Car comparison

Mercedes-Benz GLS (X166) GLS 500vsMercedes-Benz GLS (X167) GLS 580 V8

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 580 V8

489 hp3982 ccGasolineAWDAutomaticTwin-turboSUV2019-2020

Comparison overview

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

Best choices

Mercedes-Benz GLS (X167) GLS 580 V8

  • Most powerful
    489 hp
    365 kW
  • Best power-to-weight
    198 hp/t
    148 kW/t
    5.1 kg/hp
  • Lowest combined fuel consumption
    10.0 L/100 km
    23.5 mpg US
    28.2 mpg UK
  • Lowest city consumption
    12.8 L/100 km
    18.4 mpg US
    22.1 mpg UK
  • Lowest highway consumption
    8.6 L/100 km
    27.4 mpg US
    32.8 mpg UK
  • Best estimated range
    900 km
    559 mi
  • Best performance score
    77/100
  • Best economy score
    80/100

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
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    2,370 kg
    5,225 lb
  • Largest trunk
    680 L
  • Best overall score
    81/100
  • Best practicality score
    93/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X166)GLS 500Mercedes-BenzGLS (X167)GLS 580 V8
Power
456hp340kW
489hp365kW
Torque
700Nm516lb-ft
700Nm516lb-ft
Curb weight
2,370kg5,225lb
2,470kg5,445lb
Gross weight
3,250kg7,165lb
3,250kg7,165lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
75.5s99% target: 257 km/h / 160 mph
Calculated
77.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.3s
5.3s
0-200 km/h
19.6s
Calculated
19.8s
Calculated
0-60 mph
5.0s
Calculated
5.0s
Calculated
Fuel consumption
11.3L/100 km20.8mpg US25.0mpg UK
10L/100 km23.5mpg US28.2mpg UK
Fuel consumption city
14.9L/100 km15.8mpg US19.0mpg UK
12.8L/100 km18.4mpg US22.1mpg UK
Fuel consumption highway
9.2L/100 km25.6mpg US30.7mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Quarter mile
13.5s
Calculated
13.5s
Calculated
Power-to-weight
192hp/t143kW/t87hp/1000 lb
Calculated
198hp/t148kW/t90hp/1000 lb
Calculated
Torque-to-weight
295Nm/t198lb-ft/ton
Calculated
283Nm/t190lb-ft/ton
Calculated
Estimated range
885km550mi
Calculated
900km559mi
Calculated
Displacement
4,663cc285cu in
3,982cc243cu 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.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz GLS (X166) GLS 500Mercedes-Benz GLS (X167) GLS 580 V8PowerTorque
  • Mercedes-Benz GLS (X166) GLS 500: Power / Torque
  • Mercedes-Benz GLS (X167) GLS 580 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLS (X166)GLS 5005,250-5,500 rpm1,800-4,000 rpm5,750 rpm
Mercedes-BenzGLS (X167)GLS 580 V8-2,000-4,000 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLS (X166)GLS 500Mercedes-BenzGLS (X167)GLS 580 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.0 s
5.0 s
0-100 km/h
0-62 mph
5.3 s
5.3 s
0-200 km/h
0-124 mph
19.6 s
19.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.8 s
5.8 s
1/8 mile
201 m
8.8 s
8.8 s
1000 ft
305 m
11.3 s
11.3 s
1/4 mile
402 m
13.5 s
13.5 s
Trap speed
1/4 mile
402 m
171 km/h
106 mph
170 km/h
106 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 580 V8
489 hp
365 kW

Mercedes-Benz GLS (X167) GLS 580 V8 has 33 hp more than Mercedes-Benz GLS (X166) GLS 500.

The biggest power difference is between Mercedes-Benz GLS (X166) GLS 500 and Mercedes-Benz GLS (X167) GLS 580 V8: 33 hp (25 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 580 V8
700 Nm
516 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 580 V8
2,470 kg
5,445 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 580 V8
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
VehicleValue
Mercedes-BenzGLS (X166)GLS 5005.3 s
Mercedes-BenzGLS (X167)GLS 580 V85.3 s

Although Mercedes-Benz GLS (X167) GLS 580 V8 has more power, Mercedes-Benz GLS (X166) GLS 500 is quicker from 0-100 km/h.

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 580 V8
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLS (X167) GLS 580 V8 and Mercedes-Benz GLS (X166) GLS 500: 1.3 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 580 V8
198 hp/t
148 kW/t
5.1 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 580 V8
900 km
559 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 580 V8
489 hp
365 kW
5.3 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.

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 580 V8
Power
489 hp
365 kW
0-100 km/h5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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 580 V8
Power
489 hp
365 kW
0-100 km/h5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Mercedes-Benz GLS (X167) GLS 580 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
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 580 V8
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
5.3 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 580 V8
198 hp/t
148 kW/t
5.1 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X166)GLS 500Mercedes-BenzGLS (X167)GLS 580 V8
Power
456 hp
340 kW
489 hp
365 kW
Torque
700 Nm
516 lb-ft
700 Nm
516 lb-ft
Acceleration
5.3 s
5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,370 kg
5,225 lb
2,470 kg
5,445 lb
Fuel consumption
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
10.0 L/100 km
23.5 mpg US
28.2 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
900 km
559 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
198 hp/t
148 kW/t
5.1 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 580 V8
Consumption11.3 L/100 km20.8 mpg US25 mpg UK10 L/100 km23.5 mpg US28.2 mpg UK
Cost / 100 km19.78 LC100 km17.50 LC100 km
Cost / 100 mi31.82 LC100 mi28.16 LC100 mi
Annual fuel used1,695 L448 US gal373 UK gal1,500 L396 US gal330 UK gal
Annual fuel cost2,966 LC/year2,625 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X166) GLS 500

  • Is 100 kg lighter
  • Has 325 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lightest
  • Largest trunk

Cons

  • Lowest power
  • Highest combined fuel consumption

Mercedes-Benz GLS (X167) GLS 580 V8

  • Has 33 hp more
  • Uses 1.3 L/100 km less fuel
  • Has 6 hp/t better power-to-weight
  • Has 15 km (9 mi) more estimated range

Pros

  • Most powerful
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLS (X166) GLS 500
Mercedes-Benz GLS (X167) GLS 580 V8
Compare selected cars
2 vehicles selected

Popular comparisons

GLS 500
GLS 580 V8
VS
Mercedes-BenzGLS (X166)GLS 500vsMercedes-BenzGLS (X167)GLS 580 V8
GLS 580 V8
GLS 600 V8
VS
Mercedes-BenzGLS (X167)GLS 580 V8vsMercedes-BenzMaybach GLS (X167)GLS 600 V8
GLS 580 V8
GLS 580 V8
VS
Mercedes-BenzGLS (X167)GLS 580 V8vsMercedes-BenzGLS (X167)Facelift 2023GLS 580 V8
GLS 580 V8
AMG GLS 63
VS
Mercedes-BenzGLS (X167)GLS 580 V8vsMercedes-BenzGLS (X166)AMG GLS 63
GLS 500
GLS 600 V8
VS
Mercedes-BenzGLS (X166)GLS 500vsMercedes-BenzMaybach GLS (X167)Facelift 2023GLS 600 V8
GLS 500
GLS 450
VS
Mercedes-BenzGLS (X166)GLS 500vsMercedes-BenzGLS (X167)Facelift 2026GLS 450
GLS 580 V8
GLS 680 V8
VS
Mercedes-BenzGLS (X167)GLS 580 V8vsMercedes-BenzMaybach GLS (X167)Facelift 2026GLS 680 V8
GLS 500
GL 500
VS
Mercedes-BenzGLS (X166)GLS 500vsMercedes-BenzGL (X166)GL 500
GLS 580 V8
AMG EQE 43 100 kWh
VS
Mercedes-BenzGLS (X167)GLS 580 V8vsMercedes-BenzEQE SUV (X294)AMG EQE 43 100 kWh
GLS 500
ML 500 V8
VS
Mercedes-BenzGLS (X166)GLS 500vsMercedes-BenzM-class (W166)ML 500 V8
GLS 580 V8
EQS 500 120 kWh
VS
Mercedes-BenzGLS (X167)GLS 580 V8vsMercedes-BenzEQS SUV (X296)EQS 500 120 kWh
GLS 500
AMG GLA 45
VS
Mercedes-BenzGLS (X166)GLS 500vsMercedes-BenzGLA (X156)Facelift 2017AMG GLA 45
Mercedes-Benz GLS (X166) GLS 500 vs Mercedes-Benz GLS (X167) GLS 580 V8 - car comparison - FastVsFaster