2026 Audi A6 Prestige vs 2026 Genesis G80 3.5T Sport Prestige
On paper, the 2026 Audi A6 Prestige wins on $6,950 less, 5 MPG better. The 2026 Genesis G80 3.5T Sport Prestige has to win you at the dealer. Key numbers: $6,950 price gap, 362 vs 375 hp, 23 vs 18 MPG.
The A6 Prestige leads on $6,950 less, 5 MPG better. The spec table compares 5 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 5 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 A6 Prestige | 2026 Genesis G80 3.5T Sport Prestige |
|---|---|---|
| Pricing | ||
| MSRP | $71,400 | $78,350 |
| Powertrain | ||
| Engine | 3.0L V6 mild-hybrid Turbo | 3.5L V6 Turbo |
| Horsepower | 362 hp | 375 hp |
| Torque | 406 lb-ft | 391 lb-ft |
| Transmission | 7-speed automated manual | 8-speed shiftable automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 20 | 15 |
| Highway MPG | 29 | 24 |
| Combined MPG | 23 | 18 |
| Fuel Tank | 19.3 gal | 19.3 gal |
| Annual Fuel Cost (EPA) | No published data | $3,200/yr |
| Dimensions | ||
| Curb Weight | 4,310 lbs | 4,619 lbs |
| Wheelbase | 115.1" | 118.5" |
| Length | 196.8" | 196.7" |
| Width | 73.8" | 75.8" |
| Height | 57.4" | 57.7" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| IIHS Award | No published data | TSP+ |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 5yr/60k |
| Powertrain | 4yr/50k | 10yr/100k |
| Corrosion | 12yr/unlimited | 5yr/unlimited |
| Roadside Assistance | 4yr/unlimited | 5yr/unlimited |
Frequently Asked Questions
What is the price difference between the 2026 Audi A6 Prestige and 2026 Genesis G80 3.5T Sport Prestige?
The 2026 Audi A6 Prestige starts at $71,400, $6,950 less than the 2026 Genesis G80 3.5T Sport Prestige at $78,350. On a 60-month loan that is roughly $123/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Audi A6 Prestige?
The 2026 Audi A6 Prestige is the stronger pick when you want to keep $6,950 in your pocket and the 2026 Audi A6 Prestige covers your needs; lower running costs matter to you, roughly $507/year less on fuel.
Who should choose the 2026 Genesis G80 3.5T Sport Prestige?
The 2026 Genesis G80 3.5T Sport Prestige is the stronger pick when you prefer the Genesis approach to the midsize sedan segment.
Which gets better fuel economy, the 2026 Audi A6 Prestige or 2026 Genesis G80 3.5T Sport Prestige?
The 2026 Audi A6 Prestige rates 23 combined MPG, 5 MPG ahead.
Which is more powerful, the 2026 Audi A6 Prestige or 2026 Genesis G80 3.5T Sport Prestige?
The 2026 Genesis G80 3.5T Sport Prestige produces 375 hp, 13 more than the 2026 Audi A6 Prestige at 362 hp. The 2026 Audi A6 Prestige also leads in torque at 406 lb-ft vs 391 lb-ft. The 2026 Audi A6 Prestige runs a 3.0L V6 mild-hybrid Turbo; the 2026 Genesis G80 3.5T Sport Prestige uses a 3.5L V6 Turbo.
Is the 2026 Audi A6 Prestige bigger than the 2026 Genesis G80 3.5T Sport Prestige?
The 2026 Audi A6 Prestige is 0.1″ longer at 196.8″ vs 196.7″. The 2026 Genesis G80 3.5T Sport Prestige has a 3.4″ longer wheelbase, which typically means more rear-seat legroom.
How do the warranties compare?
The Audi A6 comes with 4yr/50k bumper-to-bumper and 4yr/50k powertrain. The Genesis G80 offers 5yr/60k bumper-to-bumper and 10yr/100k powertrain. Longer warranty coverage can offset higher maintenance costs over time.
Explore more: Audi trims, Audi A6 trims, Genesis trims, Genesis G80 trims
How the A6 and G80 Stack Up
Two midsize sedans, two brands, and a decision that comes down to which one fits your commute and budget. The 2026 Audi A6 Prestige starts at $71,400; the 2026 Genesis G80 3.5T Sport Prestige at $78,350. The $6,950 gap adds up to $123/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: A6 vs G80
The 2026 Audi A6 Prestige runs a 3.0L V6 mild-hybrid Turbo; the 2026 Genesis G80 3.5T Sport Prestige uses a 3.5L V6 Turbo. The 13 hp difference (375 vs 362) is marginal in daily driving. Both use AWD.
What It Actually Costs to Own
The 2026 Audi A6 Prestige saves roughly $507/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $2,535. The 2026 Audi A6 Prestige wins on both sticker price and running costs, making it the stronger value on paper.
Size, Space, and Daily Reality
The 2026 Genesis G80 3.5T Sport Prestige weighs 309 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 A6 Prestige when you want to keep $6,950 in your pocket and the 2026 Audi A6 Prestige covers your needs. Choose the 2026 Genesis G80 3.5T Sport Prestige when you prefer the Genesis approach to the midsize sedan segment. At $123/month more, the 2026 Genesis G80 3.5T Sport Prestige 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 Genesis or any dealership.