2025 INFINITI QX80 vs. 2024 Mercedes-Benz GLS 450 Review

Picture of the 2025 INFINITI QX80

2025 INFINITI
QX80

MSRP*: $82,450 to $109,900
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Picture of the 2024 Mercedes-Benz GLS 450

2024 Mercedes-Benz
GLS 450

MSRP*: $87,000
See details & photos

Find Your Best Price Today!

MPG - City 16 MPG 19 MPG
MPG - Hwy 19 - 20 MPG Info not available
Seating Capacity 7 - 8 seats 6 seats
Cargo Space 101.0 ft3 84.7 ft3
Engine
  • 450-hp, 3.5-liter, V6 Cylinder Engine (Gasoline Fuel)
  • 375-hp, 3.0-liter, Straight 6 Cylinder Engine (Gasoline/Mild Electric Hybrid)
Transmission Automatic Automatic
Drivetrain Four Wheel Drive, Rear Wheel Drive All Wheel Drive
Horsepower 450 hp 375 hp
Towing Capacity 8,500 lbs 7,700 lbs
Exterior Length 211.2 in 205.0 in
Exterior Width 83.3 in 79.9 in
Leg Room Front 43.8 in
Rear 39.2 in
Front 40.3 in
Rear 41.9 in
Head Room Front 39.1 in
Rear 37.8 in
Front 39.4 in
Rear 40.2 in

*MSRP and Invoice prices displayed are for educational purposes only, do not reflect the actual selling price of a particular vehicle, and do not include applicable gas taxes or destination charges.

Comparison Review

Comfort
Passengers in the backseat will be able to stretch out a lot more in the Mercedes-Benz GLS 450 than in the INFINITI QX80, due to its greater head- and legroom. The INFINITI QX80 will be popular with taller drivers and passengers in the front seat, due to its greater front head- and legroom than the Mercedes-Benz GLS 450.

Convenience
With the Mercedes-Benz GLS 450, you will definitely be making fewer stops at the gas station than with the INFINITI QX80, due to its tank size and fuel economy.

Cost
There are a lot of factors to consider when calculating the overall cost of a vehicle. The main consideration is Manufacturer's Suggested Retail Price (MSRP). The INFINITI QX80 is somewhat more expensive than the Mercedes-Benz GLS 450.

Dimensions
Since the INFINITI QX80 is much wider than the Mercedes-Benz GLS 450, finding a wide enough spot in a parking lot may be a bit more challenging. For some people, bigger is better. If that's the case for you, then you'll be happier with the INFINITI QX80, which is slightly longer than the Mercedes-Benz GLS 450.

Performance
With the INFINITI QX80, you'll be able to pull heavier loads than the Mercedes-Benz GLS 450. The INFINITI QX80 has a little more horsepower than the Mercedes-Benz GLS 450.

Powertrain
Due to its much higher torque, the INFINITI QX80 does a much better job of transmitting its engine's horsepower to its wheels than the Mercedes-Benz GLS 450.

Utility
The INFINITI QX80 offers greater seating capacity than the Mercedes-Benz GLS 450, making it a better choice for those who find themselves chauffeuring others around. The INFINITI QX80 has a roomier cargo area for putting your bags or other items than the Mercedes-Benz GLS 450.