Car comparison

Porsche Cayenne III Turbo 4.0 V8vsAlfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6

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

New comparison

Porsche Cayenne III

Turbo 4.0 V8

550 hp3996 ccGasolineAWDAutomaticTwin-turboSUV2017-2023
VS

Comparison overview

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

Best choices

Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6

  • Quickest 0-100 km/h
    3.8 s
  • Lightest
    1,830 kg
    4,034 lb
  • Best power-to-weight
    279 hp/t
    208 kW/t
    3.6 kg/hp
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    11.7 L/100 km
    20.1 mpg US
    24.1 mpg UK
  • Lowest highway consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Lowest CO2 emissions
    210 g/km
  • Best economy score
    83/100

Porsche Cayenne III Turbo 4.0 V8

  • Fastest top speed
    286 km/h
    178 mph
  • Most powerful
    550 hp
    410 kW
  • Highest torque
    770 Nm
    568 lb-ft
  • Best estimated range
    756 km
    470 mi
  • Best overall score
    87/100
  • Best performance score
    85/100
  • Best practicality score
    92/100

Specification comparison

Specification comparison
ModelPorscheCayenne IIITurbo 4.0 V8Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
Power
550hp410kW
510hp380kW
Torque
770Nm568lb-ft
600Nm443lb-ft
Curb weight
2,175kg4,795lb
1,830kg4,034lb
Gross weight
2,935kg6,471lb
-
Top speed
286 km/h
178 mph
283 km/h
176 mph
To 99% top speed
57.2s99% target: 283 km/h / 176 mph
Calculated
45.3s99% target: 280 km/h / 174 mph
Calculated
0-100 km/h
4.1s
3.8s
0-200 km/h
12.8s
Calculated
11.3s
Calculated
0-60 mph
3.9s
Calculated
3.6s
Calculated
Fuel consumption
11.9L/100 km19.8mpg US23.7mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city
16.4L/100 km14.3mpg US17.2mpg UK
11.7L/100 km20.1mpg US24.1mpg UK
Fuel consumption highway
9.5L/100 km24.8mpg US29.7mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Quarter mile
12.0s
Calculated
11.6s
Calculated
Power-to-weight
253hp/t189kW/t115hp/1000 lb
Calculated
279hp/t208kW/t126hp/1000 lb
Calculated
Torque-to-weight
354Nm/t237lb-ft/ton
Calculated
328Nm/t219lb-ft/ton
Calculated
Estimated range
756km470mi
Calculated
711km442mi
Calculated
Displacement
3,996cc244cu in
2,891cc176cu in
Length
4,926mm194in
4,702mm185in
Width
1,983mm78in
-
Height
1,673mm66in
1,681mm66in
Wheelbase
2,895mm114in
2,818mm111in
Front track-
1,622mm64in
Rear track-
1,675mm66in
Trunk volume
745L
-
Max trunk volume
1,680L
-
Doors
5
5
Seats
5
5
Fuel tank
90L
64L
CO2 emissions
272g/km
210g/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.

Porsche Cayenne III Turbo 4.0 V8Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6PowerTorque
  • Porsche Cayenne III Turbo 4.0 V8: Power / Torque
  • Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheCayenne IIITurbo 4.0 V85,750-6,000 rpm1,960-4,500 rpm6,250 rpm
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V66,500 rpm2,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayenne IIITurbo 4.0 V8Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
Acceleration checkpoints
0-60 mph
0-97 km/h
3.9 s
3.6 s
0-100 km/h
0-62 mph
4.1 s
3.8 s
0-200 km/h
0-124 mph
12.8 s
11.3 s
Top speed
286 km/h
178 mph
283 km/h
176 mph
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
330 ft
101 m
5.3 s
5.2 s
1/8 mile
201 m
7.9 s
7.7 s
1000 ft
305 m
10.2 s
9.8 s
1/4 mile
402 m
12.0 s
11.6 s
Trap speed
1/4 mile
402 m
194 km/h
121 mph
203 km/h
126 mph

Power comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
550 hp
410 kW
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
510 hp
380 kW

Porsche Cayenne III Turbo 4.0 V8 has 40 hp more than Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6.

The biggest power difference is between Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6 and Porsche Cayenne III Turbo 4.0 V8: 40 hp (30 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
770 Nm
568 lb-ft
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
600 Nm
443 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
2,175 kg
4,795 lb
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
1,830 kg
4,034 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
286 km/h
178 mph
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
283 km/h
176 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V84.1 s
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V63.8 s

Although Porsche Cayenne III Turbo 4.0 V8 has more power, Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6 and Porsche Cayenne III Turbo 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
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6 and Porsche Cayenne III Turbo 4.0 V8: 2.9 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
253 hp/t
189 kW/t
4.0 kg/hp
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
279 hp/t
208 kW/t
3.6 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
PorscheCayenne IIITurbo 4.0 V8
756 km
470 mi
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
711 km
442 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheCayenne IIITurbo 4.0 V8
550 hp
410 kW
4.1 s
286 km/h
178 mph
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
510 hp
380 kW
3.8 s
283 km/h
176 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
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
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
Power
510 hp
380 kW
0-100 km/h3.8 s
Top speed
283 km/h
176 mph
Doors/seats
5 doors
5 seats
Trunk-
Length
4,702 mm
185.1 in
Height
1,681 mm
66.2 in

Performance vs fuel economy

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

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
PorscheCayenne IIITurbo 4.0 V8
Power
550 hp
410 kW
0-100 km/h4.1 s
Top speed
286 km/h
178 mph
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
Power
510 hp
380 kW
0-100 km/h3.8 s
Top speed
283 km/h
176 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6 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
VehicleFuel consumption, L/100 km0-100 km/h, s
PorscheCayenne IIITurbo 4.0 V8
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
4.1 s
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
3.8 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
PorscheCayenne IIITurbo 4.0 V8
253 hp/t
189 kW/t
4.0 kg/hp
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
279 hp/t
208 kW/t
3.6 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheCayenne IIITurbo 4.0 V8Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
Power
550 hp
410 kW
510 hp
380 kW
Torque
770 Nm
568 lb-ft
600 Nm
443 lb-ft
Acceleration
4.1 s
3.8 s
Top speed
286 km/h
178 mph
283 km/h
176 mph
Lightness
2,175 kg
4,795 lb
1,830 kg
4,034 lb
Fuel consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Practicality
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
Doors/seats
5 doors
5 seats
Trunk-
Length
4,702 mm
185.1 in
Height
1,681 mm
66.2 in
Range score
756 km
470 mi
711 km
442 mi
CO2 score
272 g/km
210 g/km
Trunk score
745 L
26.3 cu ft
-
Power-to-weight score
253 hp/t
189 kW/t
4.0 kg/hp
279 hp/t
208 kW/t
3.6 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 V8Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK9 L/100 km26.1 mpg US31.4 mpg UK
Cost / 100 km20.83 LC100 km15.75 LC100 km
Cost / 100 mi33.51 LC100 mi25.35 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal1,350 L357 US gal297 UK gal
Annual fuel cost3,124 LC/year2,363 LC/year

Head-to-head comparisons

Porsche Cayenne III Turbo 4.0 V8

  • Has 40 hp more
  • Has 170 Nm more
  • Has 3 km/h (2 mph) higher top speed
  • Has 45 km (28 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6

  • Is 345 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 2.9 L/100 km less fuel
  • Has 26 hp/t better power-to-weight
  • Emits 62 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Cayenne III Turbo 4.0 V8
Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6
Compare selected cars
2 vehicles selected

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