Car comparison

BMW X5 M (F85) 4.4 V8vsMercedes-Benz GLS (X166) AMG GLS 63

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

New comparison

BMW X5 M (F85)

4.4 V8

575 hp4395 ccGasolineAWDAutomaticTurbochargedSUV2015-2018
VS

Mercedes-Benz GLS (X166)

AMG GLS 63

585 hp5461 ccGasolineAWDAutomaticTwin-turboSUV2015-2019

Comparison overview

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

Best choices

BMW X5 M (F85) 4.4 V8

  • Quickest 0-100 km/h
    4.2 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    2,275 kg
    5,016 lb
  • Best power-to-weight
    253 hp/t
    188 kW/t
    4.0 kg/hp
  • Lowest combined fuel consumption
    11.1 L/100 km
    21.2 mpg US
    25.4 mpg UK
  • Lowest city consumption
    14.7 L/100 km
    16.0 mpg US
    19.2 mpg UK
  • Lowest highway consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest CO2 emissions
    258 g/km
  • Best overall score
    85/100
  • Best performance score
    82/100
  • Best economy score
    77/100

Specification comparison

Specification comparison
ModelBMWX5 M (F85)4.4 V8Mercedes-BenzGLS (X166)AMG GLS 63
Power
575hp429kW
585hp436kW
Torque
750Nm553lb-ft
760Nm561lb-ft
Curb weight
2,275kg5,016lb
2,505kg5,523lb
Gross weight
2,970kg6,548lb
3,290kg7,253lb
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
56.2s99% target: 257 km/h / 160 mph
Calculated
60.5s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.2s
4.6s
0-200 km/h
15.0s
Calculated
16.3s
Calculated
0-60 mph
4.0s
Calculated
4.4s
Calculated
Fuel consumption
11.1L/100 km21.2mpg US25.4mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
14.7L/100 km16mpg US19.2mpg UK
15.8L/100 km14.9mpg US17.9mpg UK
Fuel consumption highway
9L/100 km26.1mpg US31.4mpg UK
10.3L/100 km22.8mpg US27.4mpg UK
Quarter mile
12.3s
Calculated
12.7s
Calculated
Power-to-weight
253hp/t188kW/t115hp/1000 lb
Calculated
234hp/t174kW/t106hp/1000 lb
Calculated
Torque-to-weight
330Nm/t221lb-ft/ton
Calculated
303Nm/t203lb-ft/ton
Calculated
Estimated range
766km476mi
Calculated
813km505mi
Calculated
Displacement
4,395cc268cu in
5,461cc333cu in
Length
4,880mm192in
5,130mm202in
Width
1,985mm78in
1,934mm76in
Height
1,754mm69in
1,850mm73in
Wheelbase
2,933mm115in
3,075mm121in
Front track
1,666mm66in
1,655mm65in
Rear track
1,667mm66in
1,675mm66in
Ground clearance
195mm8in
-
Trunk volume
650L
680L
Max trunk volume
1,870L
2,300L
Doors
5
5
Seats
5
5
Fuel tank
85L
100L
CO2 emissions
258g/km
288g/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.

BMW X5 M (F85) 4.4 V8Mercedes-Benz GLS (X166) AMG GLS 63PowerTorque
  • BMW X5 M (F85) 4.4 V8: Power / Torque
  • Mercedes-Benz GLS (X166) AMG GLS 63: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX5 M (F85)4.4 V86,000-6,500 rpm2,200-5,000 rpm6,750 rpm
Mercedes-BenzGLS (X166)AMG GLS 635,500 rpm1,750-5,250 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX5 M (F85)4.4 V8Mercedes-BenzGLS (X166)AMG GLS 63
Acceleration checkpoints
0-60 mph
0-97 km/h
4.0 s
4.4 s
0-100 km/h
0-62 mph
4.2 s
4.6 s
0-200 km/h
0-124 mph
15.0 s
16.3 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
2.0 s
2.1 s
330 ft
101 m
5.3 s
5.5 s
1/8 mile
201 m
8.0 s
8.3 s
1000 ft
305 m
10.4 s
10.7 s
1/4 mile
402 m
12.3 s
12.7 s
Trap speed
1/4 mile
402 m
184 km/h
115 mph
180 km/h
112 mph

Power comparison

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

Chart data table
VehicleValue
BMWX5 M (F85)4.4 V8
575 hp
429 kW
Mercedes-BenzGLS (X166)AMG GLS 63
585 hp
436 kW

Mercedes-Benz GLS (X166) AMG GLS 63 has 10 hp more than BMW X5 M (F85) 4.4 V8.

The biggest power difference is between BMW X5 M (F85) 4.4 V8 and Mercedes-Benz GLS (X166) AMG GLS 63: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWX5 M (F85)4.4 V8
750 Nm
553 lb-ft
Mercedes-BenzGLS (X166)AMG GLS 63
760 Nm
561 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWX5 M (F85)4.4 V8
2,275 kg
5,016 lb
Mercedes-BenzGLS (X166)AMG GLS 63
2,505 kg
5,523 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWX5 M (F85)4.4 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzGLS (X166)AMG GLS 63
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
BMWX5 M (F85)4.4 V84.2 s
Mercedes-BenzGLS (X166)AMG GLS 634.6 s

Although Mercedes-Benz GLS (X166) AMG GLS 63 has more power, BMW X5 M (F85) 4.4 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW X5 M (F85) 4.4 V8 and Mercedes-Benz GLS (X166) AMG GLS 63: 0.4 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMWX5 M (F85)4.4 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
Mercedes-BenzGLS (X166)AMG GLS 63
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

The biggest fuel consumption difference is between BMW X5 M (F85) 4.4 V8 and Mercedes-Benz GLS (X166) AMG GLS 63: 1.2 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
BMWX5 M (F85)4.4 V8
253 hp/t
188 kW/t
4.0 kg/hp
Mercedes-BenzGLS (X166)AMG GLS 63
234 hp/t
174 kW/t
4.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWX5 M (F85)4.4 V8
766 km
476 mi
Mercedes-BenzGLS (X166)AMG GLS 63
813 km
505 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX5 M (F85)4.4 V8
575 hp
429 kW
4.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Mercedes-BenzGLS (X166)AMG GLS 63
585 hp
436 kW
4.6 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
BMWX5 M (F85)4.4 V8
Power
575 hp
429 kW
0-100 km/h4.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
650 L
23.0 cu ft
Length
4,880 mm
192.1 in
Height
1,754 mm
69.1 in
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

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
BMWX5 M (F85)4.4 V8
Power
575 hp
429 kW
0-100 km/h4.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
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

BMW X5 M (F85) 4.4 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
BMWX5 M (F85)4.4 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
4.2 s
Mercedes-BenzGLS (X166)AMG GLS 63
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
4.6 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
BMWX5 M (F85)4.4 V8
253 hp/t
188 kW/t
4.0 kg/hp
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleBMWX5 M (F85)4.4 V8Mercedes-BenzGLS (X166)AMG GLS 63
Power
575 hp
429 kW
585 hp
436 kW
Torque
750 Nm
553 lb-ft
760 Nm
561 lb-ft
Acceleration
4.2 s
4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,275 kg
5,016 lb
2,505 kg
5,523 lb
Fuel consumption
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
650 L
23.0 cu ft
Length
4,880 mm
192.1 in
Height
1,754 mm
69.1 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
766 km
476 mi
813 km
505 mi
CO2 score
258 g/km
288 g/km
Trunk score
650 L
23.0 cu ft
680 L
24.0 cu ft
Power-to-weight score
253 hp/t
188 kW/t
4.0 kg/hp
234 hp/t
174 kW/t
4.3 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
VehicleBMW X5 M (F85) 4.4 V8Mercedes-Benz GLS (X166) AMG GLS 63
Consumption11.1 L/100 km21.2 mpg US25.4 mpg UK12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km19.43 LC100 km21.53 LC100 km
Cost / 100 mi31.26 LC100 mi34.64 LC100 mi
Annual fuel used1,665 L440 US gal366 UK gal1,845 L487 US gal406 UK gal
Annual fuel cost2,914 LC/year3,229 LC/year

Head-to-head comparisons

BMW X5 M (F85) 4.4 V8

  • Is 230 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 1.2 L/100 km less fuel
  • Has 19 hp/t better power-to-weight
  • Emits 30 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

Cons

  • Lowest power
  • Smallest trunk

Mercedes-Benz GLS (X166) AMG GLS 63

  • Has 10 hp more
  • Has 10 Nm more
  • Has 47 km (29 mi) more estimated range
  • Has 30 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X5 M (F85) 4.4 V8
Mercedes-Benz GLS (X166) AMG GLS 63
Compare selected cars
2 vehicles selected

Popular comparisons

4.4 V8
4.4
VS
BMWX5 M (F85)4.4 V8vsBMWX5 M (E70)4.4
AMG GLS 63
AMG GLS 63 V8
VS
Mercedes-BenzGLS (X166)AMG GLS 63vsMercedes-BenzGLS (X167)AMG GLS 63 V8
4.4 V8
4.4 V8
VS
BMWX5 M (F85)4.4 V8vsBMWX5 M (F95)4.4 V8
AMG GLS 63
GLS 600 V8
VS
Mercedes-BenzGLS (X166)AMG GLS 63vsMercedes-BenzMaybach GLS (X167)GLS 600 V8
4.4 V8
4.4 V8
VS
BMWX5 M (F85)4.4 V8vsBMWX6 M (F86)4.4 V8
AMG GLS 63
AMG GLS 63 V8
VS
Mercedes-BenzGLS (X166)AMG GLS 63vsMercedes-BenzGLS (X167)Facelift 2023AMG GLS 63 V8
4.4 V8
4.4 V8
VS
BMWX5 M (F85)4.4 V8vsBMWX6 M (E71)Facelift 20124.4 V8
AMG GLS 63
GLS 600 V8
VS
Mercedes-BenzGLS (X166)AMG GLS 63vsMercedes-BenzMaybach GLS (X167)Facelift 2023GLS 600 V8
4.4 V8
M50i V8
VS
BMWX5 M (F85)4.4 V8vsBMWX7 (G07)M50i V8
AMG GLS 63
GLS 680 V8
VS
Mercedes-BenzGLS (X166)AMG GLS 63vsMercedes-BenzMaybach GLS (X167)Facelift 2026GLS 680 V8
4.4 V8
4.4 V8
VS
BMWX5 M (F85)4.4 V8vsBMWX6 M (E71)4.4 V8
AMG GLS 63
GLS 450
VS
Mercedes-BenzGLS (X166)AMG GLS 63vsMercedes-BenzGLS (X167)Facelift 2026GLS 450
BMW X5 M (F85) 4.4 V8 vs Mercedes-Benz GLS (X166) AMG GLS 63 - car comparison - FastVsFaster