Car comparison

Bentley Bentayga 3.0 TFSi V6vsMercedes-Benz GLS (X166) GLS 400

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

New comparison

Bentley Bentayga

3.0 TFSi V6

340 hp2995 ccHybridAWDAutomaticTurbochargedSUV2018-2020

Mercedes-Benz GLS (X166)

GLS 400

333 hp2996 ccGasolineAWDAutomaticTwin-turboSUV2015-2019

Comparison overview

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

Bentley Bentayga 3.0 TFSi V6

Quickest 0-100 km/h
5.5 s
Fastest top speed
254 km/h
158 mph
Most powerful
340 hp
254 kW
Lowest combined fuel consumption
3.6 L/100 km
65.3 mpg US
78.5 mpg UK
Best estimated range
2,083 km
1,295 mi
Best performance score
62/100
Best economy score
97/100

Mercedes-Benz GLS (X166) GLS 400

Highest torque
480 Nm
354 lb-ft
Lightest
2,360 kg
5,203 lb
Best power-to-weight
141 hp/t
105 kW/t
7.1 kg/hp
Largest trunk
680 L
Best overall score
71/100
Best practicality score
93/100

Specification comparison

Specification comparison
Model	BentleyBentayga3.0 TFSi V6	Mercedes-BenzGLS (X166)GLS 400
Power	340hp254kW	333hp248kW
Torque	450Nm332lb-ft	480Nm354lb-ft
Curb weight	2,620kg5,776lb	2,360kg5,203lb
Gross weight	3,250kg7,165lb	3,250kg7,165lb
Top speed	254 km/h 158 mph	240 km/h 149 mph
To 99% top speed	86.0s99% target: 251 km/h / 156 mph Calculated	93.3s99% target: 238 km/h / 148 mph Calculated
0-100 km/h	5.5s	6.6s
0-200 km/h	22.3s Calculated	29.1s Calculated
0-60 mph	5.2s Calculated	6.2s Calculated
Fuel consumption	3.6L/100 km65.3mpg US78.5mpg UK	9.4L/100 km25mpg US30.1mpg UK
Fuel consumption city	-	11.7L/100 km20.1mpg US24.1mpg UK
Fuel consumption highway	-	8L/100 km29.4mpg US35.3mpg UK
Quarter mile	13.7s Calculated	14.7s Calculated
Power-to-weight	130hp/t97kW/t59hp/1000 lb Calculated	141hp/t105kW/t64hp/1000 lb Calculated
Torque-to-weight	172Nm/t115lb-ft/ton Calculated	203Nm/t136lb-ft/ton Calculated
Estimated range	2,083km1,295mi Calculated	1,064km661mi Calculated
Displacement	2,995cc183cu in	2,996cc183cu in
Length	5,140mm202in	5,130mm202in
Width	-	1,934mm76in
Height	1,777mm70in	1,850mm73in
Wheelbase	2,995mm118in	3,075mm121in
Front track	-	1,655mm65in
Rear track	-	1,675mm66in
Trunk volume	427L	680L
Max trunk volume	1,770L	2,300L
Doors	5	5
Seats	4	5
Fuel tank	75L	100L
CO2 emissions	-	218g/km

Performance charts

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

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BentleyBentayga3.0 TFSi V6	Mercedes-BenzGLS (X166)GLS 400
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.2 s	6.2 s
0-100 km/h 0-62 mph	5.5 s	6.6 s
0-200 km/h 0-124 mph	22.3 s	29.1 s
Top speed	254 km/h 158 mph	240 km/h 149 mph
	Drag race simulation
60 ft 18 m	2.2 s	2.3 s
330 ft 101 m	5.8 s	6.3 s
1/8 mile 201 m	8.9 s	9.5 s
1000 ft 305 m	11.5 s	12.3 s
1/4 mile 402 m	13.7 s	14.7 s
Trap speed 1/4 mile 402 m	165 km/h 102 mph	154 km/h 96 mph

Power comparison

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

Chart data table
Vehicle	Value
BentleyBentayga3.0 TFSi V6	340 hp 254 kW
Mercedes-BenzGLS (X166)GLS 400	333 hp 248 kW

Bentley Bentayga 3.0 TFSi V6 has 7 hp more than Mercedes-Benz GLS (X166) GLS 400.

The biggest power difference is between Mercedes-Benz GLS (X166) GLS 400 and Bentley Bentayga 3.0 TFSi V6: 7 hp (5 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BentleyBentayga3.0 TFSi V6	450 Nm 332 lb-ft
Mercedes-BenzGLS (X166)GLS 400	480 Nm 354 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BentleyBentayga3.0 TFSi V6	2,620 kg 5,776 lb
Mercedes-BenzGLS (X166)GLS 400	2,360 kg 5,203 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
BentleyBentayga3.0 TFSi V6	254 km/h 158 mph
Mercedes-BenzGLS (X166)GLS 400	240 km/h 149 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
BentleyBentayga3.0 TFSi V6	5.5 s
Mercedes-BenzGLS (X166)GLS 400	6.6 s

The biggest 0-100 km/h difference is between Bentley Bentayga 3.0 TFSi V6 and Mercedes-Benz GLS (X166) GLS 400: 1.1 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
BentleyBentayga3.0 TFSi V6	3.6 L/100 km 65.3 mpg US 78.5 mpg UK
Mercedes-BenzGLS (X166)GLS 400	9.4 L/100 km 25.0 mpg US 30.1 mpg UK

The biggest fuel consumption difference is between Bentley Bentayga 3.0 TFSi V6 and Mercedes-Benz GLS (X166) GLS 400: 5.8 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
BentleyBentayga3.0 TFSi V6	130 hp/t 97 kW/t 7.7 kg/hp
Mercedes-BenzGLS (X166)GLS 400	141 hp/t 105 kW/t 7.1 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BentleyBentayga3.0 TFSi V6	2,083 km 1,295 mi
Mercedes-BenzGLS (X166)GLS 400	1,064 km 661 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BentleyBentayga3.0 TFSi V6	340 hp 254 kW	5.5 s	254 km/h 158 mph
Mercedes-BenzGLS (X166)GLS 400	333 hp 248 kW	6.6 s	240 km/h 149 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

BentleyBentayga3.0 TFSi V6

Power	340 hp 254 kW
0-100 km/h	5.5 s
Top speed 254 km/h 158 mph

Doors/seats	5 doors 4 seats
Trunk	427 L 15.1 cu ft
Length	5,140 mm 202.4 in
Height	1,777 mm 70.0 in

Mercedes-BenzGLS (X166)GLS 400

Power	333 hp 248 kW
0-100 km/h	6.6 s
Top speed 240 km/h 149 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

BentleyBentayga3.0 TFSi V6

Power	340 hp 254 kW
0-100 km/h	5.5 s
Top speed 254 km/h 158 mph

3.6 L/100 km

65.3 mpg US

78.5 mpg UK

Mercedes-BenzGLS (X166)GLS 400

Power	333 hp 248 kW
0-100 km/h	6.6 s
Top speed 240 km/h 149 mph

9.4 L/100 km

25.0 mpg US

30.1 mpg UK

Bentley Bentayga 3.0 TFSi 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
BentleyBentayga3.0 TFSi V6	3.6 L/100 km 65.3 mpg US 78.5 mpg UK	5.5 s
Mercedes-BenzGLS (X166)GLS 400	9.4 L/100 km 25.0 mpg US 30.1 mpg UK	6.6 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
BentleyBentayga3.0 TFSi V6	130 hp/t 97 kW/t 7.7 kg/hp	3.6 L/100 km 65.3 mpg US 78.5 mpg UK
Mercedes-BenzGLS (X166)GLS 400	141 hp/t 105 kW/t 7.1 kg/hp	9.4 L/100 km 25.0 mpg US 30.1 mpg UK

Detailed score breakdown

Vehicle

BentleyBentayga3.0 TFSi V6

Mercedes-BenzGLS (X166)GLS 400

Power

340 hp

254 kW

333 hp

248 kW

Torque

450 Nm

332 lb-ft

480 Nm

354 lb-ft

Acceleration

5.5 s

6.6 s

Top speed

254 km/h

158 mph

240 km/h

149 mph

Lightness

2,620 kg

5,776 lb

2,360 kg

5,203 lb

Fuel consumption

3.6 L/100 km

65.3 mpg US

78.5 mpg UK

9.4 L/100 km

25.0 mpg US

30.1 mpg UK

Practicality

Doors/seats	5 doors 4 seats
Trunk	427 L 15.1 cu ft
Length	5,140 mm 202.4 in
Height	1,777 mm 70.0 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

2,083 km

1,295 mi

1,064 km

661 mi

CO2 score

218 g/km

Trunk score

427 L

15.1 cu ft

680 L

24.0 cu ft

Power-to-weight score

130 hp/t

97 kW/t

7.7 kg/hp

141 hp/t

105 kW/t

7.1 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 3.0 TFSi V6	Mercedes-Benz GLS (X166) GLS 400
Consumption	3.6 L/100 km65.3 mpg US78.5 mpg UK	9.4 L/100 km25 mpg US30.1 mpg UK
Cost / 100 km	6.30 LC100 km	16.45 LC100 km
Cost / 100 mi	10.14 LC100 mi	26.47 LC100 mi
Annual fuel used	540 L143 US gal119 UK gal	1,410 L372 US gal310 UK gal
Annual fuel cost	945.00 LC/year	2,468 LC/year