Car comparison

Mercedes-Benz GLS (X167) · Facelift 2026 GLS 450dvsSmart #5 100 kWh

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

New comparison

Mercedes-Benz GLS (X167) · Facelift 2026

GLS 450d

367 hp2989 ccDieselAWDAutomaticTwin-turboSUV2026-present
VS

Smart #5

100 kWh

363 hpElectricRWDAutomaticSUV2025-present

Comparison overview

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

Best choices

Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d

  • Quickest 0-100 km/h
    5.7 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    367 hp
    274 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Best overall score
    74/100
  • Best performance score
    71/100
  • Best economy score
    84/100

Smart #5 100 kWh

  • Lightest
    2,260 kg
    4,982 lb
  • Best power-to-weight
    161 hp/t
    120 kW/t
    6.2 kg/hp
  • Largest trunk
    630 L
  • Best practicality score
    89/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLS (X167)Facelift 2026GLS 450dSmart#5100 kWh
Power
367hp274kW
363hp271kW
Torque
750Nm553lb-ft
373Nm275lb-ft
Curb weight
2,590kg5,710lb
2,260kg4,982lb
Gross weight
3,485kg7,683lb
2,760kg6,085lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
210 km/h130 mph
Restricted
200 km/h124 mph
Calculated
To 99% top speed
93.0s99% target: 257 km/h / 160 mph
Calculated
63.6s99% target: 208 km/h / 129 mph
Calculated
0-100 km/h
5.7s
6.5s
0-200 km/h
22.5s
Calculated
39.4s
Calculated
0-60 mph
5.4s
Calculated
6.1s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
-
Quarter mile
13.9s
Calculated
14.7s
Calculated
Power-to-weight
142hp/t106kW/t64hp/1000 lb
Calculated
161hp/t120kW/t73hp/1000 lb
Calculated
Torque-to-weight
290Nm/t194lb-ft/ton
Calculated
165Nm/t110lb-ft/ton
Calculated
Estimated range
1,059km658mi
Calculated
-
Displacement
2,989cc182cu in
-
Length
5,217mm205in
4,695mm185in
Width
1,956mm77in
1,920mm76in
Height
1,823mm72in
1,705mm67in
Wheelbase
3,135mm123in
2,900mm114in
Ground clearance
215mm8in
-
Trunk volume
355L
630L
Max trunk volume
2,400L
1,530L
Doors
5
5
Seats
7
5
Fuel tank
90L
-

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 (X167)Facelift 2026GLS 450dSmart#5100 kWh
Acceleration checkpoints
0-60 mph
0-97 km/h
5.4 s
6.1 s
0-100 km/h
0-62 mph
5.7 s
6.5 s
0-200 km/h
0-124 mph
22.5 s
39.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
210 km/h130 mph
Restricted
200 km/h124 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.4 s
330 ft
101 m
5.9 s
6.3 s
1/8 mile
201 m
9.0 s
9.5 s
1000 ft
305 m
11.7 s
12.3 s
1/4 mile
402 m
13.9 s
14.7 s
Trap speed
1/4 mile
402 m
164 km/h
102 mph
153 km/h
95 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d
367 hp
274 kW
Smart#5100 kWh
363 hp
271 kW

Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d has 4 hp more than Smart #5 100 kWh.

The biggest power difference is between Smart #5 100 kWh and Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d: 4 hp (3 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d
750 Nm
553 lb-ft
Smart#5100 kWh
373 Nm
275 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d
2,590 kg
5,710 lb
Smart#5100 kWh
2,260 kg
4,982 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 (X167)Facelift 2026GLS 450d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Smart#5100 kWh
Unrestricted
210 km/h130 mph
Restricted
200 km/h124 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d5.7 s
Smart#5100 kWh6.5 s

The biggest 0-100 km/h difference is between Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d and Smart #5 100 kWh: 0.8 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d
142 hp/t
106 kW/t
7.1 kg/hp
Smart#5100 kWh
161 hp/t
120 kW/t
6.2 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d
367 hp
274 kW
5.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Smart#5100 kWh
363 hp
271 kW
6.5 s
Unrestricted
210 km/h130 mph
Restricted
200 km/h124 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 (X167)Facelift 2026GLS 450d
Power
367 hp
274 kW
0-100 km/h5.7 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
5,217 mm
205.4 in
Height
1,823 mm
71.8 in
Smart#5100 kWh
Power
363 hp
271 kW
0-100 km/h6.5 s
Top speed
Unrestricted
210 km/h130 mph
Restricted
200 km/h124 mph
Doors/seats
5 doors
5 seats
Trunk
630 L
22.2 cu ft
Length
4,695 mm
184.8 in
Height
1,705 mm
67.1 in

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLS (X167)Facelift 2026GLS 450dSmart#5100 kWh
Power
367 hp
274 kW
363 hp
271 kW
Torque
750 Nm
553 lb-ft
373 Nm
275 lb-ft
Acceleration
5.7 s
6.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
210 km/h130 mph
Restricted
200 km/h124 mph
Lightness
2,590 kg
5,710 lb
2,260 kg
4,982 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
-
Practicality
Doors/seats
5 doors
7 seats
Trunk
355 L
12.5 cu ft
Length
5,217 mm
205.4 in
Height
1,823 mm
71.8 in
Doors/seats
5 doors
5 seats
Trunk
630 L
22.2 cu ft
Length
4,695 mm
184.8 in
Height
1,705 mm
67.1 in
Range score
1,059 km
658 mi
-
Trunk score
355 L
12.5 cu ft
630 L
22.2 cu ft
Power-to-weight score
142 hp/t
106 kW/t
7.1 kg/hp
161 hp/t
120 kW/t
6.2 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 (X167) Facelift 2026 GLS 450d
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK
Cost / 100 km14.88 LC100 km
Cost / 100 mi23.94 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal
Annual fuel cost2,231 LC/year

Head-to-head comparisons

Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d

  • Has 4 hp more
  • Has 377 Nm more
  • Is 0.8 s quicker from 0-100 km/h
  • Has 50 km/h (31 mph) higher top speed

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Heaviest
  • Smallest trunk

Smart #5 100 kWh

  • Is 330 kg lighter
  • Has 19 hp/t better power-to-weight
  • Has 275 L more trunk volume

Pros

  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLS (X167) GLS 450d
Smart #5 100 kWh
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2 vehicles selected

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Mercedes-Benz GLS (X167) · Facelift 2026 GLS 450d vs Smart #5 100 kWh - car comparison - FastVsFaster