Car comparison

Bentley Bentayga 4.0 V8vsAlfa Romeo Stelvio (949) 2.9T Bi-Turbo V6

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

New comparison

Bentley Bentayga

4.0 V8

550 hp3996 ccGasolineAWDAutomaticTwin-turboSUV2018-2020

Alfa Romeo Stelvio (949)

2.9T Bi-Turbo V6

510 hp2891 ccGasolineAWDAutomaticTwin-turboSUV2018-2022

Comparison overview

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

Alfa Romeo Stelvio (949) 2.9T 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
9.8 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
Best overall score
86/100
Best performance score
85/100
Best economy score
81/100
Best practicality score
89/100

Bentley Bentayga 4.0 V8

Fastest top speed
290 km/h
180 mph
Most powerful
550 hp
410 kW
Highest torque
770 Nm
568 lb-ft
Best estimated range
746 km
463 mi

Specification comparison

Specification comparison
Model	BentleyBentayga4.0 V8	Alfa RomeoStelvio (949)2.9T Bi-Turbo V6
Power	550hp410kW	510hp380kW
Torque	770Nm568lb-ft	600Nm443lb-ft
Curb weight	2,428kg5,353lb	1,830kg4,034lb
Gross weight	3,250kg7,165lb	-
Top speed	290 km/h 180 mph	283 km/h 176 mph
To 99% top speed	70.1s99% target: 287 km/h / 178 mph Calculated	44.9s99% target: 280 km/h / 174 mph Calculated
0-100 km/h	4.5s	3.8s
0-200 km/h	14.5s Calculated	11.2s Calculated
0-60 mph	4.3s Calculated	3.6s Calculated
Fuel consumption	11.4L/100 km20.6mpg US24.8mpg UK	9.8L/100 km24mpg US28.8mpg UK
Fuel consumption city	15.6L/100 km15.1mpg US18.1mpg UK	12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption highway	9L/100 km26.1mpg US31.4mpg UK	8.4L/100 km28mpg US33.6mpg UK
Quarter mile	12.5s Calculated	11.6s Calculated
Power-to-weight	227hp/t169kW/t103hp/1000 lb Calculated	279hp/t208kW/t126hp/1000 lb Calculated
Torque-to-weight	317Nm/t212lb-ft/ton Calculated	328Nm/t219lb-ft/ton Calculated
Estimated range	746km463mi Calculated	653km406mi Calculated
Displacement	3,996cc244cu in	2,891cc176cu in
Length	5,140mm202in	4,686mm184in
Width	1,998mm79in	1,903mm75in
Height	1,742mm69in	1,693mm67in
Wheelbase	2,995mm118in	2,818mm111in
Trunk volume	215L	-
Max trunk volume	1,774L	-
Doors	5	5
Seats	7	5
Fuel tank	85L	64L
CO2 emissions	-	227g/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.

Bentley Bentayga 4.0 V8Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BentleyBentayga4.0 V8	6,000 rpm	1,960-4,500 rpm	6,250 rpm
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6	6,500 rpm	2,500 rpm	6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BentleyBentayga4.0 V8	Alfa RomeoStelvio (949)2.9T Bi-Turbo V6
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.3 s	3.6 s
0-100 km/h 0-62 mph	4.5 s	3.8 s
0-200 km/h 0-124 mph	14.5 s	11.2 s
Top speed	290 km/h 180 mph	283 km/h 176 mph
	Drag race simulation
60 ft 18 m	2.1 s	2.0 s
330 ft 101 m	5.5 s	5.2 s
1/8 mile 201 m	8.2 s	7.7 s
1000 ft 305 m	10.6 s	9.8 s
1/4 mile 402 m	12.5 s	11.6 s
Trap speed 1/4 mile 402 m	186 km/h 116 mph	203 km/h 126 mph

Power comparison

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

Chart data table
Vehicle	Value
BentleyBentayga4.0 V8	550 hp 410 kW
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6	510 hp 380 kW

Bentley Bentayga 4.0 V8 has 40 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 Bentley Bentayga 4.0 V8: 40 hp (30 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BentleyBentayga4.0 V8	770 Nm 568 lb-ft
Alfa RomeoStelvio (949)2.9T 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
Vehicle	Value
BentleyBentayga4.0 V8	2,428 kg 5,353 lb
Alfa RomeoStelvio (949)2.9T 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
Vehicle	Value
BentleyBentayga4.0 V8	290 km/h 180 mph
Alfa RomeoStelvio (949)2.9T 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
Vehicle	Value
BentleyBentayga4.0 V8	4.5 s
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6	3.8 s

Although Bentley Bentayga 4.0 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 Bentley Bentayga 4.0 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
Vehicle	Value
BentleyBentayga4.0 V8	11.4 L/100 km 20.6 mpg US 24.8 mpg UK
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6	9.8 L/100 km 24.0 mpg US 28.8 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6 and Bentley Bentayga 4.0 V8: 1.6 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BentleyBentayga4.0 V8	227 hp/t 169 kW/t 4.4 kg/hp
Alfa RomeoStelvio (949)2.9T 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
Vehicle	Value
BentleyBentayga4.0 V8	746 km 463 mi
Alfa RomeoStelvio (949)2.9T Bi-Turbo V6	653 km 406 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BentleyBentayga4.0 V8	550 hp 410 kW	4.5 s	290 km/h 180 mph
Alfa RomeoStelvio (949)2.9T 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.

Vehicle

Performance score

Practicality score

BentleyBentayga4.0 V8

Power	550 hp 410 kW
0-100 km/h	4.5 s
Top speed 290 km/h 180 mph

Doors/seats	5 doors 7 seats
Trunk	215 L 7.6 cu ft
Length	5,140 mm 202.4 in
Height	1,742 mm 68.6 in

Alfa RomeoStelvio (949)2.9T Bi-Turbo V6

Power	510 hp 380 kW
0-100 km/h	3.8 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

Performance vs fuel economy

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

Vehicle

Performance score

Fuel economy score

BentleyBentayga4.0 V8

Power	550 hp 410 kW
0-100 km/h	4.5 s
Top speed 290 km/h 180 mph

11.4 L/100 km

20.6 mpg US

24.8 mpg UK

Alfa RomeoStelvio (949)2.9T Bi-Turbo V6

Power	510 hp 380 kW
0-100 km/h	3.8 s
Top speed 283 km/h 176 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BentleyBentayga4.0 V8	11.4 L/100 km 20.6 mpg US 24.8 mpg UK	4.5 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

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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BentleyBentayga4.0 V8	227 hp/t 169 kW/t 4.4 kg/hp	11.4 L/100 km 20.6 mpg US 24.8 mpg UK
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

Detailed score breakdown

Vehicle

BentleyBentayga4.0 V8

Alfa RomeoStelvio (949)2.9T Bi-Turbo V6

Power

550 hp

410 kW

510 hp

380 kW

Torque

770 Nm

568 lb-ft

600 Nm

443 lb-ft

Acceleration

4.5 s

3.8 s

Top speed

290 km/h

180 mph

283 km/h

176 mph

Lightness

2,428 kg

5,353 lb

1,830 kg

4,034 lb

Fuel consumption

11.4 L/100 km

20.6 mpg US

24.8 mpg UK

9.8 L/100 km

24.0 mpg US

28.8 mpg UK

Practicality

Doors/seats	5 doors 7 seats
Trunk	215 L 7.6 cu ft
Length	5,140 mm 202.4 in
Height	1,742 mm 68.6 in

Doors/seats	5 doors 5 seats
Trunk	-
Length	4,686 mm 184.5 in
Height	1,693 mm 66.7 in

Range score

746 km

463 mi

653 km

406 mi

CO2 score

227 g/km

Trunk score

215 L

7.6 cu ft

Power-to-weight score

227 hp/t

169 kW/t

4.4 kg/hp

279 hp/t

208 kW/t

3.6 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Bentley Bentayga 4.0 V8	Alfa Romeo Stelvio (949) 2.9T Bi-Turbo V6
Consumption	11.4 L/100 km20.6 mpg US24.8 mpg UK	9.8 L/100 km24 mpg US28.8 mpg UK
Cost / 100 km	19.95 LC100 km	17.15 LC100 km
Cost / 100 mi	32.11 LC100 mi	27.60 LC100 mi
Annual fuel used	1,710 L452 US gal376 UK gal	1,470 L388 US gal323 UK gal
Annual fuel cost	2,993 LC/year	2,573 LC/year