Car comparison

Mercedes-Benz GLS (X166) GLS 350dvsLexus LX III · Facelift 2015 450d V8

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

New comparison

Mercedes-Benz GLS (X166)

GLS 350d

258 hp2987 ccDieselAWDAutomaticTurbochargedSUV2015-2019
VS

Lexus LX III · Facelift 2015

450d V8

272 hp4461 ccDieselAWDAutomaticTurbochargedSUV2015-2021

Comparison overview

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

Best choices

Mercedes-Benz GLS (X166) GLS 350d

  • Quickest 0-100 km/h
    7.8 s
  • Fastest top speed
    222 km/h
    138 mph
  • Lightest
    2,380 kg
    5,247 lb
  • Best power-to-weight
    108 hp/t
    81 kW/t
    9.2 kg/hp
  • Lowest combined fuel consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Lowest city consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest highway consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Lowest CO2 emissions
    199 g/km
  • Best estimated range
    1,316 km
    818 mi
  • Best overall score
    66/100
  • Best performance score
    54/100
  • Best economy score
    86/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X166)GLS 350dLexusLX IIIFacelift 2015450d V8
Power
258hp192kW
272hp203kW
Torque
620Nm457lb-ft
650Nm479lb-ft
Curb weight
2,380kg5,247lb
2,840kg6,261lb
Gross weight
3,250kg7,165lb
3,350kg7,385lb
Top speed
222 km/h
138 mph
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph
Calculated
To 99% top speed
104.5s99% target: 220 km/h / 137 mph
Calculated
126.0s99% target: 218 km/h / 135 mph
Calculated
0-100 km/h
7.8s
8.6s
0-200 km/h
43.5s
Calculated
53.1s
Calculated
0-60 mph
7.3s
Calculated
8.1s
Calculated
Fuel consumption
7.6L/100 km30.9mpg US37.2mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city
8.2L/100 km28.7mpg US34.4mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption highway
7.2L/100 km32.7mpg US39.2mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Quarter mile
15.7s
Calculated
16.2s
Calculated
Power-to-weight
108hp/t81kW/t49hp/1000 lb
Calculated
96hp/t71kW/t43hp/1000 lb
Calculated
Torque-to-weight
261Nm/t174lb-ft/ton
Calculated
229Nm/t153lb-ft/ton
Calculated
Estimated range
1,316km818mi
Calculated
979km608mi
Calculated
Displacement
2,987cc182cu in
4,461cc272cu in
Length
5,130mm202in
5,065mm199in
Width
1,934mm76in
1,980mm78in
Height
1,850mm73in
1,910mm75in
Wheelbase
3,075mm121in
2,850mm112in
Front track
1,655mm65in
1,640mm65in
Rear track
1,675mm66in
1,635mm64in
Ground clearance-
225mm9in
Trunk volume
680L
701L
Max trunk volume
2,300L
-
Doors
5
5
Seats
5
5
Fuel tank
100L
93L
CO2 emissions
199g/km
250g/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.

Mercedes-Benz GLS (X166) GLS 350dLexus LX III Facelift 2015 450d V8PowerTorque
  • Mercedes-Benz GLS (X166) GLS 350d: Power / Torque
  • Lexus LX III Facelift 2015 450d V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLS (X166)GLS 350d3,400 rpm1,600-2,400 rpm3,650 rpm
LexusLX IIIFacelift 2015450d V83,600 rpm1,600-2,800 rpm3,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLS (X166)GLS 350dLexusLX IIIFacelift 2015450d V8
Acceleration checkpoints
0-60 mph
0-97 km/h
7.3 s
8.1 s
0-100 km/h
0-62 mph
7.8 s
8.6 s
0-200 km/h
0-124 mph
43.5 s
53.1 s
Top speed
222 km/h
138 mph
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.6 s
6.8 s
1/8 mile
201 m
10.1 s
10.4 s
1000 ft
305 m
13.1 s
13.5 s
1/4 mile
402 m
15.7 s
16.2 s
Trap speed
1/4 mile
402 m
143 km/h
89 mph
137 km/h
85 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 350d
258 hp
192 kW
LexusLX IIIFacelift 2015450d V8
272 hp
203 kW

Lexus LX III Facelift 2015 450d V8 has 14 hp more than Mercedes-Benz GLS (X166) GLS 350d.

The biggest power difference is between Mercedes-Benz GLS (X166) GLS 350d and Lexus LX III Facelift 2015 450d V8: 14 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 350d
620 Nm
457 lb-ft
LexusLX IIIFacelift 2015450d V8
650 Nm
479 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 350d
2,380 kg
5,247 lb
LexusLX IIIFacelift 2015450d V8
2,840 kg
6,261 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 350d
222 km/h
138 mph
LexusLX IIIFacelift 2015450d V8
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 350d7.8 s
LexusLX IIIFacelift 2015450d V88.6 s

Although Lexus LX III Facelift 2015 450d V8 has more power, Mercedes-Benz GLS (X166) GLS 350d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz GLS (X166) GLS 350d and Lexus LX III Facelift 2015 450d V8: 0.8 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 350d
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
LexusLX IIIFacelift 2015450d V8
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLS (X166) GLS 350d and Lexus LX III Facelift 2015 450d V8: 1.9 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 350d
108 hp/t
81 kW/t
9.2 kg/hp
LexusLX IIIFacelift 2015450d V8
96 hp/t
71 kW/t
10.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 350d
1,316 km
818 mi
LexusLX IIIFacelift 2015450d V8
979 km
608 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLS (X166)GLS 350d
258 hp
192 kW
7.8 s
222 km/h
138 mph
LexusLX IIIFacelift 2015450d V8
272 hp
203 kW
8.6 s
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Mercedes-BenzGLS (X166)GLS 350d
Power
258 hp
192 kW
0-100 km/h7.8 s
Top speed
222 km/h
138 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
LexusLX IIIFacelift 2015450d V8
Power
272 hp
203 kW
0-100 km/h8.6 s
Top speed
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph
Doors/seats
5 doors
5 seats
Trunk
701 L
24.8 cu ft
Length
5,065 mm
199.4 in
Height
1,910 mm
75.2 in

Performance vs fuel economy

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

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Mercedes-BenzGLS (X166)GLS 350d
Power
258 hp
192 kW
0-100 km/h7.8 s
Top speed
222 km/h
138 mph
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
LexusLX IIIFacelift 2015450d V8
Power
272 hp
203 kW
0-100 km/h8.6 s
Top speed
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Mercedes-Benz GLS (X166) GLS 350d 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
VehicleFuel consumption, L/100 km0-100 km/h, s
Mercedes-BenzGLS (X166)GLS 350d
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
7.8 s
LexusLX IIIFacelift 2015450d V8
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
8.6 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzGLS (X166)GLS 350d
108 hp/t
81 kW/t
9.2 kg/hp
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
LexusLX IIIFacelift 2015450d V8
96 hp/t
71 kW/t
10.4 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X166)GLS 350dLexusLX IIIFacelift 2015450d V8
Power
258 hp
192 kW
272 hp
203 kW
Torque
620 Nm
457 lb-ft
650 Nm
479 lb-ft
Acceleration
7.8 s
8.6 s
Top speed
222 km/h
138 mph
Unrestricted
220 km/h137 mph
Restricted
210 km/h130 mph
Lightness
2,380 kg
5,247 lb
2,840 kg
6,261 lb
Fuel consumption
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Practicality
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
Doors/seats
5 doors
5 seats
Trunk
701 L
24.8 cu ft
Length
5,065 mm
199.4 in
Height
1,910 mm
75.2 in
Range score
1,316 km
818 mi
979 km
608 mi
CO2 score
199 g/km
250 g/km
Trunk score
680 L
24.0 cu ft
701 L
24.8 cu ft
Power-to-weight score
108 hp/t
81 kW/t
9.2 kg/hp
96 hp/t
71 kW/t
10.4 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

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

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
VehicleMercedes-Benz GLS (X166) GLS 350dLexus LX III Facelift 2015 450d V8
Consumption7.6 L/100 km30.9 mpg US37.2 mpg UK9.5 L/100 km24.8 mpg US29.7 mpg UK
Cost / 100 km13.30 LC100 km16.63 LC100 km
Cost / 100 mi21.40 LC100 mi26.76 LC100 mi
Annual fuel used1,140 L301 US gal251 UK gal1,425 L376 US gal313 UK gal
Annual fuel cost1,995 LC/year2,494 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X166) GLS 350d

  • Is 460 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Uses 1.9 L/100 km less fuel
  • Has 13 hp/t better power-to-weight
  • Has 337 km (209 mi) more estimated range
  • Emits 51 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Lowest power
  • Smallest trunk

Lexus LX III Facelift 2015 450d V8

  • Has 14 hp more
  • Has 30 Nm more
  • Has 21 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLS (X166) GLS 350d
Lexus LX III 450d V8
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