Car comparison

Mercedes-Benz GLS (X166) AMG GLS 63vsMercedes-Benz M-class (W166) AMG ML 63 V8

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

New comparison

Mercedes-Benz GLS (X166)

AMG GLS 63

585 hp5461 ccGasolineAWDAutomaticTwin-turboSUV2015-2019
VS

Mercedes-Benz M-class (W166)

AMG ML 63 V8

523 hp5461 ccGasolineAWDTwin-turboSUV2012-2015

Comparison overview

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

Best choices

Mercedes-Benz GLS (X166) AMG GLS 63

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    585 hp
    436 kW
  • Highest torque
    760 Nm
    561 lb-ft
  • Best power-to-weight
    234 hp/t
    174 kW/t
    4.3 kg/hp
  • Best estimated range
    813 km
    505 mi
  • Best overall score
    85/100
  • Best performance score
    81/100
  • Best practicality score
    93/100

Mercedes-Benz M-class (W166) AMG ML 63 V8

  • Lightest
    2,345 kg
    5,170 lb
  • Lowest combined fuel consumption
    11.8 L/100 km
    19.9 mpg US
    23.9 mpg UK
  • Lowest city consumption
    15.7 L/100 km
    15.0 mpg US
    18.0 mpg UK
  • Lowest highway consumption
    9.6 L/100 km
    24.5 mpg US
    29.4 mpg UK
  • Lowest CO2 emissions
    276 g/km
  • Largest trunk
    690 L
  • Best economy score
    75/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X166)AMG GLS 63Mercedes-BenzM-class (W166)AMG ML 63 V8
Power
585hp436kW
523hp390kW
Torque
760Nm561lb-ft
700Nm516lb-ft
Curb weight
2,505kg5,523lb
2,345kg5,170lb
Gross weight
3,290kg7,253lb
3,050kg6,724lb
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
60.5s99% target: 257 km/h / 160 mph
Calculated
68.5s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.6s
4.8s
0-200 km/h
16.3s
Calculated
17.7s
Calculated
0-60 mph
4.4s
Calculated
4.6s
Calculated
Fuel consumption
12.3L/100 km19.1mpg US23.0mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption city
15.8L/100 km14.9mpg US17.9mpg UK
15.7L/100 km15mpg US18.0mpg UK
Fuel consumption highway
10.3L/100 km22.8mpg US27.4mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Quarter mile
12.7s
Calculated
13.0s
Calculated
Power-to-weight
234hp/t174kW/t106hp/1000 lb
Calculated
223hp/t166kW/t101hp/1000 lb
Calculated
Torque-to-weight
303Nm/t203lb-ft/ton
Calculated
299Nm/t200lb-ft/ton
Calculated
Estimated range
813km505mi
Calculated
788km490mi
Calculated
Displacement
5,461cc333cu in
5,461cc333cu in
Length
5,130mm202in
4,804mm189in
Width
1,934mm76in
1,926mm76in
Height
1,850mm73in
1,796mm71in
Wheelbase
3,075mm121in
2,915mm115in
Front track
1,655mm65in
1,648mm65in
Rear track
1,675mm66in
1,663mm65in
Trunk volume
680L
690L
Max trunk volume
2,300L
2,010L
Doors
5
5
Seats
5
5
Fuel tank
100L
93L
CO2 emissions
288g/km
276g/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) AMG GLS 63Mercedes-Benz M-class (W166) AMG ML 63 V8PowerTorque
  • Mercedes-Benz GLS (X166) AMG GLS 63: Power / Torque
  • Mercedes-Benz M-class (W166) AMG ML 63 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLS (X166)AMG GLS 635,500 rpm1,750-5,250 rpm5,750 rpm
Mercedes-BenzM-class (W166)AMG ML 63 V85,250-5,750 rpm1,750-5,000 rpm6,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLS (X166)AMG GLS 63Mercedes-BenzM-class (W166)AMG ML 63 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.6 s
0-100 km/h
0-62 mph
4.6 s
4.8 s
0-200 km/h
0-124 mph
16.3 s
17.7 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
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.5 s
5.6 s
1/8 mile
201 m
8.3 s
8.4 s
1000 ft
305 m
10.7 s
10.9 s
1/4 mile
402 m
12.7 s
13.0 s
Trap speed
1/4 mile
402 m
180 km/h
112 mph
176 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)AMG GLS 63
585 hp
436 kW
Mercedes-BenzM-class (W166)AMG ML 63 V8
523 hp
390 kW

Mercedes-Benz GLS (X166) AMG GLS 63 has 62 hp more than Mercedes-Benz M-class (W166) AMG ML 63 V8.

The biggest power difference is between Mercedes-Benz M-class (W166) AMG ML 63 V8 and Mercedes-Benz GLS (X166) AMG GLS 63: 62 hp (46 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)AMG GLS 63
760 Nm
561 lb-ft
Mercedes-BenzM-class (W166)AMG ML 63 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)AMG GLS 63
2,505 kg
5,523 lb
Mercedes-BenzM-class (W166)AMG ML 63 V8
2,345 kg
5,170 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)AMG GLS 63
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzM-class (W166)AMG ML 63 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)AMG GLS 634.6 s
Mercedes-BenzM-class (W166)AMG ML 63 V84.8 s

The biggest 0-100 km/h difference is between Mercedes-Benz GLS (X166) AMG GLS 63 and Mercedes-Benz M-class (W166) AMG ML 63 V8: 0.2 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)AMG GLS 63
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Mercedes-BenzM-class (W166)AMG ML 63 V8
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz M-class (W166) AMG ML 63 V8 and Mercedes-Benz GLS (X166) AMG GLS 63: 0.5 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)AMG GLS 63
234 hp/t
174 kW/t
4.3 kg/hp
Mercedes-BenzM-class (W166)AMG ML 63 V8
223 hp/t
166 kW/t
4.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X166)AMG GLS 63
813 km
505 mi
Mercedes-BenzM-class (W166)AMG ML 63 V8
788 km
490 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLS (X166)AMG GLS 63
585 hp
436 kW
4.6 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzM-class (W166)AMG ML 63 V8
523 hp
390 kW
4.8 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)AMG GLS 63
Power
585 hp
436 kW
0-100 km/h4.6 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
Mercedes-BenzM-class (W166)AMG ML 63 V8
Power
523 hp
390 kW
0-100 km/h4.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
690 L
24.4 cu ft
Length
4,804 mm
189.1 in
Height
1,796 mm
70.7 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)AMG GLS 63
Power
585 hp
436 kW
0-100 km/h4.6 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
Mercedes-BenzM-class (W166)AMG ML 63 V8
Power
523 hp
390 kW
0-100 km/h4.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

Mercedes-Benz GLS (X166) AMG GLS 63 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)AMG GLS 63
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
4.6 s
Mercedes-BenzM-class (W166)AMG ML 63 V8
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
4.8 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)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
Mercedes-BenzM-class (W166)AMG ML 63 V8
223 hp/t
166 kW/t
4.5 kg/hp
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X166)AMG GLS 63Mercedes-BenzM-class (W166)AMG ML 63 V8
Power
585 hp
436 kW
523 hp
390 kW
Torque
760 Nm
561 lb-ft
700 Nm
516 lb-ft
Acceleration
4.6 s
4.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,505 kg
5,523 lb
2,345 kg
5,170 lb
Fuel consumption
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
11.8 L/100 km
19.9 mpg US
23.9 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
690 L
24.4 cu ft
Length
4,804 mm
189.1 in
Height
1,796 mm
70.7 in
Range score
813 km
505 mi
788 km
490 mi
CO2 score
288 g/km
276 g/km
Trunk score
680 L
24.0 cu ft
690 L
24.4 cu ft
Power-to-weight score
234 hp/t
174 kW/t
4.3 kg/hp
223 hp/t
166 kW/t
4.5 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) AMG GLS 63Mercedes-Benz M-class (W166) AMG ML 63 V8
Consumption12.3 L/100 km19.1 mpg US23 mpg UK11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km21.53 LC100 km20.65 LC100 km
Cost / 100 mi34.64 LC100 mi33.23 LC100 mi
Annual fuel used1,845 L487 US gal406 UK gal1,770 L468 US gal389 UK gal
Annual fuel cost3,229 LC/year3,098 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X166) AMG GLS 63

  • Has 62 hp more
  • Has 60 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 11 hp/t better power-to-weight
  • Has 25 km (15 mi) more estimated range

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

Mercedes-Benz M-class (W166) AMG ML 63 V8

  • Is 160 kg lighter
  • Uses 0.5 L/100 km less fuel
  • Has 10 L more trunk volume
  • Emits 12 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLS (X166) AMG GLS 63
Mercedes-Benz M-class (W166) AMG ML 63 V8
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