Car comparison

Aston Martin DBX 707 4.0 V8vsBentley Bentayga · Facelift 2020 Speed 4.0 V8

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

New comparison

Aston Martin DBX

707 4.0 V8

707 hp3982 ccGasolineAWDAutomaticTwin-turboSUV2022-present

Bentley Bentayga · Facelift 2020

Speed 4.0 V8

650 hp3996 ccGasolineAWDAutomaticTurbochargedSUV2025-present

Comparison overview

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

Aston Martin DBX 707 4.0 V8

Quickest 0-100 km/h
3.3 s
Fastest top speed
320 km/h
199 mph Unrestricted
310 km/h
193 mph Restricted
Most powerful
707 hp
527 kW
Highest torque
900 Nm
664 lb-ft
Lightest
2,245 kg
4,949 lb
Best power-to-weight
315 hp/t
235 kW/t
3.2 kg/hp
Lowest combined fuel consumption
14.2 L/100 km
16.6 mpg US
19.9 mpg UK
Largest trunk
638 L
Best overall score
91/100
Best performance score
91/100
Best economy score
69/100
Best practicality score
90/100

Specification comparison

Specification comparison
Model	Aston MartinDBX707 4.0 V8	BentleyBentaygaFacelift 2020Speed 4.0 V8
Power	707hp527kW	650hp485kW
Torque	900Nm664lb-ft	850Nm627lb-ft
Curb weight	2,245kg4,949lb	2,391kg5,271lb
Gross weight	3,020kg6,658lb	3,000kg6,614lb
Top speed	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph Calculated	310 km/h 193 mph
To 99% top speed	45.7s99% target: 317 km/h / 197 mph Calculated	55.0s99% target: 307 km/h / 191 mph Calculated
0-100 km/h	3.3s	3.6s
0-200 km/h	9.0s Calculated	10.6s Calculated
0-60 mph	3.2s Calculated	3.4s Calculated
Fuel consumption	14.2L/100 km16.6mpg US19.9mpg UK	14.7L/100 km16mpg US19.2mpg UK
Fuel consumption city	-	16.8L/100 km14mpg US16.8mpg UK
Fuel consumption highway	-	11.2L/100 km21mpg US25.2mpg UK
Quarter mile	10.8s Calculated	11.4s Calculated
Power-to-weight	315hp/t235kW/t143hp/1000 lb Calculated	272hp/t203kW/t123hp/1000 lb Calculated
Torque-to-weight	401Nm/t268lb-ft/ton Calculated	355Nm/t238lb-ft/ton Calculated
Estimated range	-	578km359mi Calculated
Displacement	3,982cc243cu in	3,996cc244cu in
Length	5,039mm198in	5,144mm203in
Width	1,998mm79in	1,998mm79in
Height	1,680mm66in	1,728mm68in
Wheelbase	3,060mm120in	2,995mm118in
Front track	1,698mm67in	1,689mm66in
Rear track	1,664mm66in	1,707mm67in
Ground clearance	235mm9in	-
Trunk volume	638L	484L
Doors	5	5
Seats	5	5
Fuel tank	-	85L

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 707 4.0 V8Bentley Bentayga Facelift 2020 Speed 4.0 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Aston MartinDBX707 4.0 V8	6,000 rpm	2,600-4,500 rpm	6,250 rpm
BentleyBentaygaFacelift 2020Speed 4.0 V8	6,000 rpm	2,250-4,500 rpm	6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Aston MartinDBX707 4.0 V8	BentleyBentaygaFacelift 2020Speed 4.0 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.2 s	3.4 s
0-100 km/h 0-62 mph	3.3 s	3.6 s
0-200 km/h 0-124 mph	9.0 s	10.6 s
Top speed	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph Likely limited	310 km/h 193 mph
	Drag race simulation
60 ft 18 m	1.9 s	1.9 s
330 ft 101 m	4.9 s	5.0 s
1/8 mile 201 m	7.2 s	7.5 s
1000 ft 305 m	9.2 s	9.6 s
1/4 mile 402 m	10.8 s	11.4 s
Trap speed 1/4 mile 402 m	220 km/h 137 mph	207 km/h 129 mph

Power comparison

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

Chart data table
Vehicle	Value
Aston MartinDBX707 4.0 V8	707 hp 527 kW
BentleyBentaygaFacelift 2020Speed 4.0 V8	650 hp 485 kW

Aston Martin DBX 707 4.0 V8 has 57 hp more than Bentley Bentayga Facelift 2020 Speed 4.0 V8.

The biggest power difference is between Bentley Bentayga Facelift 2020 Speed 4.0 V8 and Aston Martin DBX 707 4.0 V8: 57 hp (43 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Aston MartinDBX707 4.0 V8	900 Nm 664 lb-ft
BentleyBentaygaFacelift 2020Speed 4.0 V8	850 Nm 627 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Aston MartinDBX707 4.0 V8	2,245 kg 4,949 lb
BentleyBentaygaFacelift 2020Speed 4.0 V8	2,391 kg 5,271 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 MartinDBX707 4.0 V8	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph
BentleyBentaygaFacelift 2020Speed 4.0 V8	310 km/h 193 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Aston MartinDBX707 4.0 V8	3.3 s
BentleyBentaygaFacelift 2020Speed 4.0 V8	3.6 s

The biggest 0-100 km/h difference is between Aston Martin DBX 707 4.0 V8 and Bentley Bentayga Facelift 2020 Speed 4.0 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
Vehicle	Value
Aston MartinDBX707 4.0 V8	14.2 L/100 km 16.6 mpg US 19.9 mpg UK
BentleyBentaygaFacelift 2020Speed 4.0 V8	14.7 L/100 km 16.0 mpg US 19.2 mpg UK

The biggest fuel consumption difference is between Aston Martin DBX 707 4.0 V8 and Bentley Bentayga Facelift 2020 Speed 4.0 V8: 0.5 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Aston MartinDBX707 4.0 V8	315 hp/t 235 kW/t 3.2 kg/hp
BentleyBentaygaFacelift 2020Speed 4.0 V8	272 hp/t 203 kW/t 3.7 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Aston MartinDBX707 4.0 V8	707 hp 527 kW	3.3 s	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph
BentleyBentaygaFacelift 2020Speed 4.0 V8	650 hp 485 kW	3.6 s	310 km/h 193 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 MartinDBX707 4.0 V8

Power	707 hp 527 kW
0-100 km/h	3.3 s
Top speed Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph

Doors/seats	5 doors 5 seats
Trunk	638 L 22.5 cu ft
Length	5,039 mm 198.4 in
Height	1,680 mm 66.1 in

BentleyBentaygaFacelift 2020Speed 4.0 V8

Power	650 hp 485 kW
0-100 km/h	3.6 s
Top speed 310 km/h 193 mph

Doors/seats	5 doors 5 seats
Trunk	484 L 17.1 cu ft
Length	5,144 mm 202.5 in
Height	1,728 mm 68.0 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

Aston MartinDBX707 4.0 V8

Power	707 hp 527 kW
0-100 km/h	3.3 s
Top speed Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph

14.2 L/100 km

16.6 mpg US

19.9 mpg UK

BentleyBentaygaFacelift 2020Speed 4.0 V8

Power	650 hp 485 kW
0-100 km/h	3.6 s
Top speed 310 km/h 193 mph

14.7 L/100 km

16.0 mpg US

19.2 mpg UK

Aston Martin DBX 707 4.0 V8 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Aston MartinDBX707 4.0 V8	14.2 L/100 km 16.6 mpg US 19.9 mpg UK	3.3 s
BentleyBentaygaFacelift 2020Speed 4.0 V8	14.7 L/100 km 16.0 mpg US 19.2 mpg UK	3.6 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Aston MartinDBX707 4.0 V8	315 hp/t 235 kW/t 3.2 kg/hp	14.2 L/100 km 16.6 mpg US 19.9 mpg UK
BentleyBentaygaFacelift 2020Speed 4.0 V8	272 hp/t 203 kW/t 3.7 kg/hp	14.7 L/100 km 16.0 mpg US 19.2 mpg UK

Detailed score breakdown

Vehicle

Aston MartinDBX707 4.0 V8

BentleyBentaygaFacelift 2020Speed 4.0 V8

Power

707 hp

527 kW

650 hp

485 kW

Torque

900 Nm

664 lb-ft

850 Nm

627 lb-ft

Acceleration

3.3 s

3.6 s

Top speed

Unrestricted

320 km/h199 mph

Restricted

310 km/h193 mph

310 km/h

193 mph

Lightness

2,245 kg

4,949 lb

2,391 kg

5,271 lb

Fuel consumption

14.2 L/100 km

16.6 mpg US

19.9 mpg UK

14.7 L/100 km

16.0 mpg US

19.2 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	638 L 22.5 cu ft
Length	5,039 mm 198.4 in
Height	1,680 mm 66.1 in

Doors/seats	5 doors 5 seats
Trunk	484 L 17.1 cu ft
Length	5,144 mm 202.5 in
Height	1,728 mm 68.0 in

Range score

578 km

359 mi

Trunk score

638 L

22.5 cu ft

484 L

17.1 cu ft

Power-to-weight score

315 hp/t

235 kW/t

3.2 kg/hp

272 hp/t

203 kW/t

3.7 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 DBX 707 4.0 V8	Bentley Bentayga Facelift 2020 Speed 4.0 V8
Consumption	14.2 L/100 km16.6 mpg US19.9 mpg UK	14.7 L/100 km16 mpg US19.2 mpg UK
Cost / 100 km	24.85 LC100 km	25.72 LC100 km
Cost / 100 mi	39.99 LC100 mi	41.40 LC100 mi
Annual fuel used	2,130 L563 US gal469 UK gal	2,205 L582 US gal485 UK gal
Annual fuel cost	3,728 LC/year	3,859 LC/year