Car comparison

Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6vsPorsche Macan I (95B) · Facelift 2018 Turbo 2.9 V6

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

New comparison

Alfa Romeo Stelvio (949)

2.9T Bi-Turbo V6

510 hp2891 ccGasolineAWDAutomaticTwin-turboSUV2018-2022
VS

Porsche Macan I (95B) · Facelift 2018

Turbo 2.9 V6

440 hp2894 ccGasolineAWDDual-clutchTwin-turboSUV2019-2021

Comparison overview

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

Best choices

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

  • Quickest 0-100 km/h
    3.8 s
  • Fastest top speed
    283 km/h
    176 mph
  • Most powerful
    510 hp
    380 kW
  • Highest torque
    600 Nm
    443 lb-ft
  • 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
    9.8 L/100 km
    24.0 mpg US
    28.8 mpg UK
  • Lowest highway consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Best overall score
    86/100
  • Best performance score
    85/100
  • Best economy score
    81/100
  • Best practicality score
    89/100

Specification comparison

Specification comparison
ModelAlfa RomeoStelvio (949)2.9T Bi-Turbo V6PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
Power
510hp380kW
440hp328kW
Torque
600Nm443lb-ft
550Nm406lb-ft
Curb weight
1,830kg4,034lb
1,945kg4,288lb
Gross weight-
2,580kg5,688lb
Top speed
283 km/h
176 mph
270 km/h
168 mph
To 99% top speed
44.9s99% target: 280 km/h / 174 mph
Calculated
78.9s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
3.8s
4.5s
0-200 km/h
11.2s
Calculated
17.1s
0-60 mph
3.6s
Calculated
4.3s
Calculated
Fuel consumption
9.8L/100 km24mpg US28.8mpg UK
9.8L/100 km24mpg US28.8mpg UK
Fuel consumption city
12.3L/100 km19.1mpg US23.0mpg UK
12.2L/100 km19.3mpg US23.2mpg UK
Fuel consumption highway
8.4L/100 km28mpg US33.6mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
11.6s
Calculated
12.7s
Calculated
Power-to-weight
279hp/t208kW/t126hp/1000 lb
Calculated
226hp/t169kW/t103hp/1000 lb
Calculated
Torque-to-weight
328Nm/t219lb-ft/ton
Calculated
283Nm/t189lb-ft/ton
Calculated
Estimated range
653km406mi
Calculated
765km476mi
Calculated
Displacement
2,891cc176cu in
2,894cc177cu in
Length
4,686mm184in
4,684mm184in
Width
1,903mm75in
1,926mm76in
Height
1,693mm67in
1,624mm64in
Wheelbase
2,818mm111in
2,807mm111in
Front track-
1,645mm65in
Rear track-
1,655mm65in
Ground clearance-
230mm9in
Trunk volume-
500L
Max trunk volume-
1,500L
Doors
5
5
Seats
5
5
Fuel tank
64L
75L
CO2 emissions
227g/km
224g/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) 2.9T Bi-Turbo V6Porsche Macan I (95B) Facelift 2018 Turbo 2.9 V6PowerTorque
  • Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6: Power / Torque
  • Porsche Macan I (95B) Facelift 2018 Turbo 2.9 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Alfa RomeoStelvio (949)2.9T Bi-Turbo V66,500 rpm2,500 rpm6,750 rpm
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V65,700-6,600 rpm1,800-5,600 rpm6,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlfa RomeoStelvio (949)2.9T Bi-Turbo V6PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
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
11.2 s
17.1 s
Top speed
283 km/h
176 mph
270 km/h
168 mph
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
330 ft
101 m
5.2 s
5.4 s
1/8 mile
201 m
7.7 s
8.2 s
1000 ft
305 m
9.8 s
10.7 s
1/4 mile
402 m
11.6 s
12.7 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
177 km/h
110 mph

Power comparison

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

Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6 has 70 hp more than Porsche Macan I (95B) Facelift 2018 Turbo 2.9 V6.

The biggest power difference is between Porsche Macan I (95B) Facelift 2018 Turbo 2.9 V6 and Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6: 70 hp (52 kW).

Torque comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6
600 Nm
443 lb-ft
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
550 Nm
406 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6
1,830 kg
4,034 lb
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
1,945 kg
4,288 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)2.9T Bi-Turbo V6
283 km/h
176 mph
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
270 km/h
168 mph

0-100 km/h comparison

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

The biggest 0-100 km/h difference is between Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6 and Porsche Macan I (95B) Facelift 2018 Turbo 2.9 V6: 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)2.9T Bi-Turbo V6
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
9.8 L/100 km
24.0 mpg US
28.8 mpg UK

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)2.9T Bi-Turbo V6
279 hp/t
208 kW/t
3.6 kg/hp
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
226 hp/t
169 kW/t
4.4 kg/hp

Estimated range comparison

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

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6
510 hp
380 kW
3.8 s
283 km/h
176 mph
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
440 hp
328 kW
4.5 s
270 km/h
168 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)2.9T 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
4,686 mm
184.5 in
Height
1,693 mm
66.7 in
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
Power
440 hp
328 kW
0-100 km/h4.5 s
Top speed
270 km/h
168 mph
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,684 mm
184.4 in
Height
1,624 mm
63.9 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)2.9T Bi-Turbo V6
Power
510 hp
380 kW
0-100 km/h3.8 s
Top speed
283 km/h
176 mph
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
Power
440 hp
328 kW
0-100 km/h4.5 s
Top speed
270 km/h
168 mph
9.8 L/100 km
24.0 mpg US
28.8 mpg UK

Alfa Romeo Stelvio (949) 2.9T 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)2.9T Bi-Turbo V6
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
3.8 s
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
9.8 L/100 km
24.0 mpg US
28.8 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)2.9T Bi-Turbo V6
279 hp/t
208 kW/t
3.6 kg/hp
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
226 hp/t
169 kW/t
4.4 kg/hp
9.8 L/100 km
24.0 mpg US
28.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlfa RomeoStelvio (949)2.9T Bi-Turbo V6PorscheMacan I (95B)Facelift 2018Turbo 2.9 V6
Power
510 hp
380 kW
440 hp
328 kW
Torque
600 Nm
443 lb-ft
550 Nm
406 lb-ft
Acceleration
3.8 s
4.5 s
Top speed
283 km/h
176 mph
270 km/h
168 mph
Lightness
1,830 kg
4,034 lb
1,945 kg
4,288 lb
Fuel consumption
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk-
Length
4,686 mm
184.5 in
Height
1,693 mm
66.7 in
Doors/seats
5 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,684 mm
184.4 in
Height
1,624 mm
63.9 in
Range score
653 km
406 mi
765 km
476 mi
CO2 score
227 g/km
224 g/km
Trunk score
-
500 L
17.7 cu ft
Power-to-weight score
279 hp/t
208 kW/t
3.6 kg/hp
226 hp/t
169 kW/t
4.4 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) 2.9T Bi-Turbo V6Porsche Macan I (95B) Facelift 2018 Turbo 2.9 V6
Consumption9.8 L/100 km24 mpg US28.8 mpg UK9.8 L/100 km24 mpg US28.8 mpg UK
Cost / 100 km17.15 LC100 km17.15 LC100 km
Cost / 100 mi27.60 LC100 mi27.60 LC100 mi
Annual fuel used1,470 L388 US gal323 UK gal1,470 L388 US gal323 UK gal
Annual fuel cost2,573 LC/year2,573 LC/year

Head-to-head comparisons

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

  • Has 70 hp more
  • Has 50 Nm more
  • Is 115 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 13 km/h (8 mph) higher top speed
  • Has 52 hp/t better power-to-weight

Pros

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

Cons

  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6
Porsche Macan I (95B) Turbo 2.9 V6
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Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6 vs Porsche Macan I (95B) · Facelift 2018 Turbo 2.9 V6 - car comparison - FastVsFaster