Car comparison

Aston Martin DBX S 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

S 4.0 V8

727 hp3982 ccGasolineAWDAutomaticTwin-turboSUV2025-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 S 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
727 hp
542 kW
Highest torque
900 Nm
664 lb-ft
Lightest
2,198 kg
4,846 lb
Best power-to-weight
331 hp/t
247 kW/t
3.0 kg/hp
Best overall score
91/100
Best performance score
92/100
Best practicality score
90/100

Bentley Bentayga Facelift 2020 Speed 4.0 V8

Best economy score
67/100

Specification comparison

Specification comparison
Model	Aston MartinDBXS 4.0 V8	BentleyBentaygaFacelift 2020Speed 4.0 V8
Power	727hp542kW	650hp485kW
Torque	900Nm664lb-ft	850Nm627lb-ft
Curb weight	2,198kg4,846lb	2,391kg5,271lb
Gross weight	-	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	45.0s99% 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	-	14.7L/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	331hp/t247kW/t150hp/1000 lb Calculated	272hp/t203kW/t123hp/1000 lb Calculated
Torque-to-weight	409Nm/t274lb-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	-	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 S 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 MartinDBXS 4.0 V8	6,250 rpm	3,000-5,250 rpm	6,500 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 MartinDBXS 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	221 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 MartinDBXS 4.0 V8	727 hp 542 kW
BentleyBentaygaFacelift 2020Speed 4.0 V8	650 hp 485 kW

Aston Martin DBX S 4.0 V8 has 77 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 S 4.0 V8: 77 hp (57 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Aston MartinDBXS 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 MartinDBXS 4.0 V8	2,198 kg 4,846 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 MartinDBXS 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 MartinDBXS 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 S 4.0 V8 and Bentley Bentayga Facelift 2020 Speed 4.0 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
Vehicle	Value
Aston MartinDBXS 4.0 V8	331 hp/t 247 kW/t 3.0 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 MartinDBXS 4.0 V8	727 hp 542 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 MartinDBXS 4.0 V8

Power	727 hp 542 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	-
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

Detailed score breakdown

Vehicle

Aston MartinDBXS 4.0 V8

BentleyBentaygaFacelift 2020Speed 4.0 V8

Power

727 hp

542 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

2,198 kg

4,846 lb

2,391 kg

5,271 lb

Fuel consumption

14.7 L/100 km

16.0 mpg US

19.2 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	-
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

484 L

17.1 cu ft

Power-to-weight score

331 hp/t

247 kW/t

3.0 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	Bentley Bentayga Facelift 2020 Speed 4.0 V8
Consumption	14.7 L/100 km16 mpg US19.2 mpg UK
Cost / 100 km	25.72 LC100 km
Cost / 100 mi	41.40 LC100 mi
Annual fuel used	2,205 L582 US gal485 UK gal
Annual fuel cost	3,859 LC/year