Car comparison

Aston Martin DBX 4.0 V8vsBentley Bentayga 4.0 V8

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

New comparison

Aston Martin DBX

4.0 V8

550 hp3982 ccGasolineAWDAutomaticTwin-turboSUV2020-2024

Bentley Bentayga

4.0 V8

550 hp3996 ccGasolineAWDAutomaticTwin-turboSUV2018-2020

Comparison overview

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

Aston Martin DBX 4.0 V8

Quickest 0-100 km/h
4.5 s
Fastest top speed
291 km/h
181 mph
Most powerful
550 hp
410 kW
Lightest
2,245 kg
4,949 lb
Best power-to-weight
245 hp/t
183 kW/t
4.1 kg/hp
Largest trunk
632 L
Best overall score
86/100
Best performance score
84/100
Best practicality score
90/100

Bentley Bentayga 4.0 V8

Highest torque
770 Nm
568 lb-ft
Best economy score
76/100

Specification comparison

Specification comparison
Model	Aston MartinDBX4.0 V8	BentleyBentayga4.0 V8
Power	550hp410kW	550hp410kW
Torque	700Nm516lb-ft	770Nm568lb-ft
Curb weight	2,245kg4,949lb	2,428kg5,353lb
Gross weight	-	3,250kg7,165lb
Top speed	291 km/h 181 mph	290 km/h 180 mph
To 99% top speed	61.8s99% target: 288 km/h / 179 mph Calculated	69.9s99% target: 287 km/h / 178 mph Calculated
0-100 km/h	4.5s	4.5s
0-200 km/h	13.7s Calculated	14.5s Calculated
0-60 mph	4.3s Calculated	4.3s Calculated
Fuel consumption	-	11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption city	-	15.6L/100 km15.1mpg US18.1mpg UK
Fuel consumption highway	-	9L/100 km26.1mpg US31.4mpg UK
Quarter mile	12.4s Calculated	12.5s Calculated
Power-to-weight	245hp/t183kW/t111hp/1000 lb Calculated	227hp/t169kW/t103hp/1000 lb Calculated
Torque-to-weight	312Nm/t209lb-ft/ton Calculated	317Nm/t212lb-ft/ton Calculated
Estimated range	-	746km463mi Calculated
Displacement	3,982cc243cu in	3,996cc244cu in
Length	5,039mm198in	5,140mm202in
Width	1,998mm79in	1,998mm79in
Height	1,680mm66in	1,742mm69in
Wheelbase	3,060mm120in	2,995mm118in
Ground clearance	235mm9in	-
Trunk volume	632L	215L
Max trunk volume	-	1,774L
Doors	5	5
Seats	5	7
Fuel tank	85L	85L
CO2 emissions	269g/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 DBX 4.0 V8Bentley Bentayga 4.0 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Aston MartinDBX4.0 V8	6,500 rpm	2,200-5,000 rpm	6,750 rpm
BentleyBentayga4.0 V8	6,000 rpm	1,960-4,500 rpm	6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Aston MartinDBX4.0 V8	BentleyBentayga4.0 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.3 s	4.3 s
0-100 km/h 0-62 mph	4.5 s	4.5 s
0-200 km/h 0-124 mph	13.7 s	14.5 s
Top speed	291 km/h 181 mph	290 km/h 180 mph
	Drag race simulation
60 ft 18 m	2.2 s	2.1 s
330 ft 101 m	5.5 s	5.5 s
1/8 mile 201 m	8.2 s	8.2 s
1000 ft 305 m	10.5 s	10.6 s
1/4 mile 402 m	12.4 s	12.5 s
Trap speed 1/4 mile 402 m	191 km/h 119 mph	187 km/h 116 mph

Power comparison

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

Chart data table
Vehicle	Value
Aston MartinDBX4.0 V8	550 hp 410 kW
BentleyBentayga4.0 V8	550 hp 410 kW

Torque comparison

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

Chart data table
Vehicle	Value
Aston MartinDBX4.0 V8	700 Nm 516 lb-ft
BentleyBentayga4.0 V8	770 Nm 568 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Aston MartinDBX4.0 V8	2,245 kg 4,949 lb
BentleyBentayga4.0 V8	2,428 kg 5,353 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 MartinDBX4.0 V8	291 km/h 181 mph
BentleyBentayga4.0 V8	290 km/h 180 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Aston MartinDBX4.0 V8	4.5 s
BentleyBentayga4.0 V8	4.5 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 MartinDBX4.0 V8	245 hp/t 183 kW/t 4.1 kg/hp
BentleyBentayga4.0 V8	227 hp/t 169 kW/t 4.4 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Aston MartinDBX4.0 V8	550 hp 410 kW	4.5 s	291 km/h 181 mph
BentleyBentayga4.0 V8	550 hp 410 kW	4.5 s	290 km/h 180 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 MartinDBX4.0 V8

Power	550 hp 410 kW
0-100 km/h	4.5 s
Top speed 291 km/h 181 mph

Doors/seats	5 doors 5 seats
Trunk	632 L 22.3 cu ft
Length	5,039 mm 198.4 in
Height	1,680 mm 66.1 in

BentleyBentayga4.0 V8

Power	550 hp 410 kW
0-100 km/h	4.5 s
Top speed 290 km/h 180 mph

Doors/seats	5 doors 7 seats
Trunk	215 L 7.6 cu ft
Length	5,140 mm 202.4 in
Height	1,742 mm 68.6 in

Detailed score breakdown

Vehicle

Aston MartinDBX4.0 V8

BentleyBentayga4.0 V8

Power

550 hp

410 kW

550 hp

410 kW

Torque

700 Nm

516 lb-ft

770 Nm

568 lb-ft

Acceleration

4.5 s

Top speed

291 km/h

181 mph

290 km/h

180 mph

Lightness

2,245 kg

4,949 lb

2,428 kg

5,353 lb

Fuel consumption

11.4 L/100 km

20.6 mpg US

24.8 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	632 L 22.3 cu ft
Length	5,039 mm 198.4 in
Height	1,680 mm 66.1 in

Doors/seats	5 doors 7 seats
Trunk	215 L 7.6 cu ft
Length	5,140 mm 202.4 in
Height	1,742 mm 68.6 in

Range score

746 km

463 mi

CO2 score

269 g/km

Trunk score

632 L

22.3 cu ft

215 L

7.6 cu ft

Power-to-weight score

245 hp/t

183 kW/t

4.1 kg/hp

227 hp/t

169 kW/t

4.4 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	Bentley Bentayga 4.0 V8
Consumption	11.4 L/100 km20.6 mpg US24.8 mpg UK
Cost / 100 km	19.95 LC100 km
Cost / 100 mi	32.11 LC100 mi
Annual fuel used	1,710 L452 US gal376 UK gal
Annual fuel cost	2,993 LC/year