Car comparison

Bentley Bentayga 4.0 V8vsMercedes-Benz GLS (X166) AMG GLS 63

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

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 4.0 V8

Quickest 0-100 km/h
4.5 s
Fastest top speed
290 km/h
180 mph
Highest torque
770 Nm
568 lb-ft
Lightest
2,428 kg
5,353 lb
Lowest combined fuel consumption
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Lowest city consumption
15.6 L/100 km
15.1 mpg US
18.1 mpg UK
Lowest highway consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Best performance score
84/100
Best economy score
76/100

Mercedes-Benz GLS (X166) AMG GLS 63

Most powerful
585 hp
436 kW
Best power-to-weight
234 hp/t
174 kW/t
4.3 kg/hp
Best estimated range
813 km
505 mi
Largest trunk
680 L
Best overall score
85/100
Best practicality score
93/100

Specification comparison

Specification comparison
Model	BentleyBentayga4.0 V8	Mercedes-BenzGLS (X166)AMG GLS 63
Power	550hp410kW	585hp436kW
Torque	770Nm568lb-ft	760Nm561lb-ft
Curb weight	2,428kg5,353lb	2,505kg5,523lb
Gross weight	3,250kg7,165lb	3,290kg7,253lb
Top speed	290 km/h 180 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	70.1s99% target: 287 km/h / 178 mph Calculated	60.5s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	4.5s	4.6s
0-200 km/h	14.5s Calculated	16.3s Calculated
0-60 mph	4.3s Calculated	4.4s Calculated
Fuel consumption	11.4L/100 km20.6mpg US24.8mpg UK	12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city	15.6L/100 km15.1mpg US18.1mpg UK	15.8L/100 km14.9mpg US17.9mpg UK
Fuel consumption highway	9L/100 km26.1mpg US31.4mpg UK	10.3L/100 km22.8mpg US27.4mpg UK
Quarter mile	12.5s Calculated	12.7s Calculated
Power-to-weight	227hp/t169kW/t103hp/1000 lb Calculated	234hp/t174kW/t106hp/1000 lb Calculated
Torque-to-weight	317Nm/t212lb-ft/ton Calculated	303Nm/t203lb-ft/ton Calculated
Estimated range	746km463mi Calculated	813km505mi Calculated
Displacement	3,996cc244cu 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	-	1,655mm65in
Rear track	-	1,675mm66in
Trunk volume	215L	680L
Max trunk volume	1,774L	2,300L
Doors	5	5
Seats	7	5
Fuel tank	85L	100L
CO2 emissions	-	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 4.0 V8Mercedes-Benz GLS (X166) AMG GLS 63PowerTorque

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
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	BentleyBentayga4.0 V8	Mercedes-BenzGLS (X166)AMG GLS 63
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.3 s	4.4 s
0-100 km/h 0-62 mph	4.5 s	4.6 s
0-200 km/h 0-124 mph	14.5 s	16.3 s
Top speed	290 km/h 180 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.1 s	2.1 s
330 ft 101 m	5.5 s	5.5 s
1/8 mile 201 m	8.2 s	8.3 s
1000 ft 305 m	10.6 s	10.7 s
1/4 mile 402 m	12.5 s	12.7 s
Trap speed 1/4 mile 402 m	186 km/h 116 mph	180 km/h 112 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
Mercedes-BenzGLS (X166)AMG GLS 63	585 hp 436 kW

Mercedes-Benz GLS (X166) AMG GLS 63 has 35 hp more than Bentley Bentayga 4.0 V8.

The biggest power difference is between Bentley Bentayga 4.0 V8 and Mercedes-Benz GLS (X166) AMG GLS 63: 35 hp (26 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
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
BentleyBentayga4.0 V8	2,428 kg 5,353 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
BentleyBentayga4.0 V8	290 km/h 180 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
BentleyBentayga4.0 V8	4.5 s
Mercedes-BenzGLS (X166)AMG GLS 63	4.6 s

Although Mercedes-Benz GLS (X166) AMG GLS 63 has more power, Bentley Bentayga 4.0 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Bentley Bentayga 4.0 V8 and Mercedes-Benz GLS (X166) AMG GLS 63: 0.1 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
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 Bentley Bentayga 4.0 V8 and Mercedes-Benz GLS (X166) AMG GLS 63: 0.9 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
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
BentleyBentayga4.0 V8	746 km 463 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
BentleyBentayga4.0 V8	550 hp 410 kW	4.5 s	290 km/h 180 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

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

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

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

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 4.0 V8 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
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
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
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

BentleyBentayga4.0 V8

Mercedes-BenzGLS (X166)AMG GLS 63

Power

550 hp

410 kW

585 hp

436 kW

Torque

770 Nm

568 lb-ft

760 Nm

561 lb-ft

Acceleration

4.5 s

4.6 s

Top speed

290 km/h

180 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

2,428 kg

5,353 lb

2,505 kg

5,523 lb

Fuel consumption

11.4 L/100 km

20.6 mpg US

24.8 mpg UK

12.3 L/100 km

19.1 mpg US

23.0 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	680 L 24.0 cu ft
Length	5,130 mm 202.0 in
Height	1,850 mm 72.8 in

Range score

746 km

463 mi

813 km

505 mi

CO2 score

288 g/km

Trunk score

215 L

7.6 cu ft

680 L

24.0 cu ft

Power-to-weight score

227 hp/t

169 kW/t

4.4 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 4.0 V8	Mercedes-Benz GLS (X166) AMG GLS 63
Consumption	11.4 L/100 km20.6 mpg US24.8 mpg UK	12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km	19.95 LC100 km	21.53 LC100 km
Cost / 100 mi	32.11 LC100 mi	34.64 LC100 mi
Annual fuel used	1,710 L452 US gal376 UK gal	1,845 L487 US gal406 UK gal
Annual fuel cost	2,993 LC/year	3,229 LC/year