Car comparison

Mercedes-Benz GLS (X167) · Facelift 2026 GLS 450dvsXPENG G9 · Facelift 2025 Long Range 79 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

XPENG G9 · Facelift 2025

Long Range 79 kWh

351 hpElectricRWDAutomaticSUV2025-present

Comparison overview

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

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

XPENG G9 Facelift 2025 Long Range 79 kWh

Lightest
2,196 kg
4,841 lb
Best power-to-weight
160 hp/t
119 kW/t
6.3 kg/hp
Largest trunk
754 L
Best practicality score
92/100

Specification comparison

Specification comparison
Model	Mercedes-BenzGLS (X167)Facelift 2026GLS 450d	XPENGG9Facelift 2025Long Range 79 kWh
Power	367hp274kW	351hp262kW
Torque	750Nm553lb-ft	465Nm343lb-ft
Curb weight	2,590kg5,710lb	2,196kg4,841lb
Gross weight	3,485kg7,683lb	-
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	64.1s99% target: 208 km/h / 129 mph Calculated
0-100 km/h	5.7s	6.6s
0-200 km/h	22.5s Calculated	39.7s Calculated
0-60 mph	5.4s Calculated	6.2s Calculated
Fuel consumption	8.5L/100 km27.7mpg US33.2mpg UK	-
Quarter mile	13.9s Calculated	14.8s Calculated
Power-to-weight	142hp/t106kW/t64hp/1000 lb Calculated	160hp/t119kW/t73hp/1000 lb Calculated
Torque-to-weight	290Nm/t194lb-ft/ton Calculated	212Nm/t142lb-ft/ton Calculated
Estimated range	1,059km658mi Calculated	-
Displacement	2,989cc182cu in	-
Length	5,217mm205in	4,891mm193in
Width	1,956mm77in	1,937mm76in
Height	1,823mm72in	1,670mm66in
Wheelbase	3,135mm123in	2,998mm118in
Ground clearance	215mm8in	-
Trunk volume	355L	754L
Max trunk volume	2,400L	1,795L
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
Metric	Mercedes-BenzGLS (X167)Facelift 2026GLS 450d	XPENGG9Facelift 2025Long Range 79 kWh
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.4 s	6.2 s
0-100 km/h 0-62 mph	5.7 s	6.6 s
0-200 km/h 0-124 mph	22.5 s	39.7 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	9.6 s
1000 ft 305 m	11.7 s	12.4 s
1/4 mile 402 m	13.9 s	14.8 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
Vehicle	Value
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d	367 hp 274 kW
XPENGG9Facelift 2025Long Range 79 kWh	351 hp 262 kW

Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d has 16 hp more than XPENG G9 Facelift 2025 Long Range 79 kWh.

The biggest power difference is between XPENG G9 Facelift 2025 Long Range 79 kWh and Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d: 16 hp (12 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d	750 Nm 553 lb-ft
XPENGG9Facelift 2025Long Range 79 kWh	465 Nm 343 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d	2,590 kg 5,710 lb
XPENGG9Facelift 2025Long Range 79 kWh	2,196 kg 4,841 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
XPENGG9Facelift 2025Long Range 79 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
Vehicle	Value
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d	5.7 s
XPENGG9Facelift 2025Long Range 79 kWh	6.6 s

The biggest 0-100 km/h difference is between Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d and XPENG G9 Facelift 2025 Long Range 79 kWh: 0.9 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d	142 hp/t 106 kW/t 7.1 kg/hp
XPENGG9Facelift 2025Long Range 79 kWh	160 hp/t 119 kW/t 6.3 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzGLS (X167)Facelift 2026GLS 450d	367 hp 274 kW	5.7 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
XPENGG9Facelift 2025Long Range 79 kWh	351 hp 262 kW	6.6 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.

Vehicle

Performance score

Practicality score

Mercedes-BenzGLS (X167)Facelift 2026GLS 450d

Power	367 hp 274 kW
0-100 km/h	5.7 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

XPENGG9Facelift 2025Long Range 79 kWh

Power	351 hp 262 kW
0-100 km/h	6.6 s
Top speed Unrestricted 210 km/h130 mph Restricted 200 km/h124 mph

Doors/seats	5 doors 5 seats
Trunk	754 L 26.6 cu ft
Length	4,891 mm 192.6 in
Height	1,670 mm 65.7 in

Detailed score breakdown

Vehicle

Mercedes-BenzGLS (X167)Facelift 2026GLS 450d

XPENGG9Facelift 2025Long Range 79 kWh

Power

367 hp

274 kW

351 hp

262 kW

Torque

750 Nm

553 lb-ft

465 Nm

343 lb-ft

Acceleration

5.7 s

6.6 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

2,196 kg

4,841 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	754 L 26.6 cu ft
Length	4,891 mm 192.6 in
Height	1,670 mm 65.7 in

Range score

1,059 km

658 mi

Trunk score

355 L

12.5 cu ft

754 L

26.6 cu ft

Power-to-weight score

142 hp/t

106 kW/t

7.1 kg/hp

160 hp/t

119 kW/t

6.3 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Mercedes-Benz GLS (X167) Facelift 2026 GLS 450d
Consumption	8.5 L/100 km27.7 mpg US33.2 mpg UK
Cost / 100 km	14.88 LC100 km
Cost / 100 mi	23.94 LC100 mi
Annual fuel used	1,275 L337 US gal280 UK gal
Annual fuel cost	2,231 LC/year