Car comparison

Bentley Bentayga · Facelift 2020 Speed 6.0 W12 TSIvsMercedes-Benz GLS (X167) · Facelift 2023 AMG GLS 63 V8

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

New comparison

Bentley Bentayga · Facelift 2020

Speed 6.0 W12 TSI

635 hp5950 ccGasolineAWDAutomaticTwin-turboSUV2020-2024

Mercedes-Benz GLS (X167) · Facelift 2023

AMG GLS 63 V8

612 hp3982 ccGasolineAWDAutomaticTurbochargedSUV2023-2026

Comparison overview

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

Bentley Bentayga Facelift 2020 Speed 6.0 W12 TSI

Quickest 0-100 km/h
3.9 s
Fastest top speed
306 km/h
190 mph
Most powerful
635 hp
474 kW
Highest torque
900 Nm
664 lb-ft
Lightest
2,508 kg
5,529 lb
Best power-to-weight
253 hp/t
189 kW/t
3.9 kg/hp
Largest trunk
484 L
Best overall score
86/100
Best performance score
87/100
Best practicality score
85/100

Mercedes-Benz GLS (X167) Facelift 2023 AMG GLS 63 V8

Lowest combined fuel consumption
13.5 L/100 km
17.4 mpg US
20.9 mpg UK
Best estimated range
667 km
414 mi
Best economy score
71/100

Specification comparison

Specification comparison
Model	BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8
Power	635hp474kW	612hp456kW
Torque	900Nm664lb-ft	850Nm627lb-ft
Curb weight	2,508kg5,529lb	2,625kg5,787lb
Gross weight	3,250kg7,165lb	3,395kg7,485lb
Top speed	306 km/h 190 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	62.0s99% target: 303 km/h / 188 mph Calculated	57.3s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	3.9s	4.2s
0-200 km/h	11.9s Calculated	15.2s Calculated
0-60 mph	3.7s Calculated	4.0s Calculated
Fuel consumption	14.3L/100 km16.4mpg US19.8mpg UK	13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption city	19.7L/100 km11.9mpg US14.3mpg UK	-
Fuel consumption highway	11.2L/100 km21mpg US25.2mpg UK	-
Quarter mile	11.8s Calculated	12.3s Calculated
Power-to-weight	253hp/t189kW/t115hp/1000 lb Calculated	233hp/t174kW/t106hp/1000 lb Calculated
Torque-to-weight	359Nm/t240lb-ft/ton Calculated	324Nm/t217lb-ft/ton Calculated
Estimated range	594km369mi Calculated	667km414mi Calculated
Displacement	5,950cc363cu in	3,982cc243cu in
Length	5,144mm203in	5,233mm206in
Width	1,998mm79in	2,030mm80in
Height	1,742mm69in	1,836mm72in
Wheelbase	2,995mm118in	3,135mm123in
Front track	1,689mm66in	1,705mm67in
Rear track	1,707mm67in	1,725mm68in
Ground clearance	247mm10in	250mm10in
Trunk volume	484L	355L
Max trunk volume	-	2,400L
Doors	5	5
Seats	5	7
Fuel tank	85L	90L

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 Facelift 2020 Speed 6.0 W12 TSIMercedes-Benz GLS (X167) Facelift 2023 AMG GLS 63 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	5,000-5,750 rpm	1,500-5,000 rpm	6,000 rpm
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	5,750-6,500 rpm	2,500-4,500 rpm	6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.7 s	4.0 s
0-100 km/h 0-62 mph	3.9 s	4.2 s
0-200 km/h 0-124 mph	11.9 s	15.2 s
Top speed	306 km/h 190 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited
	Drag race simulation
60 ft 18 m	2.0 s	2.0 s
330 ft 101 m	5.2 s	5.3 s
1/8 mile 201 m	7.7 s	8.0 s
1000 ft 305 m	9.9 s	10.4 s
1/4 mile 402 m	11.8 s	12.3 s
Trap speed 1/4 mile 402 m	199 km/h 124 mph	184 km/h 114 mph

Power comparison

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

Chart data table
Vehicle	Value
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	635 hp 474 kW
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	612 hp 456 kW

Bentley Bentayga Facelift 2020 Speed 6.0 W12 TSI has 23 hp more than Mercedes-Benz GLS (X167) Facelift 2023 AMG GLS 63 V8.

The biggest power difference is between Mercedes-Benz GLS (X167) Facelift 2023 AMG GLS 63 V8 and Bentley Bentayga Facelift 2020 Speed 6.0 W12 TSI: 23 hp (17 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	900 Nm 664 lb-ft
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	850 Nm 627 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	2,508 kg 5,529 lb
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	2,625 kg 5,787 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
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	306 km/h 190 mph
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 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
Vehicle	Value
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	3.9 s
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	4.2 s

The biggest 0-100 km/h difference is between Bentley Bentayga Facelift 2020 Speed 6.0 W12 TSI and Mercedes-Benz GLS (X167) Facelift 2023 AMG GLS 63 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
Vehicle	Value
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	14.3 L/100 km 16.4 mpg US 19.8 mpg UK
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	13.5 L/100 km 17.4 mpg US 20.9 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLS (X167) Facelift 2023 AMG GLS 63 V8 and Bentley Bentayga Facelift 2020 Speed 6.0 W12 TSI: 0.8 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
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	253 hp/t 189 kW/t 3.9 kg/hp
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	233 hp/t 174 kW/t 4.3 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	594 km 369 mi
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	667 km 414 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	635 hp 474 kW	3.9 s	306 km/h 190 mph
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	612 hp 456 kW	4.2 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.

Vehicle

Performance score

Practicality score

BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI

Power	635 hp 474 kW
0-100 km/h	3.9 s
Top speed 306 km/h 190 mph

Doors/seats	5 doors 5 seats
Trunk	484 L 17.1 cu ft
Length	5,144 mm 202.5 in
Height	1,742 mm 68.6 in

Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8

Power	612 hp 456 kW
0-100 km/h	4.2 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	5 doors 7 seats
Trunk	355 L 12.5 cu ft
Length	5,233 mm 206.0 in
Height	1,836 mm 72.3 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

BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI

Power	635 hp 474 kW
0-100 km/h	3.9 s
Top speed 306 km/h 190 mph

14.3 L/100 km

16.4 mpg US

19.8 mpg UK

Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8

Power	612 hp 456 kW
0-100 km/h	4.2 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

13.5 L/100 km

17.4 mpg US

20.9 mpg UK

Bentley Bentayga Facelift 2020 Speed 6.0 W12 TSI 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
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	14.3 L/100 km 16.4 mpg US 19.8 mpg UK	3.9 s
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	13.5 L/100 km 17.4 mpg US 20.9 mpg UK	4.2 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
BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI	253 hp/t 189 kW/t 3.9 kg/hp	14.3 L/100 km 16.4 mpg US 19.8 mpg UK
Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8	233 hp/t 174 kW/t 4.3 kg/hp	13.5 L/100 km 17.4 mpg US 20.9 mpg UK

Detailed score breakdown

Vehicle

BentleyBentaygaFacelift 2020Speed 6.0 W12 TSI

Mercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8

Power

635 hp

474 kW

612 hp

456 kW

Torque

900 Nm

664 lb-ft

850 Nm

627 lb-ft

Acceleration

3.9 s

4.2 s

Top speed

306 km/h

190 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

2,508 kg

5,529 lb

2,625 kg

5,787 lb

Fuel consumption

14.3 L/100 km

16.4 mpg US

19.8 mpg UK

13.5 L/100 km

17.4 mpg US

20.9 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	484 L 17.1 cu ft
Length	5,144 mm 202.5 in
Height	1,742 mm 68.6 in

Doors/seats	5 doors 7 seats
Trunk	355 L 12.5 cu ft
Length	5,233 mm 206.0 in
Height	1,836 mm 72.3 in

Range score

594 km

369 mi

667 km

414 mi

Trunk score

484 L

17.1 cu ft

355 L

12.5 cu ft

Power-to-weight score

253 hp/t

189 kW/t

3.9 kg/hp

233 hp/t

174 kW/t

4.3 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 Facelift 2020 Speed 6.0 W12 TSI	Mercedes-Benz GLS (X167) Facelift 2023 AMG GLS 63 V8
Consumption	14.3 L/100 km16.4 mpg US19.8 mpg UK	13.5 L/100 km17.4 mpg US20.9 mpg UK
Cost / 100 km	25.03 LC100 km	23.63 LC100 km
Cost / 100 mi	40.27 LC100 mi	38.02 LC100 mi
Annual fuel used	2,145 L567 US gal472 UK gal	2,025 L535 US gal445 UK gal
Annual fuel cost	3,754 LC/year	3,544 LC/year