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INFINITI QX80 vs. Mercedes-Benz GLS

In comparing the INFINITI QX80 to the Mercedes-Benz GLS, the INFINITI QX80 has the advantage in the areas of new vehicle base pricing, typical lower range of pricing for one- to five-year-old used cars, interior volume, overall quality score and base engine power. The Mercedes-Benz GLS has the advantage in the area of fuel efficiency. Based on this comparison of the INFINITI QX80 versus the Mercedes-Benz GLS, the INFINITI QX80 is a better car than the Mercedes-Benz GLS.

INFINITI QX80 versus Mercedes-Benz GLS Pricing

A one- to five-year-old used INFINITI QX80 ranges from $47,500 to $78,316 while a used Mercedes-Benz GLS from the same model year range is priced between $72,231 to $109,913. For a new model, the INFINITI QX80's price is between $71,322 and $88,163, with the Mercedes-Benz GLS priced between $79,840 and $113,727.

INFINITI QX80 versus Mercedes-Benz GLS Quality Rating

The iSeeCars Overall Quality rating for the INFINITI QX80 is 7.5 out of 10 while the Mercedes-Benz GLS's quality rating is 7.0 out of 10. This results in the INFINITI QX80 being ranked 9 out of 18 Best Luxury Large SUVs and the Mercedes-Benz GLS being ranked 10 out of 18. Out of 25 Best Luxury SUVs with 3 Rows, the INFINITI QX80 is ranked 25 and the Mercedes-Benz GLS is ranked 17.

Engine Power and Fuel Efficiency Comparison

For engine performance, the INFINITI QX80’s base engine makes 400 horsepower, and the Mercedes-Benz GLS base engine makes 362 horsepower. The QX80 is rated to deliver an average of 16 miles per gallon, with a highway range of 520 miles. The GLS is rated to deliver an average of 20 miles per gallon, with a highway range of 571 miles. Both models use premium unleaded.

Passenger Space Comparison

While both models are fullsize SUVs, the INFINITI QX80 has the advantage of offering more front head room, front shoulder room and rear shoulder room. The Mercedes-Benz GLS, a crossover/fullsize SUV, has the advantage in the areas of front leg room, rear head room, rear leg room, and trunk space.

Hauling, Towing, and Off-Road Capabilities Comparison

The INFINITI QX80 has the advantage of offering higher towing capacity and ground clearance, while the Mercedes-Benz GLS has the advantage of offering higher payload capacity.

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2023 INFINITI QX80

2022 Mercedes-Benz GLS

Pricing

New Asking Price:

$71,322 - $88,163

Used Asking Price:

$47,500 - $78,316

5-Year Depreciation (lower is better):

54.4%

Pricing

New Asking Price:

$79,840 - $113,727

Used Asking Price:

$72,231 - $109,913

5-Year Depreciation (lower is better):

44.2%

iSeeCars Scores & Rankings

Overall Score:

7.5 / 10

Reliability:

7.5 / 10

Retained Value:

6.8 / 10

Safety:

8.0 / 10

iSeeCars Scores & Rankings

Overall Score:

7.0 / 10

Reliability:

5.6 / 10

Retained Value:

8.4 / 10

Safety:

Not available

iSeeCars Rankings

9 / 18
9 / 18
14 / 25
16 / 25

iSeeCars Rankings

10 / 18
10 / 18
17 / 25
17 / 25
34 / 67
36 / 67

Summary Review

Not yet available

Summary Review

Not yet available

Pros and Cons

Not yet available

Pros and Cons

Not yet available

Available Body Styles

SUV

Available Body Styles

SUV

Available Drivetrain Options

Gasoline

Available Drivetrain Options

Gasoline

Trim Levels

Luxe, Sensory, Premium Select

Trim Levels

AMG GLS 63, Mercedes-Maybach GLS 600 4MATIC, GLS 580, GLS 450

Warranty Information

Warranty, Bumper-to-Bumper:

4 years / 60000 miles

Warranty, Powertrain

6 years / 70000 miles

Warranty, Roadside Assistance:

4 years

Warranty Information

Warranty, Bumper-to-Bumper:

4 years / 50000 miles

Warranty, Powertrain

4 years / 50000 miles

Warranty, Roadside Assistance:

4 years / 50000 miles

Safety Ratings

NHTSA Safety Rating (last 5 year average):

4 out of 5 Stars

IIHS Safety Rating:

Not yet available

Safety Ratings

NHTSA Safety Rating (last 5 year average):

Not yet available

IIHS Safety Rating:

Not yet available

Base Drivetrain Specifications

Horsepower:

400 hp @ 5800 rpm

Torque:

413 foot-lbs @ 4000 rpm

Power-to-Weight Ratio (higher is better):

0.070 hp per pound

Towing Capacity:

8500 lbs

Base Drivetrain Specifications

Horsepower:

362 hp @ 5500 rpm

Torque:

369 foot-lbs @ 1600 rpm

Power-to-Weight Ratio (higher is better):

0.066 hp per pound

Towing Capacity:

Not yet available

Engine Specifications

Engine Size:

5.6 liters

Engine Configuration:

V

Number of Cylinders:

8

Transmission:

Automatic

Standard/Optional Drivetrain Type:

RWD / AWD

EPA Fuel Economy (City/Highway/Combined MPG):

14 / 20 / 16

Range (city/hwy):

364 / 520 miles

Recommended Fuel Type:

Premium Unleaded

Engine Specifications

Engine Size:

3 liters

Engine Configuration:

Inline

Number of Cylinders:

6

Transmission:

Automatic

Standard/Optional Drivetrain Type:

AWD

EPA Fuel Economy (City/Highway/Combined MPG):

18 / 24 / 20

Range (city/hwy):

428 / 571 miles

Recommended Fuel Type:

Premium Unleaded

Standard/Optional Features

Apple CarPlay:

Standard

Android Auto:

Standard

Wireless Smartphone Charging:

Standard

Keyless Entry:

Standard

Keyless Ignition:

Standard

Adaptive Cruise Control:

Standard

Heated Seats:

Standard

Cooled/Ventilated Seats:

Available

Leather Upholstery:

Standard

Navigation System:

Standard

Sunroof/Moonroof:

Standard

Heated Steering Wheel:

Standard

Standard/Optional Features

Apple CarPlay:

Standard

Android Auto:

Standard

Wireless Smartphone Charging:

Standard

Keyless Entry:

Standard

Keyless Ignition:

Standard

Adaptive Cruise Control:

Available

Heated Seats:

Standard

Cooled/Ventilated Seats:

Standard

Leather Upholstery:

Standard

Navigation System:

Standard

Sunroof/Moonroof:

Standard

Heated Steering Wheel:

Available

Safety Equipment

Forward Collision Warning:

Standard

Pedestrian Detection:

Standard

Lane Departure Warning:

Standard

Lane Keeping Assist:

Standard

Blind Spot Monitoring:

Standard

Rear Cross-Traffic Alert:

Standard

360-Degree Camera:

Standard

Rear Seat Reminder:

N/A

Driver Attention Monitoring:

N/A

Safety Equipment

Forward Collision Warning:

Standard

Pedestrian Detection:

Standard

Lane Departure Warning:

Available

Lane Keeping Assist:

Available

Blind Spot Monitoring:

Standard

Rear Cross-Traffic Alert:

Available

360-Degree Camera:

Standard

Rear Seat Reminder:

N/A

Driver Attention Monitoring:

Standard

Interior Dimensions

Front Head Room:

39.9 inches

Front Leg Room:

39.6 inches

Front Shoulder Room:

63.8 inches

Rear Head Room:

40 inches

Rear Leg Room:

41 inches

Rear Shoulder Room:

63.5 inches

Cargo Space:

16.6 cubic feet

Cargo Space, 2nd-row seat folded down:

95.1 cubic feet

Overall Interior Volume:

169.1 cubic feet

Interior Dimensions

Front Head Room:

39.4 inches

Front Leg Room:

40.3 inches

Front Shoulder Room:

59.3 inches

Rear Head Room:

40.2 inches

Rear Leg Room:

41.9 inches

Rear Shoulder Room:

58.5 inches

Cargo Space:

17.4 cubic feet

Cargo Space, 2nd-row seat folded down:

84.7 cubic feet

Overall Interior Volume:

161.0 cubic feet

Exterior Dimensions

Curb Weight:

5701 lbs

Width:

79.9 inches

Height:

75.8 inches

Length:

210.2 inches

Wheelbase:

121.1 inches

Ground Clearance:

9.2 inches

Exterior Dimensions

Curb Weight:

5467 lbs

Width:

84.9 inches

Height:

71.8 inches

Length:

205 inches

Wheelbase:

123.4 inches

Ground Clearance:

7.9 inches

Standard Wheel/Tire Information

Wheel Size:

20.0 x 8.0 inches

Wheel Type:

aluminum alloy

Tire Size:

P275/60R20

Standard Wheel/Tire Information

Wheel Size:

20.0 x 8.5 inches

Wheel Type:

alloy

Tire Size:

275/50R20