2026 Chevrolet Suburban LS vs 2026 INFINITI QX80 LUXE
$27,550 less and 15.1″ longer vs 95 more hp and 133 more lb-ft torque. That is the real fork. Key numbers: $27,550 price gap, 355 vs 450 hp, 16 vs 17 MPG.
The Suburban LS leads on $27,550 less, 15.1″ longer. The QX80 LUXE leads on 95 more hp, 133 more lb-ft torque. The spec table compares 7 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 7 specifications.
Full Specification Comparison
Specifications and pricing reflect available data as of early 2026 and may not match current manufacturer figures. Always confirm details with an authorized dealer before making a purchase decision.
| Spec | 2026 Chevrolet Suburban LS | 2026 INFINITI QX80 LUXE |
|---|---|---|
| Pricing | ||
| MSRP | $66,400 | $93,950 |
| Powertrain | ||
| Engine | 5.3L V8 | 3.5L V6 Turbo |
| Horsepower | 355 hp | 450 hp |
| Torque | 383 lb-ft | 516 lb-ft |
| Transmission | 10-speed shiftable automatic | 9-speed shiftable automatic |
| Drivetrain | 4WD | 4WD |
| Fuel Economy | ||
| City MPG | 14 | 16 |
| Highway MPG | 19 | 19 |
| Combined MPG | 16 | 17 |
| Fuel Tank | 28.0 gal | 23.6 gal |
| Annual Fuel Cost (EPA) | $2,750/yr | $3,400/yr |
| Dimensions | ||
| Curb Weight | 5,873 lbs | 6,094 lbs |
| Wheelbase | 134.1" | 121.1" |
| Length | 226.3" | 211.2" |
| Width | 81.1" | 83.3" |
| Height | 75.7" | 78.0" |
| Safety | ||
| NHTSA Overall | 5/5 stars | No published data |
| IIHS Award | No published data | TSP+ |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | No published data |
| Powertrain | 5yr/60k | No published data |
| Corrosion | 6yr/100k | No published data |
| Roadside Assistance | 5yr/60k | No published data |
Frequently Asked Questions
What is the price difference between the 2026 Chevrolet Suburban LS and 2026 INFINITI QX80 LUXE?
The 2026 Chevrolet Suburban LS starts at $66,400, $27,550 less than the 2026 INFINITI QX80 LUXE at $93,950. On a 60-month loan that is roughly $485/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Chevrolet Suburban LS?
The 2026 Chevrolet Suburban LS is the stronger pick when you want to keep $27,550 in your pocket and the 2026 Chevrolet Suburban LS covers your needs; you want the larger footprint for passengers or cargo.
Who should choose the 2026 INFINITI QX80 LUXE?
The 2026 INFINITI QX80 LUXE is the stronger pick when lower running costs matter to you, roughly $154/year less on fuel; the extra 95 hp matters for your commute or driving style; you prefer a smaller vehicle that is easier to park and maneuver.
Which gets better fuel economy, the 2026 Chevrolet Suburban LS or 2026 INFINITI QX80 LUXE?
The 2026 INFINITI QX80 LUXE rates 17 combined MPG, 1 MPG ahead.
Which is more powerful, the 2026 Chevrolet Suburban LS or 2026 INFINITI QX80 LUXE?
The 2026 INFINITI QX80 LUXE produces 450 hp, 95 more than the 2026 Chevrolet Suburban LS at 355 hp. The 2026 INFINITI QX80 LUXE also leads in torque at 516 lb-ft vs 383 lb-ft. The 2026 Chevrolet Suburban LS runs a 5.3L V8; the 2026 INFINITI QX80 LUXE uses a 3.5L V6 Turbo.
Is the 2026 Chevrolet Suburban LS bigger than the 2026 INFINITI QX80 LUXE?
The 2026 Chevrolet Suburban LS is 15.1″ longer at 226.3″ vs 211.2″. The 2026 Chevrolet Suburban LS has a 13.0″ longer wheelbase, which typically means more rear-seat legroom.
Explore more: Chevrolet trims, Chevrolet Suburban trims, INFINITI trims, INFINITI QX80 trims
Suburban vs QX80: What This Matchup Is Really About
The 2026 Chevrolet Suburban LS and 2026 INFINITI QX80 LUXE sit in the full-size SUV class, where cargo room, ride comfort, and family-friendly features define the competitive landscape. The $27,550 gap adds up to $485/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.
Under the Hood
The 2026 Chevrolet Suburban LS runs a 5.3L V8; the 2026 INFINITI QX80 LUXE uses a 3.5L V6 Turbo. The 2026 INFINITI QX80 LUXE has 95 more hp (450 vs 355). You will feel the difference merging, passing, and driving with a full car. The 2026 INFINITI QX80 LUXE adds 133 more lb-ft of torque (516 vs 383), giving it stronger low-end pull off the line. Both use 4WD.
Running Costs: Suburban vs QX80
The 2026 INFINITI QX80 LUXE saves roughly $154/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $770.
How Each One Fits Your Daily Life
The 2026 Chevrolet Suburban LS is 15.1″ longer, which translates to more room inside but a larger footprint in parking lots and garages. The 2026 Chevrolet Suburban LS has a 13.0″ longer wheelbase, typically meaning a smoother ride and more rear-seat legroom.
Bottom Line
Choose the 2026 Chevrolet Suburban LS when you want to keep $27,550 in your pocket and the 2026 Chevrolet Suburban LS covers your needs. Choose the 2026 INFINITI QX80 LUXE when lower running costs matter to you, roughly $154/year less on fuel. At $485/month more, the 2026 INFINITI QX80 LUXE needs to earn that gap with something you use weekly.
Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Chevrolet or INFINITI or any dealership.