2026 BMW X7 xDrive40i vs 2026 INFINITI QX80 LUXE
$6,450 less and 6 mpg better vs 75 more hp and 118 more lb-ft torque. That is the real fork. Key numbers: $6,450 price gap, 375 vs 450 hp, 23 vs 17 MPG.
The X7 xDrive40i leads on $6,450 less, 6 MPG better. The QX80 LUXE leads on 75 more hp, 118 more lb-ft torque. The spec table compares 8 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 8 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 BMW X7 xDrive40i | 2026 INFINITI QX80 LUXE |
|---|---|---|
| Pricing | ||
| MSRP | $87,500 | $93,950 |
| Powertrain | ||
| Engine | 3.0L I6 mild-hybrid Turbo | 3.5L V6 Turbo |
| Horsepower | 375 hp | 450 hp |
| Torque | 398 lb-ft | 516 lb-ft |
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Drivetrain | AWD | 4WD |
| Fuel Economy | ||
| City MPG | 21 | 16 |
| Highway MPG | 25 | 19 |
| Combined MPG | 23 | 17 |
| Fuel Tank | 21.9 gal | 23.6 gal |
| Annual Fuel Cost (EPA) | $2,500/yr | $3,400/yr |
| Dimensions | ||
| Curb Weight | 5,417 lbs | 6,094 lbs |
| Wheelbase | 122.2" | 121.1" |
| Length | 203.6" | 211.2" |
| Width | 78.7" | 83.3" |
| Height | 72.2" | 78.0" |
| Safety | ||
| IIHS Award | No published data | TSP+ |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | No published data |
| Powertrain | 4yr/50k | No published data |
| Corrosion | 12yr/unlimited | No published data |
| Roadside Assistance | 4yr/unlimited | No published data |
Frequently Asked Questions
What is the price difference between the 2026 BMW X7 xDrive40i and 2026 INFINITI QX80 LUXE?
The 2026 BMW X7 xDrive40i starts at $87,500, $6,450 less than the 2026 INFINITI QX80 LUXE at $93,950. On a 60-month loan that is roughly $113/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 BMW X7 xDrive40i?
The 2026 BMW X7 xDrive40i is the stronger pick when you want to keep $6,450 in your pocket and the 2026 BMW X7 xDrive40i covers your needs; lower running costs matter to you, roughly $645/year less on fuel.
Who should choose the 2026 INFINITI QX80 LUXE?
The 2026 INFINITI QX80 LUXE is the stronger pick when the extra 75 hp matters for your commute or driving style.
Which gets better fuel economy, the 2026 BMW X7 xDrive40i or 2026 INFINITI QX80 LUXE?
The 2026 BMW X7 xDrive40i rates 23 combined MPG, 6 MPG ahead.
Which is more powerful, the 2026 BMW X7 xDrive40i or 2026 INFINITI QX80 LUXE?
The 2026 INFINITI QX80 LUXE produces 450 hp, 75 more than the 2026 BMW X7 xDrive40i at 375 hp. The 2026 INFINITI QX80 LUXE also leads in torque at 516 lb-ft vs 398 lb-ft. The 2026 BMW X7 xDrive40i runs a 3.0L I6 mild-hybrid Turbo; the 2026 INFINITI QX80 LUXE uses a 3.5L V6 Turbo. Drivetrains differ too: AWD on the 2026 BMW X7 xDrive40i, 4WD on the 2026 INFINITI QX80 LUXE.
Is the 2026 BMW X7 xDrive40i bigger than the 2026 INFINITI QX80 LUXE?
The 2026 INFINITI QX80 LUXE is 7.6″ longer at 211.2″ vs 203.6″. The 2026 BMW X7 xDrive40i has a 1.1″ longer wheelbase, which typically means more rear-seat legroom.
Do the 2026 BMW X7 xDrive40i and 2026 INFINITI QX80 LUXE have the same drivetrain?
No. The 2026 BMW X7 xDrive40i comes with AWD, while the 2026 INFINITI QX80 LUXE uses 4WD. If you drive in snow, heavy rain, or on unpaved roads, the all-wheel or four-wheel drive option provides better traction. If you mostly drive on dry pavement, the two-wheel drive option saves fuel.
Explore more: BMW trims, BMW X7 trims, INFINITI trims, INFINITI QX80 trims
- 2026 INFINITI QX80 LUXE Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
X7 vs QX80: What This Matchup Is Really About
The 2026 BMW X7 xDrive40i 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 $6,450 gap adds up to $113/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 BMW X7 xDrive40i runs a 3.0L I6 mild-hybrid Turbo; the 2026 INFINITI QX80 LUXE uses a 3.5L V6 Turbo. The 2026 INFINITI QX80 LUXE has 75 more hp (450 vs 375). You will feel the difference merging, passing, and driving with a full car. The 2026 INFINITI QX80 LUXE adds 118 more lb-ft of torque (516 vs 398), giving it stronger low-end pull off the line. Drivetrains differ: AWD on the 2026 BMW X7 xDrive40i, 4WD on the 2026 INFINITI QX80 LUXE.
Running Costs: X7 vs QX80
The 2026 BMW X7 xDrive40i saves roughly $645/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $3,225. The 2026 BMW X7 xDrive40i wins on both sticker price and running costs, making it the stronger value on paper.
How Each One Fits Your Daily Life
The 2026 INFINITI QX80 LUXE weighs 677 lbs more. Heavier vehicles tend to feel more planted at highway speed but use more fuel and are harder to stop quickly.
Bottom Line
Choose the 2026 BMW X7 xDrive40i when you want to keep $6,450 in your pocket and the 2026 BMW X7 xDrive40i covers your needs. Choose the 2026 INFINITI QX80 LUXE when the extra 75 hp matters for your commute or driving style. At $113/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 BMW or INFINITI or any dealership.