
Torque-to-weight	290Nm/t194lb-ft/ton Calculated	456Nm/t305lb-ft/ton Calculated
Estimated range	580km360mi Calculated	-
Displacement	4,735cc289cu in	4,799cc293cu in
Length	4,385mm173in	4,200mm165in
Width	1,865mm73in	1,860mm73in
Height	1,270mm50in	1,200mm47in
Wheelbase	2,600mm102in	2,553mm101in
Front track	1,570mm62in	-
Rear track	1,590mm63in	-
Trunk volume	144L	-
Doors	2	2
Seats	2	2
Fuel tank	80L	55L
CO2 emissions	321g/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 V8Bristol Bullet 4.8 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	7,300 rpm	5,000 rpm	7,550 rpm
BristolBullet4.8 V8	6,300 rpm	3,400 rpm	6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	BristolBullet4.8 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.6 s	3.6 s
0-100 km/h 0-62 mph	4.8 s	3.8 s
0-200 km/h 0-124 mph	14.4 s	12.6 s
Top speed	305 km/h 190 mph	249 km/h 155 mph
	Drag race simulation
60 ft 18 m	2.2 s	2.0 s
330 ft 101 m	5.7 s	5.2 s
1/8 mile 201 m	8.4 s	7.7 s
1000 ft 305 m	10.8 s	9.9 s
1/4 mile 402 m	12.7 s	11.8 s
Trap speed 1/4 mile 402 m	188 km/h 117 mph	195 km/h 121 mph

Power comparison

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

Chart data table
Vehicle	Value
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	436 hp 325 kW
BristolBullet4.8 V8	374 hp 279 kW

Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8 has 62 hp more than Bristol Bullet 4.8 V8.

The biggest power difference is between Bristol Bullet 4.8 V8 and Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8: 62 hp (46 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	490 Nm 361 lb-ft
BristolBullet4.8 V8	502 Nm 370 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	1,690 kg 3,726 lb
BristolBullet4.8 V8	1,100 kg 2,425 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	305 km/h 190 mph
BristolBullet4.8 V8	249 km/h 155 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	4.8 s
BristolBullet4.8 V8	3.8 s

Although Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8 has more power, Bristol Bullet 4.8 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Bristol Bullet 4.8 V8 and Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8: 1.0 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	258 hp/t 192 kW/t 3.9 kg/hp
BristolBullet4.8 V8	340 hp/t 254 kW/t 2.9 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8	436 hp 325 kW	4.8 s	305 km/h 190 mph
BristolBullet4.8 V8	374 hp 279 kW	3.8 s	249 km/h 155 mph

Most attractive quadrant

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

Vehicle

Performance score

Practicality score

Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8

Power	436 hp 325 kW
0-100 km/h	4.8 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

BristolBullet4.8 V8

Power	374 hp 279 kW
0-100 km/h	3.8 s
Top speed 249 km/h 155 mph

Doors/seats	2 doors 2 seats
Trunk	-
Length	4,200 mm 165.4 in
Height	1,200 mm 47.2 in

Detailed score breakdown

Vehicle

Aston MartinV8 Vantage RoadsterFacelift 2008N430 4.7 V8

BristolBullet4.8 V8

Power

436 hp

325 kW

374 hp

279 kW

Torque

490 Nm

361 lb-ft

502 Nm

370 lb-ft

Acceleration

4.8 s

3.8 s

Top speed

305 km/h

190 mph

249 km/h

155 mph

Lightness

1,690 kg

3,726 lb

1,100 kg

2,425 lb

Fuel consumption

13.8 L/100 km

17.0 mpg US

20.5 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	-
Length	4,200 mm 165.4 in
Height	1,200 mm 47.2 in

Range score

580 km

360 mi

CO2 score

321 g/km

Trunk score

144 L

5.1 cu ft

Power-to-weight score

258 hp/t

192 kW/t

3.9 kg/hp

340 hp/t

254 kW/t

2.9 kg/hp

Overall

Fixed score

Fuel cost and annual usage

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

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Aston Martin V8 Vantage Roadster Facelift 2008 N430 4.7 V8
Consumption	13.8 L/100 km17 mpg US20.5 mpg UK
Cost / 100 km	24.15 LC100 km
Cost / 100 mi	38.87 LC100 mi
Annual fuel used	2,070 L547 US gal455 UK gal
Annual fuel cost	3,623 LC/year