2025 Mercedes-Benz G-Class vs 2026 INFINITI QX80

$148,250 · SUV

$83,750 · SUV

Comparison Overview

Deciding between legendary status and pragmatic luxury often boils down to budget, and this showdown between the 2025 Mercedes-Benz G-Class and the 2026 INFINITI QX80 highlights that massive $64,500 price gulf. While the G-Class commands an MSRP of $148,250, the QX80 starts at a far more attainable $83,750. Performance-wise, the QX80 punches above its weight class, delivering superior 516 lb-ft of torque compared to the G-Class's 413 lb-ft, despite both achieving a modest 18 MPG combined. However, the iconic G-Wagon is significantly more compact, measuring 190.0 inches long versus the QX80's sprawling 211.2 inches. For sheer interior hauling ability, the G-Class offers 34.8 cu ft of cargo space, beating the QX80's 22 cu ft. Your choice hinges on whether the G-Class's established pedigree justifies the hefty premium over the QX80's strong V8 output and lower entry cost.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz G-Class

The G-Class is 21.2 inches shorter in length, making it slightly easier to navigate and park in dense urban environments.

👨‍👩‍👧‍👦 Best for Families

2025 Mercedes-Benz G-Class

The G-Class provides significantly more utility for hauling gear, boasting 34.8 cu ft of cargo capacity compared to the QX80's 22 cu ft.

🏎️ Best for Enthusiasts

2026 INFINITI QX80

The 2026 INFINITI QX80 is the clear performance winner, producing 516 lb-ft of torque against the G-Class's 413 lb-ft.

💰 Best Value

2026 INFINITI QX80

The QX80 offers 450 horsepower for only $83,750, representing vastly better dollar-per-horsepower than the G-Class's $148,250 sticker price.

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

You prioritize the iconic, boxy styling and slightly smaller footprint (190.0 inches long) of the traditional G-Wagon.
You need maximum interior capacity, as the G-Class offers 34.8 cu ft versus the QX80's 22 cu ft.
You are comfortable paying nearly $65,000 more for the Mercedes-Benz badge and premium status.

Choose the INFINITI QX80 if...

Your main driving focus is maximum power, evidenced by the QX80's superior 516 lb-ft of torque.
You want to save a substantial $64,500, as the QX80 MSRP is $83,750.
You prefer a vehicle with slightly better highway fuel economy potential (20 Highway MPG vs. 19 Highway MPG for the G-Class).

Key Dimensions

Dimension	Mercedes-Benz G-Class	INFINITI QX80
Length	190.0"	211.2"
Width	76.0"	83.3"
Height	77.7"	76.6"
Wheelbase	113.8"	121.1"

Features Comparison

Safety

Feature	Mercedes-Benz	INFINITI
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	2
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Third Row Head Airbags	—	✓
Front Fog Lights	—	✓
Front Height Adjustable Headrests	—	✓

Engine

Feature	Mercedes-Benz	INFINITI
Base Engine Displacement	3.0 L	3.5 L
Number of Cylinders	inline 6	V6
Base Engine Type	mild hybrid	gas
Horsepower	443 hp @ 6100 rpm	450 hp @ 5600 rpm
Torque	413 lb-ft @ 1950 rpm	516 lb-ft @ 3600 rpm
Number of Valves	24	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Mercedes-Benz	INFINITI
Transmission Type	9-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	four wheel drive	rear 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	✓	—

Fuel

Feature	Mercedes-Benz	INFINITI
Fuel Type	premium unleaded (required)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	17/19 MPG	16/20 MPG
EPA Fuel Economy (Combined)	18 MPG	18 MPG
EPA Driving Range (City/Highway)	448.8/501.6 mi.	377.6/472.0 mi.
Fuel Tank Capacity	26.4 gal.	23.6 gal.

Comfort & Convenience

Feature	Mercedes-Benz	INFINITI
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	✓	✓
3rd Row Cupholders	—	✓
Overhead Console with Storage	—	✓
Manual Rear Seat Easy Entry	—	✓

In Car Entertainment

Feature	Mercedes-Benz	INFINITI
Infotainment Display	12.3 in	14.3 in
AM/FM Stereo	✓	✓
Premium Brand Stereo System	Burmester	—
Premium Speaker Brand	Burmester	—
Stereo Power	760W	600W
Speaker System	18	14
Surround Audio	Discrete	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	With Real Time Traffic
Satellite Radio Trial Period	6 months	3 months
Klipsch Speakers	—	✓
Subwoofer Count	—	1
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	Mercedes-Benz	INFINITI
Front Head Room	41.9 in.	39.1 in.
Front Leg Room	38.7 in.	43.8 in.
Front Shoulder Room	57.8 in.	64.2 in.
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	10-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	3	2
Passenger Seat Power Adjustments	10-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Thigh Extension	✓	—
Passenger Seat Memory Settings	3	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Hip Room	—	59.9 in.
Seat Material: Leatherette	—	✓
Driver Seat Lumbar Support	—	Power
Passenger Seat Lumbar Support	—	Power

Rearseats

Feature	Mercedes-Benz	INFINITI
Rear Head Room	40.5 in.	37.8 in.
Rear Leg Room	39.5 in.	39.2 in.
Rear Shoulder Room	57.4 in.	63.7 in.
Split-Folding Rear Seatback	✓	—
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—
Heated Rear Seats (Multi-Level)	✓	✓
Rear Hip Room	—	59.9 in.
Folding Rear Seatback	—	✓
Reclining Rear Seats	—	✓
Fixed Center Armrest	—	✓
Power Folding Third Row Seat	—	✓

Tires and Wheels

Feature	Mercedes-Benz	INFINITI
Wheel Material	Alloy	Alloy
Wheel Size	19 x 8.5 in	20 x 8.0 in
Tire Type	All Season	All Season
Tire Size	275/55R19	275/60R20
Spare Tire Type	Full Size Matching	Full Size Non-Matching
Spare Tire Location	Outside Rear Mounted	Underbody Mounted

Suspension

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

Warranty

Feature	Mercedes-Benz	INFINITI
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 60000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	6 yr./ 70000 mi.
Hybrid Component Warranty	6 yr./ 62000 mi.	—
Corrosion/Rust Warranty	4 yr./ 50000 mi.	7 yr./ unlimited mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ 60000 mi.
Complimentary Scheduled Maintenance	—	3 yr./ 45000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Mercedes-Benz G-Class and 2026 INFINITI QX80.

How much does the price difference really affect ownership between these two large SUVs?

The price gap is substantial: the 2025 G-Class starts at $148,250 while the 2026 QX80 is priced at $83,750, creating a $64,500 difference before any options. This financial disparity is the most significant factor separating these two luxurious, yet mechanically distinct, off-road capable SUVs.

Do the fuel economy numbers differ significantly in real-world driving?

Both vehicles share a similar combined rating of 18 MPG, suggesting similar overall efficiency for daily driving. However, the QX80 has a slight edge on the highway, achieving 20 MPG compared to the G-Class's 19 MPG rating.

Which SUV provides more usable space inside for luggage and gear?

The Mercedes-Benz G-Class wins the cargo capacity contest handily, offering 34.8 cu ft behind the second row. The significantly longer INFINITI QX80 only manages 22 cu ft, which is a major difference for family trips.

If I want the most immediate pulling power, which one should I pick?

For sheer muscle, the QX80 is the undisputed choice, delivering 516 lb-ft of torque from its powertrain. The G-Class, while powerful with 443 hp, produces noticeably less rotational force at 413 lb-ft.

Is the G-Class significantly smaller than the QX80 for city maneuvers?

Yes, the G-Class is noticeably more compact, measuring 190.0 inches long and 76.0 inches wide. The QX80 is much larger overall, extending to 211.2 inches in length and 83.3 inches in width.

Do both models require premium fuel?

The 2025 Mercedes-Benz G-Class requires premium unleaded fuel for its operation. In contrast, the 2026 INFINITI QX80 only recommends premium unleaded, offering slightly more flexibility in fuel choice.