Car comparison

Aston Martin DBX 4.0 V8vsPorsche Cayenne III Turbo 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
VS

Porsche Cayenne III

Turbo 4.0 V8

550 hp3996 ccGasolineAWDAutomaticTwin-turboSUV2017-2023

Comparison overview

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

Best choices

Porsche Cayenne III Turbo 4.0 V8

  • Quickest 0-100 km/h
    4.1 s
  • Highest torque
    770 Nm
    568 lb-ft
  • Lightest
    2,175 kg
    4,795 lb
  • Best power-to-weight
    253 hp/t
    189 kW/t
    4.0 kg/hp
  • Largest trunk
    745 L
  • Best overall score
    87/100
  • Best performance score
    85/100
  • Best economy score
    75/100
  • Best practicality score
    92/100

Specification comparison

Specification comparison
ModelAston MartinDBX4.0 V8PorscheCayenne IIITurbo 4.0 V8
Power
550hp410kW
550hp410kW
Torque
700Nm516lb-ft
770Nm568lb-ft
Curb weight
2,245kg4,949lb
2,175kg4,795lb
Gross weight-
2,935kg6,471lb
Top speed
291 km/h
181 mph
286 km/h
178 mph
To 99% top speed
61.8s99% target: 288 km/h / 179 mph
Calculated
57.1s99% target: 283 km/h / 176 mph
Calculated
0-100 km/h
4.5s
4.1s
0-200 km/h
13.7s
Calculated
12.8s
Calculated
0-60 mph
4.3s
Calculated
3.9s
Calculated
Fuel consumption-
11.9L/100 km19.8mpg US23.7mpg UK
Fuel consumption city-
16.4L/100 km14.3mpg US17.2mpg UK
Fuel consumption highway-
9.5L/100 km24.8mpg US29.7mpg UK
Quarter mile
12.4s
Calculated
12.0s
Calculated
Power-to-weight
245hp/t183kW/t111hp/1000 lb
Calculated
253hp/t189kW/t115hp/1000 lb
Calculated
Torque-to-weight
312Nm/t209lb-ft/ton
Calculated
354Nm/t237lb-ft/ton
Calculated
Estimated range-
756km470mi
Calculated
Displacement
3,982cc243cu in
3,996cc244cu in
Length
5,039mm198in
4,926mm194in
Width
1,998mm79in
1,983mm78in
Height
1,680mm66in
1,673mm66in
Wheelbase
3,060mm120in
2,895mm114in
Ground clearance
235mm9in
-
Trunk volume
632L
745L
Max trunk volume-
1,680L
Doors
5
5
Seats
5
5
Fuel tank
85L
90L
CO2 emissions
269g/km
272g/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 V8Porsche Cayenne III Turbo 4.0 V8PowerTorque
  • Aston Martin DBX 4.0 V8: Power / Torque
  • Porsche Cayenne III Turbo 4.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Aston MartinDBX4.0 V86,500 rpm2,200-5,000 rpm6,750 rpm
PorscheCayenne IIITurbo 4.0 V85,750-6,000 rpm1,960-4,500 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAston MartinDBX4.0 V8PorscheCayenne IIITurbo 4.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
3.9 s
0-100 km/h
0-62 mph
4.5 s
4.1 s
0-200 km/h
0-124 mph
13.7 s
12.8 s
Top speed
291 km/h
181 mph
286 km/h
178 mph
Drag race simulation
60 ft
18 m
2.2 s
2.0 s
330 ft
101 m
5.5 s
5.3 s
1/8 mile
201 m
8.2 s
7.9 s
1000 ft
305 m
10.5 s
10.2 s
1/4 mile
402 m
12.4 s
12.0 s
Trap speed
1/4 mile
402 m
191 km/h
119 mph
194 km/h
121 mph

Power comparison

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

Chart data table
VehicleValue
Aston MartinDBX4.0 V8
550 hp
410 kW
PorscheCayenne IIITurbo 4.0 V8
550 hp
410 kW

Torque comparison

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

Chart data table
VehicleValue
Aston MartinDBX4.0 V8
700 Nm
516 lb-ft
PorscheCayenne IIITurbo 4.0 V8
770 Nm
568 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Aston MartinDBX4.0 V8
2,245 kg
4,949 lb
PorscheCayenne IIITurbo 4.0 V8
2,175 kg
4,795 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 MartinDBX4.0 V8
291 km/h
181 mph
PorscheCayenne IIITurbo 4.0 V8
286 km/h
178 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Aston MartinDBX4.0 V84.5 s
PorscheCayenne IIITurbo 4.0 V84.1 s

The biggest 0-100 km/h difference is between Porsche Cayenne III Turbo 4.0 V8 and Aston Martin DBX 4.0 V8: 0.4 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
Aston MartinDBX4.0 V8
245 hp/t
183 kW/t
4.1 kg/hp
PorscheCayenne IIITurbo 4.0 V8
253 hp/t
189 kW/t
4.0 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Aston MartinDBX4.0 V8
550 hp
410 kW
4.5 s
291 km/h
181 mph
PorscheCayenne IIITurbo 4.0 V8
550 hp
410 kW
4.1 s
286 km/h
178 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 MartinDBX4.0 V8
Power
550 hp
410 kW
0-100 km/h4.5 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
PorscheCayenne IIITurbo 4.0 V8
Power
550 hp
410 kW
0-100 km/h4.1 s
Top speed
286 km/h
178 mph
Doors/seats
5 doors
5 seats
Trunk
745 L
26.3 cu ft
Length
4,926 mm
193.9 in
Height
1,673 mm
65.9 in

Detailed score breakdown

Detailed score breakdown
VehicleAston MartinDBX4.0 V8PorscheCayenne IIITurbo 4.0 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
4.1 s
Top speed
291 km/h
181 mph
286 km/h
178 mph
Lightness
2,245 kg
4,949 lb
2,175 kg
4,795 lb
Fuel consumption
-
11.9 L/100 km
19.8 mpg US
23.7 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
5 seats
Trunk
745 L
26.3 cu ft
Length
4,926 mm
193.9 in
Height
1,673 mm
65.9 in
Range score
-
756 km
470 mi
CO2 score
269 g/km
272 g/km
Trunk score
632 L
22.3 cu ft
745 L
26.3 cu ft
Power-to-weight score
245 hp/t
183 kW/t
4.1 kg/hp
253 hp/t
189 kW/t
4.0 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
VehiclePorsche Cayenne III Turbo 4.0 V8
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK
Cost / 100 km20.83 LC100 km
Cost / 100 mi33.51 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal
Annual fuel cost3,124 LC/year

Head-to-head comparisons

Aston Martin DBX 4.0 V8

  • Has 5 km/h (3 mph) higher top speed
  • Emits 3 g/km less CO2

Pros

  • Highest top speed
  • Most powerful

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Smallest trunk

Porsche Cayenne III Turbo 4.0 V8

  • Has 70 Nm more
  • Is 70 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 8 hp/t better power-to-weight
  • Has 113 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest torque
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Aston Martin DBX 4.0 V8
Porsche Cayenne III Turbo 4.0 V8
Compare selected cars
2 vehicles selected

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