2026 head-to-head · Large Car
2026 Audi S8 Hybrid vs Genesis G90 Hybrid
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 4.0L 8-cyl turbo · 8-speed automatic · 18 MPG
AWD · 3.5L 6-cyl turbo · 8-speed automatic · 20 MPG
The 2026 Genesis G90 Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,962 a year to fuel (20 MPG), versus $3,292 for the 2026 Audi S8 Hybrid (18 MPG). That's roughly $329 a year, or about $1,646 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Audi S8 Hybrid
- Genesis G90 Hybrid
Side by side
| Audi S8 Hybrid | Genesis G90 Hybrid | |
|---|---|---|
| $3,292 | Your annual fuel cost | $2,962 |
| 18 MPG | Combined efficiency | 20 MPG |
| 15 MPG | City | 17 MPG |
| 24 MPG | Highway | 24 MPG |
| 111 cu ft | Passenger volume | 109 cu ft |
| 13 cu ft | Cargo volume | 11 cu ft |
| 502 g/mi | Tailpipe CO₂ (g/mi) | 441 g/mi |
| 3/10 | EPA fuel economy score | 4/10 |
| 3/10 | EPA greenhouse gas score | 4/10 |
| Hybrid | Powertrain | Hybrid |
| Premium gasoline | Fuel | Premium gasoline |
| 4.0L 8-cyl turbo | Engine / motor | 3.5L 6-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| AWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Audi S8 Hybrid vs Genesis G90 Hybrid across model years
- Audi S8 Hybrid
- Genesis G90 Hybrid
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the Audi S8 Hybrid has more cargo space (13 vs. 11 cu ft).
Among 24 2026 large cars, the Audi S8 Hybrid ranks 21st and the Genesis G90 Hybrid 20th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Audi S8 Hybrid or the 2026 Genesis G90 Hybrid?
Measured by cost to drive, the Genesis G90 Hybrid. The Audi S8 Hybrid is rated 18 MPG combined and the Genesis G90 Hybrid 20 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Audi S8 Hybrid vs. the Genesis G90 Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,292 for the Audi S8 Hybrid and $2,962 for the Genesis G90 Hybrid.
Which has more cargo space?
The Audi S8 Hybrid, with 13 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).
Audi S8 Hybrid vs Genesis G90 Hybrid in other years
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