Car comparison

Mercedes-Benz GLS (X166) GLS 500vsMercedes-Benz GLS (X167) GLS 450

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

New comparison

Mercedes-Benz GLS (X166)

GLS 500

456 hp4663 ccGasolineAWDAutomaticTwin-turboSUV2015-2019
VS

Mercedes-Benz GLS (X167)

GLS 450

367 hp2999 ccGasolineAWDAutomaticTurbochargedSUV2020-2023

Comparison overview

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

Best choices

Mercedes-Benz GLS (X166) GLS 500

  • Quickest 0-100 km/h
    5.3 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    456 hp
    340 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    2,370 kg
    5,225 lb
  • Best power-to-weight
    192 hp/t
    143 kW/t
    5.2 kg/hp
  • Largest trunk
    680 L
  • Best overall score
    81/100
  • Best performance score
    76/100
  • Best practicality score
    93/100

Mercedes-Benz GLS (X167) GLS 450

  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    12.2 L/100 km
    19.3 mpg US
    23.2 mpg UK
  • Lowest highway consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Best estimated range
    957 km
    595 mi
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X166)GLS 500Mercedes-BenzGLS (X167)GLS 450
Power
456hp340kW
367hp274kW
Torque
700Nm516lb-ft
500Nm369lb-ft
Curb weight
2,370kg5,225lb
2,385kg5,258lb
Gross weight
3,250kg7,165lb
3,230kg7,121lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
246 km/h
153 mph
To 99% top speed
75.5s99% target: 257 km/h / 160 mph
Calculated
91.5s99% target: 244 km/h / 151 mph
Calculated
0-100 km/h
5.3s
6.2s
0-200 km/h
19.6s
Calculated
26.3s
Calculated
0-60 mph
5.0s
Calculated
5.9s
Calculated
Fuel consumption
11.3L/100 km20.8mpg US25.0mpg UK
9.4L/100 km25mpg US30.1mpg UK
Fuel consumption city
14.9L/100 km15.8mpg US19.0mpg UK
12.2L/100 km19.3mpg US23.2mpg UK
Fuel consumption highway
9.2L/100 km25.6mpg US30.7mpg UK
7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile
13.5s
Calculated
14.3s
Calculated
Power-to-weight
192hp/t143kW/t87hp/1000 lb
Calculated
154hp/t115kW/t70hp/1000 lb
Calculated
Torque-to-weight
295Nm/t198lb-ft/ton
Calculated
210Nm/t140lb-ft/ton
Calculated
Estimated range
885km550mi
Calculated
957km595mi
Calculated
Displacement
4,663cc285cu in
2,999cc183cu in
Length
5,130mm202in
5,207mm205in
Width
1,934mm76in
2,030mm80in
Height
1,850mm73in
1,838mm72in
Wheelbase
3,075mm121in
3,135mm123in
Front track
1,655mm65in
1,669mm66in
Rear track
1,675mm66in
1,692mm67in
Ground clearance-
215mm8in
Trunk volume
680L
355L
Max trunk volume
2,300L
2,400L
Doors
5
5
Seats
5
7
Fuel tank
100L
90L
CO2 emissions
264g/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
MetricMercedes-BenzGLS (X166)GLS 500Mercedes-BenzGLS (X167)GLS 450
Acceleration checkpoints
0-60 mph
0-97 km/h
5.0 s
5.9 s
0-100 km/h
0-62 mph
5.3 s
6.2 s
0-200 km/h
0-124 mph
19.6 s
26.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
246 km/h
153 mph
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.8 s
6.1 s
1/8 mile
201 m
8.8 s
9.3 s
1000 ft
305 m
11.3 s
12.0 s
1/4 mile
402 m
13.5 s
14.3 s
Trap speed
1/4 mile
402 m
171 km/h
106 mph
158 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 500
456 hp
340 kW
Mercedes-BenzGLS (X167)GLS 450
367 hp
274 kW

Mercedes-Benz GLS (X166) GLS 500 has 89 hp more than Mercedes-Benz GLS (X167) GLS 450.

The biggest power difference is between Mercedes-Benz GLS (X167) GLS 450 and Mercedes-Benz GLS (X166) GLS 500: 89 hp (66 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 500
700 Nm
516 lb-ft
Mercedes-BenzGLS (X167)GLS 450
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 500
2,370 kg
5,225 lb
Mercedes-BenzGLS (X167)GLS 450
2,385 kg
5,258 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 500
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzGLS (X167)GLS 450
246 km/h
153 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 5005.3 s
Mercedes-BenzGLS (X167)GLS 4506.2 s

The biggest 0-100 km/h difference is between Mercedes-Benz GLS (X166) GLS 500 and Mercedes-Benz GLS (X167) GLS 450: 0.9 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 500
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
Mercedes-BenzGLS (X167)GLS 450
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLS (X167) GLS 450 and Mercedes-Benz GLS (X166) GLS 500: 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 500
192 hp/t
143 kW/t
5.2 kg/hp
Mercedes-BenzGLS (X167)GLS 450
154 hp/t
115 kW/t
6.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)GLS 500
885 km
550 mi
Mercedes-BenzGLS (X167)GLS 450
957 km
595 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLS (X166)GLS 500
456 hp
340 kW
5.3 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzGLS (X167)GLS 450
367 hp
274 kW
6.2 s
246 km/h
153 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 500
Power
456 hp
340 kW
0-100 km/h5.3 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
Mercedes-BenzGLS (X167)GLS 450
Power
367 hp
274 kW
0-100 km/h6.2 s
Top speed
246 km/h
153 mph
Doors/seats
5 doors
7 seats
Trunk
355 L
12.5 cu ft
Length
5,207 mm
205.0 in
Height
1,838 mm
72.4 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 500
Power
456 hp
340 kW
0-100 km/h5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
Mercedes-BenzGLS (X167)GLS 450
Power
367 hp
274 kW
0-100 km/h6.2 s
Top speed
246 km/h
153 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

Mercedes-Benz GLS (X166) GLS 500 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 500
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
5.3 s
Mercedes-BenzGLS (X167)GLS 450
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
6.2 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzGLS (X166)GLS 500
192 hp/t
143 kW/t
5.2 kg/hp
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
Mercedes-BenzGLS (X167)GLS 450
154 hp/t
115 kW/t
6.5 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X166)GLS 500Mercedes-BenzGLS (X167)GLS 450
Power
456 hp
340 kW
367 hp
274 kW
Torque
700 Nm
516 lb-ft
500 Nm
369 lb-ft
Acceleration
5.3 s
6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
246 km/h
153 mph
Lightness
2,370 kg
5,225 lb
2,385 kg
5,258 lb
Fuel consumption
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
9.4 L/100 km
25.0 mpg US
30.1 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
7 seats
Trunk
355 L
12.5 cu ft
Length
5,207 mm
205.0 in
Height
1,838 mm
72.4 in
Range score
885 km
550 mi
957 km
595 mi
CO2 score
264 g/km
-
Trunk score
680 L
24.0 cu ft
355 L
12.5 cu ft
Power-to-weight score
192 hp/t
143 kW/t
5.2 kg/hp
154 hp/t
115 kW/t
6.5 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 500Mercedes-Benz GLS (X167) GLS 450
Consumption11.3 L/100 km20.8 mpg US25 mpg UK9.4 L/100 km25 mpg US30.1 mpg UK
Cost / 100 km19.78 LC100 km16.45 LC100 km
Cost / 100 mi31.82 LC100 mi26.47 LC100 mi
Annual fuel used1,695 L448 US gal373 UK gal1,410 L372 US gal310 UK gal
Annual fuel cost2,966 LC/year2,468 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X166) GLS 500

  • Has 89 hp more
  • Has 200 Nm more
  • Is 15 kg lighter
  • Is 0.9 s quicker from 0-100 km/h
  • Has 14 km/h (9 mph) higher top speed
  • Has 39 hp/t better power-to-weight
  • Has 325 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption

Mercedes-Benz GLS (X167) GLS 450

  • Uses 1.9 L/100 km less fuel
  • Has 72 km (45 mi) more estimated range

Pros

  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Lowest top speed
  • Smallest trunk

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Model
Generation
Engine or modification
Mercedes-Benz GLS (X166) GLS 500
Mercedes-Benz GLS (X167) GLS 450
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