2026 Audi Q8 Prestige vs 2026 INFINITI QX80 AUTOGRAPH
$25,300 less and 2 mpg better vs 115 more hp and 147 more lb-ft torque. That is the real fork. Key numbers: $25,300 price gap, 335 vs 450 hp, 19 vs 17 MPG.
The Q8 Prestige leads on $25,300 less, 2 MPG better. The QX80 AUTOGRAPH leads on 115 more hp, 147 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 Audi Q8 Prestige | 2026 INFINITI QX80 AUTOGRAPH |
|---|---|---|
| Pricing | ||
| MSRP | $86,200 | $111,500 |
| Powertrain | ||
| Engine | 3.0L V6 mild-hybrid Turbo | 3.5L V6 Turbo |
| Horsepower | 335 hp | 450 hp |
| Torque | 369 lb-ft | 516 lb-ft |
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Drivetrain | AWD | 4WD |
| Fuel Economy | ||
| City MPG | 17 | 16 |
| Highway MPG | 23 | 19 |
| Combined MPG | 19 | 17 |
| Fuel Tank | 22.5 gal | 23.6 gal |
| Annual Fuel Cost (EPA) | $3,050/yr | $3,400/yr |
| Dimensions | ||
| Curb Weight | 5,027 lbs | 6,205 lbs |
| Wheelbase | 118.0" | 121.1" |
| Length | 196.0" | 211.2" |
| Width | 79.0" | 83.3" |
| Height | 67.0" | 78.0" |
| Safety | ||
| NHTSA Overall | 5/5 stars | No published data |
| 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 Audi Q8 Prestige and 2026 INFINITI QX80 AUTOGRAPH?
The 2026 Audi Q8 Prestige starts at $86,200, $25,300 less than the 2026 INFINITI QX80 AUTOGRAPH at $111,500. On a 60-month loan that is roughly $445/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Audi Q8 Prestige?
The 2026 Audi Q8 Prestige is the stronger pick when you want to keep $25,300 in your pocket and the 2026 Audi Q8 Prestige covers your needs; lower running costs matter to you, roughly $260/year less on fuel; you prefer a smaller vehicle that is easier to park and maneuver.
Who should choose the 2026 INFINITI QX80 AUTOGRAPH?
The 2026 INFINITI QX80 AUTOGRAPH is the stronger pick when the extra 115 hp matters for your commute or driving style; you want the larger footprint for passengers or cargo.
Which gets better fuel economy, the 2026 Audi Q8 Prestige or 2026 INFINITI QX80 AUTOGRAPH?
The 2026 Audi Q8 Prestige rates 19 combined MPG, 2 MPG ahead.
Which is more powerful, the 2026 Audi Q8 Prestige or 2026 INFINITI QX80 AUTOGRAPH?
The 2026 INFINITI QX80 AUTOGRAPH produces 450 hp, 115 more than the 2026 Audi Q8 Prestige at 335 hp. The 2026 INFINITI QX80 AUTOGRAPH also leads in torque at 516 lb-ft vs 369 lb-ft. The 2026 Audi Q8 Prestige runs a 3.0L V6 mild-hybrid Turbo; the 2026 INFINITI QX80 AUTOGRAPH uses a 3.5L V6 Turbo. Drivetrains differ too: AWD on the 2026 Audi Q8 Prestige, 4WD on the 2026 INFINITI QX80 AUTOGRAPH.
Is the 2026 Audi Q8 Prestige bigger than the 2026 INFINITI QX80 AUTOGRAPH?
The 2026 INFINITI QX80 AUTOGRAPH is 15.2″ longer at 211.2″ vs 196.0″. The 2026 INFINITI QX80 AUTOGRAPH has a 3.1″ longer wheelbase, which typically means more rear-seat legroom.
Do the 2026 Audi Q8 Prestige and 2026 INFINITI QX80 AUTOGRAPH have the same drivetrain?
No. The 2026 Audi Q8 Prestige comes with AWD, while the 2026 INFINITI QX80 AUTOGRAPH 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: Audi trims, Audi Q8 trims, INFINITI trims, INFINITI QX80 trims
How the Q8 and QX80 Stack Up
Two full-size SUVs, two different takes on daily versatility. The 2026 Audi Q8 Prestige ($86,200) and 2026 INFINITI QX80 AUTOGRAPH ($111,500) solve similar problems in different ways. The $25,300 gap adds up to $445/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.
Powertrain: Q8 vs QX80
The 2026 Audi Q8 Prestige runs a 3.0L V6 mild-hybrid Turbo; the 2026 INFINITI QX80 AUTOGRAPH uses a 3.5L V6 Turbo. The 2026 INFINITI QX80 AUTOGRAPH has 115 more hp (450 vs 335). You will feel the difference merging, passing, and driving with a full car. The 2026 INFINITI QX80 AUTOGRAPH adds 147 more lb-ft of torque (516 vs 369), giving it stronger low-end pull off the line. Drivetrains differ: AWD on the 2026 Audi Q8 Prestige, 4WD on the 2026 INFINITI QX80 AUTOGRAPH.
What It Actually Costs to Own
The 2026 Audi Q8 Prestige saves roughly $260/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $1,300. The 2026 Audi Q8 Prestige wins on both sticker price and running costs, making it the stronger value on paper.
Size, Space, and Daily Reality
The 2026 INFINITI QX80 AUTOGRAPH is 15.2″ longer, which translates to more room inside but a larger footprint in parking lots and garages. The 2026 INFINITI QX80 AUTOGRAPH weighs 1,178 lbs more. Heavier vehicles tend to feel more planted at highway speed but use more fuel and are harder to stop quickly.
Which One Should You Buy?
Choose the 2026 Audi Q8 Prestige when you want to keep $25,300 in your pocket and the 2026 Audi Q8 Prestige covers your needs. Choose the 2026 INFINITI QX80 AUTOGRAPH when the extra 115 hp matters for your commute or driving style. At $445/month more, the 2026 INFINITI QX80 AUTOGRAPH 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 Audi or INFINITI or any dealership.