Car comparison

Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6vsBMW X7 (G07) M50i V8

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

BMW X7 (G07)

M50i V8

530 hp4395 ccGasolineAWDAutomaticTurbochargedSUV2019-2022

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
  • 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 city consumption
    12.3 L/100 km
    19.1 mpg US
    23.0 mpg UK
  • Lowest highway consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Lowest CO2 emissions
    227 g/km
  • Best overall score
    86/100
  • Best performance score
    85/100
  • Best economy score
    81/100
  • Best practicality score
    89/100

BMW X7 (G07) M50i V8

  • Most powerful
    530 hp
    395 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Best estimated range
    741 km
    460 mi

Specification comparison

Specification comparison
ModelAlfa RomeoStelvio (949)2.9T Bi-Turbo V6BMWX7 (G07)M50i V8
Power
510hp380kW
530hp395kW
Torque
600Nm443lb-ft
750Nm553lb-ft
Curb weight
1,830kg4,034lb
2,490kg5,490lb
Gross weight-
3,295kg7,264lb
Top speed
283 km/h
176 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
44.9s99% target: 280 km/h / 174 mph
Calculated
66.3s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.8s
4.7s
0-200 km/h
11.2s
Calculated
17.3s
Calculated
0-60 mph
3.6s
Calculated
4.5s
Calculated
Fuel consumption
9.8L/100 km24mpg US28.8mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption city
12.3L/100 km19.1mpg US23.0mpg UK
15.3L/100 km15.4mpg US18.5mpg UK
Fuel consumption highway
8.4L/100 km28mpg US33.6mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Quarter mile
11.6s
Calculated
12.9s
Calculated
Power-to-weight
279hp/t208kW/t126hp/1000 lb
Calculated
213hp/t159kW/t97hp/1000 lb
Calculated
Torque-to-weight
328Nm/t219lb-ft/ton
Calculated
301Nm/t202lb-ft/ton
Calculated
Estimated range
653km406mi
Calculated
741km460mi
Calculated
Displacement
2,891cc176cu in
4,395cc268cu in
Length
4,686mm184in
5,151mm203in
Width
1,903mm75in
2,000mm79in
Height
1,693mm67in
1,805mm71in
Wheelbase
2,818mm111in
3,105mm122in
Front track-
1,682mm66in
Rear track-
1,703mm67in
Ground clearance-
221mm9in
Trunk volume-
326L
Max trunk volume-
2,120L
Doors
5
5
Seats
5
6
Fuel tank
64L
83L
CO2 emissions
227g/km
258g/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 V6BMW X7 (G07) M50i V8PowerTorque
  • Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6: Power / Torque
  • BMW X7 (G07) M50i V8: 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
BMWX7 (G07)M50i V85,500-6,000 rpm1,800-4,600 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlfa RomeoStelvio (949)2.9T Bi-Turbo V6BMWX7 (G07)M50i V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
4.5 s
0-100 km/h
0-62 mph
3.8 s
4.7 s
0-200 km/h
0-124 mph
11.2 s
17.3 s
Top speed
283 km/h
176 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
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
8.4 s
1000 ft
305 m
9.8 s
10.8 s
1/4 mile
402 m
11.6 s
12.9 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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6
510 hp
380 kW
BMWX7 (G07)M50i V8
530 hp
395 kW

BMW X7 (G07) M50i V8 has 20 hp more than Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6.

The biggest power difference is between Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6 and BMW X7 (G07) M50i V8: 20 hp (15 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
BMWX7 (G07)M50i 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)2.9T Bi-Turbo V6
1,830 kg
4,034 lb
BMWX7 (G07)M50i V8
2,490 kg
5,490 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
BMWX7 (G07)M50i V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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)2.9T Bi-Turbo V63.8 s
BMWX7 (G07)M50i V84.7 s

Although BMW X7 (G07) M50i V8 has more power, Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6 and BMW X7 (G07) M50i V8: 0.9 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
BMWX7 (G07)M50i V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6 and BMW X7 (G07) M50i V8: 1.4 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)2.9T Bi-Turbo V6
279 hp/t
208 kW/t
3.6 kg/hp
BMWX7 (G07)M50i V8
213 hp/t
159 kW/t
4.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6
653 km
406 mi
BMWX7 (G07)M50i V8
741 km
460 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
BMWX7 (G07)M50i V8
530 hp
395 kW
4.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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
BMWX7 (G07)M50i V8
Power
530 hp
395 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
6 seats
Trunk
326 L
11.5 cu ft
Length
5,151 mm
202.8 in
Height
1,805 mm
71.1 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
BMWX7 (G07)M50i V8
Power
530 hp
395 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.2 L/100 km
21.0 mpg US
25.2 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
BMWX7 (G07)M50i V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
4.7 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
BMWX7 (G07)M50i V8
213 hp/t
159 kW/t
4.7 kg/hp
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlfa RomeoStelvio (949)2.9T Bi-Turbo V6BMWX7 (G07)M50i V8
Power
510 hp
380 kW
530 hp
395 kW
Torque
600 Nm
443 lb-ft
750 Nm
553 lb-ft
Acceleration
3.8 s
4.7 s
Top speed
283 km/h
176 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,830 kg
4,034 lb
2,490 kg
5,490 lb
Fuel consumption
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
11.2 L/100 km
21.0 mpg US
25.2 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
6 seats
Trunk
326 L
11.5 cu ft
Length
5,151 mm
202.8 in
Height
1,805 mm
71.1 in
Range score
653 km
406 mi
741 km
460 mi
CO2 score
227 g/km
258 g/km
Trunk score
-
326 L
11.5 cu ft
Power-to-weight score
279 hp/t
208 kW/t
3.6 kg/hp
213 hp/t
159 kW/t
4.7 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 V6BMW X7 (G07) M50i V8
Consumption9.8 L/100 km24 mpg US28.8 mpg UK11.2 L/100 km21 mpg US25.2 mpg UK
Cost / 100 km17.15 LC100 km19.60 LC100 km
Cost / 100 mi27.60 LC100 mi31.54 LC100 mi
Annual fuel used1,470 L388 US gal323 UK gal1,680 L444 US gal370 UK gal
Annual fuel cost2,573 LC/year2,940 LC/year

Head-to-head comparisons

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

  • Is 660 kg lighter
  • Is 0.9 s quicker from 0-100 km/h
  • Has 23 km/h (14 mph) higher top speed
  • Uses 1.4 L/100 km less fuel
  • Has 66 hp/t better power-to-weight
  • Emits 31 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

BMW X7 (G07) M50i V8

  • Has 20 hp more
  • Has 150 Nm more
  • Has 88 km (55 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) 2.9T Bi-Turbo V6
BMW X7 (G07) M50i V8
Compare selected cars
2 vehicles selected

Popular comparisons

Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6 vs BMW X7 (G07) M50i V8 - car comparison - FastVsFaster