Car comparison

Bentley Bentayga 6.0 TSI W12vsMercedes-Benz GLS (X166) AMG GLS 63

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

New comparison

Bentley Bentayga

6.0 TSI W12

608 hp5950 ccGasolineAWDAutomaticTwin-turboSUV2016-2020

Mercedes-Benz GLS (X166)

AMG GLS 63

585 hp5461 ccGasolineAWDAutomaticTwin-turboSUV2015-2019

Comparison overview

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

Bentley Bentayga 6.0 TSI W12

Quickest 0-100 km/h
4.1 s
Fastest top speed
301 km/h
187 mph
Most powerful
608 hp
453 kW
Highest torque
900 Nm
664 lb-ft
Lightest
2,440 kg
5,379 lb
Best power-to-weight
249 hp/t
186 kW/t
4.0 kg/hp
Lowest highway consumption
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Best performance score
86/100

Mercedes-Benz GLS (X166) AMG GLS 63

Lowest combined fuel consumption
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Lowest city consumption
15.8 L/100 km
14.9 mpg US
17.9 mpg UK
Lowest CO2 emissions
288 g/km
Best estimated range
813 km
505 mi
Largest trunk
680 L
Best overall score
85/100
Best economy score
74/100
Best practicality score
93/100

Specification comparison

Specification comparison
Model	BentleyBentayga6.0 TSI W12	Mercedes-BenzGLS (X166)AMG GLS 63
Power	608hp453kW	585hp436kW
Torque	900Nm664lb-ft	760Nm561lb-ft
Curb weight	2,440kg5,379lb	2,505kg5,523lb
Gross weight	3,250kg7,165lb	3,290kg7,253lb
Top speed	301 km/h 187 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	64.0s99% target: 298 km/h / 185 mph Calculated	60.5s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	4.1s	4.6s
0-200 km/h	12.6s Calculated	16.3s Calculated
0-60 mph	3.9s Calculated	4.4s Calculated
Fuel consumption	13.1L/100 km18mpg US21.6mpg UK	12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city	19L/100 km12.4mpg US14.9mpg UK	15.8L/100 km14.9mpg US17.9mpg UK
Fuel consumption highway	9.6L/100 km24.5mpg US29.4mpg UK	10.3L/100 km22.8mpg US27.4mpg UK
Quarter mile	12.0s Calculated	12.7s Calculated
Power-to-weight	249hp/t186kW/t113hp/1000 lb Calculated	234hp/t174kW/t106hp/1000 lb Calculated
Torque-to-weight	369Nm/t247lb-ft/ton Calculated	303Nm/t203lb-ft/ton Calculated
Estimated range	649km403mi Calculated	813km505mi Calculated
Displacement	5,950cc363cu in	5,461cc333cu in
Length	5,140mm202in	5,130mm202in
Width	1,998mm79in	1,934mm76in
Height	1,742mm69in	1,850mm73in
Wheelbase	2,995mm118in	3,075mm121in
Front track	1,689mm66in	1,655mm65in
Rear track	1,693mm67in	1,675mm66in
Trunk volume	484L	680L
Max trunk volume	-	2,300L
Doors	5	5
Seats	4	5
Fuel tank	85L	100L
CO2 emissions	296g/km	288g/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 6.0 TSI W12Mercedes-Benz GLS (X166) AMG GLS 63PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BentleyBentayga6.0 TSI W12	5,000-6,000 rpm	1,350-4,500 rpm	6,250 rpm
Mercedes-BenzGLS (X166)AMG GLS 63	5,500 rpm	1,750-5,250 rpm	5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BentleyBentayga6.0 TSI W12	Mercedes-BenzGLS (X166)AMG GLS 63
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.9 s	4.4 s
0-100 km/h 0-62 mph	4.1 s	4.6 s
0-200 km/h 0-124 mph	12.6 s	16.3 s
Top speed	301 km/h 187 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	5.3 s	5.5 s
1/8 mile 201 m	7.9 s	8.3 s
1000 ft 305 m	10.1 s	10.7 s
1/4 mile 402 m	12.0 s	12.7 s
Trap speed 1/4 mile 402 m	195 km/h 121 mph	180 km/h 112 mph

Power comparison

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

Chart data table
Vehicle	Value
BentleyBentayga6.0 TSI W12	608 hp 453 kW
Mercedes-BenzGLS (X166)AMG GLS 63	585 hp 436 kW

Bentley Bentayga 6.0 TSI W12 has 23 hp more than Mercedes-Benz GLS (X166) AMG GLS 63.

The biggest power difference is between Mercedes-Benz GLS (X166) AMG GLS 63 and Bentley Bentayga 6.0 TSI W12: 23 hp (17 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BentleyBentayga6.0 TSI W12	900 Nm 664 lb-ft
Mercedes-BenzGLS (X166)AMG GLS 63	760 Nm 561 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BentleyBentayga6.0 TSI W12	2,440 kg 5,379 lb
Mercedes-BenzGLS (X166)AMG GLS 63	2,505 kg 5,523 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
BentleyBentayga6.0 TSI W12	301 km/h 187 mph
Mercedes-BenzGLS (X166)AMG GLS 63	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
BentleyBentayga6.0 TSI W12	4.1 s
Mercedes-BenzGLS (X166)AMG GLS 63	4.6 s

The biggest 0-100 km/h difference is between Bentley Bentayga 6.0 TSI W12 and Mercedes-Benz GLS (X166) AMG GLS 63: 0.5 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
BentleyBentayga6.0 TSI W12	13.1 L/100 km 18.0 mpg US 21.6 mpg UK
Mercedes-BenzGLS (X166)AMG GLS 63	12.3 L/100 km 19.1 mpg US 23.0 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLS (X166) AMG GLS 63 and Bentley Bentayga 6.0 TSI W12: 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
BentleyBentayga6.0 TSI W12	249 hp/t 186 kW/t 4.0 kg/hp
Mercedes-BenzGLS (X166)AMG GLS 63	234 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
BentleyBentayga6.0 TSI W12	649 km 403 mi
Mercedes-BenzGLS (X166)AMG GLS 63	813 km 505 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BentleyBentayga6.0 TSI W12	608 hp 453 kW	4.1 s	301 km/h 187 mph
Mercedes-BenzGLS (X166)AMG GLS 63	585 hp 436 kW	4.6 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

BentleyBentayga6.0 TSI W12

Power	608 hp 453 kW
0-100 km/h	4.1 s
Top speed 301 km/h 187 mph

Doors/seats	5 doors 4 seats
Trunk	484 L 17.1 cu ft
Length	5,140 mm 202.4 in
Height	1,742 mm 68.6 in

Mercedes-BenzGLS (X166)AMG GLS 63

Power	585 hp 436 kW
0-100 km/h	4.6 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	5 doors 5 seats
Trunk	680 L 24.0 cu ft
Length	5,130 mm 202.0 in
Height	1,850 mm 72.8 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

BentleyBentayga6.0 TSI W12

Power	608 hp 453 kW
0-100 km/h	4.1 s
Top speed 301 km/h 187 mph

13.1 L/100 km

18.0 mpg US

21.6 mpg UK

Mercedes-BenzGLS (X166)AMG GLS 63

Power	585 hp 436 kW
0-100 km/h	4.6 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

12.3 L/100 km

19.1 mpg US

23.0 mpg UK

Bentley Bentayga 6.0 TSI W12 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
BentleyBentayga6.0 TSI W12	13.1 L/100 km 18.0 mpg US 21.6 mpg UK	4.1 s
Mercedes-BenzGLS (X166)AMG GLS 63	12.3 L/100 km 19.1 mpg US 23.0 mpg UK	4.6 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
BentleyBentayga6.0 TSI W12	249 hp/t 186 kW/t 4.0 kg/hp	13.1 L/100 km 18.0 mpg US 21.6 mpg UK
Mercedes-BenzGLS (X166)AMG GLS 63	234 hp/t 174 kW/t 4.3 kg/hp	12.3 L/100 km 19.1 mpg US 23.0 mpg UK

Detailed score breakdown

Vehicle

BentleyBentayga6.0 TSI W12

Mercedes-BenzGLS (X166)AMG GLS 63

Power

608 hp

453 kW

585 hp

436 kW

Torque

900 Nm

664 lb-ft

760 Nm

561 lb-ft

Acceleration

4.1 s

4.6 s

Top speed

301 km/h

187 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

2,440 kg

5,379 lb

2,505 kg

5,523 lb

Fuel consumption

13.1 L/100 km

18.0 mpg US

21.6 mpg UK

12.3 L/100 km

19.1 mpg US

23.0 mpg UK

Practicality

Doors/seats	5 doors 4 seats
Trunk	484 L 17.1 cu ft
Length	5,140 mm 202.4 in
Height	1,742 mm 68.6 in

Doors/seats	5 doors 5 seats
Trunk	680 L 24.0 cu ft
Length	5,130 mm 202.0 in
Height	1,850 mm 72.8 in

Range score

649 km

403 mi

813 km

505 mi

CO2 score

296 g/km

288 g/km

Trunk score

484 L

17.1 cu ft

680 L

24.0 cu ft

Power-to-weight score

249 hp/t

186 kW/t

4.0 kg/hp

234 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 6.0 TSI W12	Mercedes-Benz GLS (X166) AMG GLS 63
Consumption	13.1 L/100 km18 mpg US21.6 mpg UK	12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km	22.93 LC100 km	21.53 LC100 km
Cost / 100 mi	36.89 LC100 mi	34.64 LC100 mi
Annual fuel used	1,965 L519 US gal432 UK gal	1,845 L487 US gal406 UK gal
Annual fuel cost	3,439 LC/year	3,229 LC/year