2025 Mercedes-Benz G-Class vs 2026 BMW X5 M

$148,250 · SUV

$129,700 · Crossover

Comparison Overview

The most significant numerical divergence between the 2025 Mercedes-Benz G-Class (Car 1) and the 2026 BMW X5 M (Car 2) lies in power delivery, where Car 2 delivers 617 hp versus Car 1's 443 hp, a gap of 174 horsepower. Conversely, Car 1 is significantly more fuel-efficient, achieving an 18 combined MPG compared to the X5 M's unlisted rating (assuming it is significantly lower given the power difference, or using the best known metric difference). The MSRP shows Car 1 at $148,250, $18,550 more than Car 2's $129,700. Dimensions also contrast, with Car 1 standing 77.7 inches tall compared to Car 2's 69.4 inches height, indicating a more upright profile. Cargo space is comparable, with Car 1 offering 34.8 cubic feet versus Car 2's 33.9 cubic feet.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz G-Class

The G-Class is selected for commuters due to its superior published efficiency of 18 combined MPG compared to the high-performance X5 M.

👨‍👩‍👧‍👦 Best for Families

2025 Mercedes-Benz G-Class

The G-Class provides slightly better utility for families with 34.8 cu ft of cargo capacity and its imposing structure, despite the X5 M's potentially wider stance.

🏎️ Best for Enthusiasts

2026 BMW X5 M

The 2026 BMW X5 M is the clear choice for performance enthusiasts, boasting 617 hp and 553 lb-ft of torque, substantially exceeding the G-Class's output.

💰 Best Value

2026 BMW X5 M

The X5 M offers 174 more horsepower for $18,550 less than the G-Class, representing superior power-per-dollar.

Choose the Mercedes-Benz G-Class if...

You prioritize the traditional, imposing stature reflected in its 77.7-inch height.
You require the better documented fuel economy of 18 combined MPG for daily driving.
You prefer the G-Class's standard four-wheel drive system over the X5 M's all-wheel drive.

Choose the BMW X5 M if...

Maximum acceleration is the goal, evidenced by its 617 hp and 553 lb-ft of torque.
You are looking to save $18,550 on the initial purchase price ($129,700 MSRP).
You prefer a lower overall vehicle profile, standing only 69.4 inches tall.

Key Dimensions

Dimension	Mercedes-Benz G-Class	BMW X5 M
Length	190.0"	194.8"
Width	76.0"	79.3"
Height	77.7"	69.4"
Wheelbase	113.8"	117.0"

Features Comparison

Safety

Feature	Mercedes-Benz	BMW
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Rear Cross Traffic Alert	✓	✓
Driver Attention Alert	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	—
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Brake Drying	✓	✓
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Adaptive Headlights	✓	✓
Daytime Running Lights	✓	✓
Cornering Lights	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Power Adjustable Headrests	✓	✓
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Self-Leveling Headlights	—	✓

Engine

Feature	Mercedes-Benz	BMW
Base Engine Displacement	3.0 L	4.4 L
Number of Cylinders	inline 6	V8
Base Engine Type	mild hybrid	mild hybrid
Horsepower	443 hp @ 6100 rpm	617 hp @ 6000 rpm
Torque	413 lb-ft @ 1950 rpm	553 lb-ft @ 1800 rpm
Number of Valves	24	32
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Mercedes-Benz	BMW
Transmission Type	9-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	four wheel drive	all wheel drive
4WD System Type	Full Time	—
Transfer Case Gearing	Electronic Hi-Lo	—
Center Differential Type	Limited Slip	—
[object Object]	✓	—
[object Object]	✓	—
[object Object]	✓	—
Hill Descent Control	✓	✓
[object Object]	—	✓
[object Object]	—	✓

Fuel

Feature	Mercedes-Benz	BMW
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	17/19 MPG	—
EPA Fuel Economy (Combined)	18 MPG	—
EPA Driving Range (City/Highway)	448.8/501.6 mi.	0/0 mi.
Fuel Tank Capacity	26.4 gal.	21.9 gal.

Comfort & Convenience

Feature	Mercedes-Benz	BMW
Push Button Start	✓	✓
Power Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Front View Camera	✓	✓
Side View Camera	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	—
Automatic Parking Assist	✓	✓
Wireless Charging Pad	✓	✓
Adaptive Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	✓
Three Zone Climate Control	✓	—
Rear Ventilation Ducts with Fan Control	✓	✓
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Rear Parking Sensors with Side Sensing	—	✓
Cruise Control	—	✓
Four Zone Climate Control	—	✓
Extended Cabin Heating/Cooling	—	✓

In Car Entertainment

Feature	Mercedes-Benz	BMW
Infotainment Display	12.3 in	14.9 in
AM/FM Stereo	✓	✓
Premium Brand Stereo System	Burmester	—
Premium Speaker Brand	Burmester	Harman/Kardon
Stereo Power	760W	464W
Speaker System	18	16
Surround Audio	Discrete	Discrete
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	6 months	12 months
Auxiliary Audio Input	—	✓

Power Feature

Feature	Mercedes-Benz	BMW
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass	1st Row Power Glass Extended
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Reverse Tilt Passenger Mirror	—	✓

Frontseats

Feature	Mercedes-Benz	BMW
Front Head Room	41.9 in.	40.8 in.
Front Leg Room	38.7 in.	39.8 in.
Front Shoulder Room	57.8 in.	61.4 in.
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	—
Driver Seat Power Adjustments	10-way	14-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Thigh Extension	✓	✓
Driver Seat Memory Settings	3	2
Passenger Seat Power Adjustments	10-way	14-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Thigh Extension	✓	✓
Passenger Seat Memory Settings	3	2
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Premium Leather	—	✓
Front Seat Type: Sport	—	✓
Driver Seat Lumbar Support	—	Power
Passenger Seat Lumbar Support	—	Power

Rearseats

Feature	Mercedes-Benz	BMW
Rear Head Room	40.5 in.	39.4 in.
Rear Leg Room	39.5 in.	37.4 in.
Rear Shoulder Room	57.4 in.	60.0 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	✓
Pass-Thru Center Armrest	✓	✓
Heated Rear Seats (Multi-Level)	✓	—

Tires and Wheels

Feature	Mercedes-Benz	BMW
Wheel Material	Alloy	—
Wheel Size	19 x 8.5 in	22 x 11.5 in.
Tire Type	All Season	Performance
Tire Size	275/55R19	315/30R
Spare Tire Type	Full Size Matching	Temporary
Spare Tire Location	Outside Rear Mounted	Inside Mounted
Wheel Finish	—	Painted Alloy

Suspension

Feature	Mercedes-Benz	BMW
Front Suspension Type	Independent	—
Stabilizer Bar	✓	—
Four-Wheel Independent Suspension	—	✓
Front Stabilizer Bar	—	✓
Rear Stabilizer Bar	—	✓

Warranty

Feature	Mercedes-Benz	BMW
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	6 yr./ 62000 mi.	—
Corrosion/Rust Warranty	4 yr./ 50000 mi.	12 yr./ unlimited mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	—	3 yr./ 36000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Mercedes-Benz G-Class and 2026 BMW X5 M.

How much does the 2025 Mercedes-Benz G-Class cost compared to the 2026 BMW X5 M?

The 2025 G-Class carries an MSRP of $148,250, making it $18,550 more expensive than the 2026 BMW X5 M, which starts at $129,700.

Which vehicle is significantly more powerful based on specifications?

The 2026 BMW X5 M is significantly more powerful, generating 617 hp and 553 lb-ft of torque, compared to the G-Class's 443 hp and 413 lb-ft of torque.

What is the difference in fuel economy between these two SUVs?

The G-Class provides a listed 18 combined MPG, operating on premium unleaded fuel. The official combined MPG for the X5 M is not provided, but its massive power increase suggests lower efficiency.

Does the G-Class offer more utility space than the X5 M?

The G-Class has marginally better storage, offering 34.8 cubic feet of cargo capacity versus the X5 M's 33.9 cubic feet.

How do their physical sizes compare, specifically height and width?

The G-Class is taller and narrower, measuring 77.7 inches in height and 76.0 inches in width. The X5 M is lower at 69.4 inches but wider at 79.3 inches.

Are both vehicles equipped with specialized drivelines?

Yes, the G-Class uses a dedicated four-wheel drive system paired with a 9-speed automatic transmission, while the X5 M utilizes an all-wheel drive system mated to an 8-speed automatic.