Car comparison

Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6vsPorsche Cayenne II · Facelift 2014 Turbo 4.8 V8

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

New comparison
VS

Porsche Cayenne II · Facelift 2014

Turbo 4.8 V8

520 hp4806 ccGasolineAWDAutomaticTwin-turboSUV2014-2017

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
  • Fastest top speed
    283 km/h
    176 mph
  • 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 overall score
    86/100
  • Best performance score
    85/100
  • Best economy score
    83/100

Specification comparison

Specification comparison
ModelAlfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6PorscheCayenne IIFacelift 2014Turbo 4.8 V8
Power
510hp380kW
520hp388kW
Torque
600Nm443lb-ft
750Nm553lb-ft
Curb weight
1,830kg4,034lb
2,185kg4,817lb
Gross weight-
2,895kg6,382lb
Top speed
283 km/h
176 mph
279 km/h
173 mph
To 99% top speed
45.3s99% target: 280 km/h / 174 mph
Calculated
63.6s99% target: 276 km/h / 172 mph
Calculated
0-100 km/h
3.8s
4.5s
0-200 km/h
11.3s
Calculated
14.7s
Calculated
0-60 mph
3.6s
Calculated
4.3s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
11.5L/100 km20.5mpg US24.6mpg UK
Fuel consumption city
11.7L/100 km20.1mpg US24.1mpg UK
15.9L/100 km14.8mpg US17.8mpg UK
Fuel consumption highway
7.5L/100 km31.4mpg US37.7mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Quarter mile
11.6s
Calculated
12.5s
Calculated
Power-to-weight
279hp/t208kW/t126hp/1000 lb
Calculated
238hp/t177kW/t108hp/1000 lb
Calculated
Torque-to-weight
328Nm/t219lb-ft/ton
Calculated
343Nm/t230lb-ft/ton
Calculated
Estimated range
711km442mi
Calculated
870km540mi
Calculated
Displacement
2,891cc176cu in
4,806cc293cu in
Length
4,702mm185in
4,855mm191in
Width-
1,939mm76in
Height
1,681mm66in
1,702mm67in
Wheelbase
2,818mm111in
2,895mm114in
Front track
1,622mm64in
1,643mm65in
Rear track
1,675mm66in
1,657mm65in
Trunk volume-
670L
Max trunk volume-
1,780L
Doors
5
5
Seats
5
5
Fuel tank
64L
100L
CO2 emissions
210g/km
267g/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.

Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6Porsche Cayenne II Facelift 2014 Turbo 4.8 V8PowerTorque
  • Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6: Power / Torque
  • Porsche Cayenne II Facelift 2014 Turbo 4.8 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V66,500 rpm2,500 rpm6,750 rpm
PorscheCayenne IIFacelift 2014Turbo 4.8 V86,000 rpm2,250-4,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6PorscheCayenne IIFacelift 2014Turbo 4.8 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
4.3 s
0-100 km/h
0-62 mph
3.8 s
4.5 s
0-200 km/h
0-124 mph
11.3 s
14.7 s
Top speed
283 km/h
176 mph
279 km/h
173 mph
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.2 s
5.5 s
1/8 mile
201 m
7.7 s
8.2 s
1000 ft
305 m
9.8 s
10.6 s
1/4 mile
402 m
11.6 s
12.5 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
186 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
510 hp
380 kW
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
520 hp
388 kW

Porsche Cayenne II Facelift 2014 Turbo 4.8 V8 has 10 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 II Facelift 2014 Turbo 4.8 V8: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
600 Nm
443 lb-ft
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
750 Nm
553 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
1,830 kg
4,034 lb
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
2,185 kg
4,817 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
283 km/h
176 mph
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
279 km/h
173 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V63.8 s
PorscheCayenne IIFacelift 2014Turbo 4.8 V84.5 s

Although Porsche Cayenne II Facelift 2014 Turbo 4.8 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 II Facelift 2014 Turbo 4.8 V8: 0.7 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6 and Porsche Cayenne II Facelift 2014 Turbo 4.8 V8: 2.5 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
279 hp/t
208 kW/t
3.6 kg/hp
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
238 hp/t
177 kW/t
4.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
711 km
442 mi
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
870 km
540 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Alfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6
510 hp
380 kW
3.8 s
283 km/h
176 mph
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
520 hp
388 kW
4.5 s
279 km/h
173 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
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
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
Power
520 hp
388 kW
0-100 km/h4.5 s
Top speed
279 km/h
173 mph
Doors/seats
5 doors
5 seats
Trunk
670 L
23.7 cu ft
Length
4,855 mm
191.1 in
Height
1,702 mm
67.0 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
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
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
Power
520 hp
388 kW
0-100 km/h4.5 s
Top speed
279 km/h
173 mph
11.5 L/100 km
20.5 mpg US
24.6 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
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
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
4.5 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
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
PorscheCayenne IIFacelift 2014Turbo 4.8 V8
238 hp/t
177 kW/t
4.2 kg/hp
11.5 L/100 km
20.5 mpg US
24.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlfa RomeoStelvio (949)Quadrifoglio 2.9 Bi-Turbo V6PorscheCayenne IIFacelift 2014Turbo 4.8 V8
Power
510 hp
380 kW
520 hp
388 kW
Torque
600 Nm
443 lb-ft
750 Nm
553 lb-ft
Acceleration
3.8 s
4.5 s
Top speed
283 km/h
176 mph
279 km/h
173 mph
Lightness
1,830 kg
4,034 lb
2,185 kg
4,817 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk-
Length
4,702 mm
185.1 in
Height
1,681 mm
66.2 in
Doors/seats
5 doors
5 seats
Trunk
670 L
23.7 cu ft
Length
4,855 mm
191.1 in
Height
1,702 mm
67.0 in
Range score
711 km
442 mi
870 km
540 mi
CO2 score
210 g/km
267 g/km
Trunk score
-
670 L
23.7 cu ft
Power-to-weight score
279 hp/t
208 kW/t
3.6 kg/hp
238 hp/t
177 kW/t
4.2 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
VehicleAlfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6Porsche Cayenne II Facelift 2014 Turbo 4.8 V8
Consumption9 L/100 km26.1 mpg US31.4 mpg UK11.5 L/100 km20.5 mpg US24.6 mpg UK
Cost / 100 km15.75 LC100 km20.13 LC100 km
Cost / 100 mi25.35 LC100 mi32.39 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,725 L456 US gal379 UK gal
Annual fuel cost2,363 LC/year3,019 LC/year

Head-to-head comparisons

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

  • Is 355 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 4 km/h (2 mph) higher top speed
  • Uses 2.5 L/100 km less fuel
  • Has 41 hp/t better power-to-weight
  • Emits 57 g/km less CO2

Pros

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

Cons

  • Lowest power

Porsche Cayenne II Facelift 2014 Turbo 4.8 V8

  • Has 10 hp more
  • Has 150 Nm more
  • Has 158 km (98 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alfa Romeo Stelvio (949) Quadrifoglio 2.9 Bi-Turbo V6
Porsche Cayenne II Turbo 4.8 V8
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2 vehicles selected

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