2025 INFINITI QX80 vs. 2025 Lexus GX

Your growing or active family in Orland Park deserves the best, which is why you are shopping for the top three-row luxury SUV. Two of the most popular models in this segment are the INFINITI QX80 and the Lexus GX 550. Both offer lots of space and powerful engines for drives in Chicago, but the INFINITI QX80 wins this debate with two important factors. Read our guide from INFINITI of Orland Park as we compare the INFINITI QX80 vs. Lexus GX.

2025 INFINITI QX80 vs. Lexus GX Performance Specs

First, we look at the engine performance of the INFINITI QX80 vs. the Lexus GX. You will notice that the engine on the QX80 generates much more power for drives around Hoffman Estates and beyond. Even with the extra power, the highway fuel economy is only 2 mpg less than the GX with 4WD.

View the engine specs here:

2025 INFINITI QX80

• Engine: 3.5 liter V6 DOHC
• Horsepower: 450 hp @ 5,600 rpm
• Torque: 516 lb-ft of torque @ 3,600 rpm
• Transmission: 9-speed Automatic 
• Towing: 8,500 pounds maximum
• Drivetrain: 2WD or 4WD
• Fuel Economy (4WD): 16 city / 19 highway mpg

Lexus GX 550

• Engine: 3.4L V6 Twin Turbo
• Horsepower: 349 hp
• Torque: 479 lb-ft of torque
• Transmission: 10-speed direct shift automatic
• Max Towing: 9,096 pounds
• Drivetrain: 4WD
• Fuel Economy: 17 city / 21 highway mpg

2025 INFINITI QX80 vs. Lexus GX Interior Dimensions

Another major difference between these three-row SUVs is the interior space. The INFINITI QX80 is larger, has much more cargo space, can seat up to eight people with an optional third-row bench, and has more legroom across all three rows. Yes, the QX80 has a higher price point. But you get so much more from it.

See the interior dimensions here as you compare the INFINITI QX80 vs. Lexus GX for your daily drives in Naperville:

INFINITI QX80

• Passenger Capacity: Seven or eight people
• First/Second/Third-row headroom: 39.1 inches / 37.8 inches / N/A
• First/Second/Third-row legroom: 43.8 inches / 39.2 inches / 32.9-39.0 inches
• Cargo Space Behind 3rd, 2nd, 1st Rows: 22 / 59 / 101 cubic feet

Lexus GX 550

• Passenger Capacity: Seven people
• First/Second/Third-row headroom: 39.39 inches / 43.15 inches / 35.45 inches
• First/Second/Third-row legroom: 41.18 inches / 36.73 inches / 31.89 inches
• Cargo Space Behind 3rd, 2nd, 1st Rows: 10.3 / 40.2 / 76.9 cubic feet

Test-Drive an INFINITI QX80 at INFINITI of Orland Park

See the INFINITI QX80 in person whenever you are ready. Contact us, call (708) 403-4700, or schedule an at-home test drive with our team. Make sure to apply for financing to move forward with a purchase.

*Price is Manufacturer’s Suggested Retail Price (MSRP). MSRP excluding destination charge, tax, title, license, and options. Dealer sets actual price.