| Engine | 2.5L 4-cyl |
| Transmission | Automatic (S8) |
| Drive | All-Wheel Drive |
| Fuel Type | Premium Gasoline |
| Vehicle Class | Large Cars |
| Engine Desc | SIDI & PFI |
| Start-Stop | Yes |
| EPA Vehicle ID | 46671 |
25 MPG combined is a respectable figure for the 2024 Genesis G80 AWD 2.5L. This isn’t a compact commuter car; it’s a mid-size luxury sedan with a powerful turbocharged engine and the added weight and drag of all-wheel drive. Owners accept this fuel economy because they prioritize a refined driving experience, a supremely comfortable interior, and distinctive styling over saving money at the pump. This is a car for executives, affluent professionals, and anyone who appreciates a well-crafted vehicle that doesn’t shout its presence but confidently asserts it.
City and highway performance
The EPA estimates peg the G80 AWD 2.5L at 22 MPG in the city and 30 MPG on the highway. The city figure reflects the stop-and-go driving conditions where the engine is constantly accelerating and decelerating, a scenario less favorable to fuel efficiency. The 30 MPG highway rating is achieved during more consistent cruising speeds, allowing the engine to operate more efficiently. Expect the actual highway number to dip if you frequently exceed posted speed limits; aerodynamic drag increases significantly at higher velocities.
Annual fuel cost
The EPA estimates the annual fuel cost for the 2024 Genesis G80 AWD 2.5L at $2,300 per year. This figure is based on driving 15,000 miles annually, using the EPA’s combined fuel economy rating, and assumes a national average fuel price. Remember that your actual fuel costs will vary based on your driving habits, the type of fuel you use, and local fuel prices. If you drive significantly more or less than 15,000 miles per year, or if fuel prices in your area are consistently higher than the national average, you can expect your annual fuel expenses to be higher or lower than this estimate.
Real-world expectations
While the EPA estimates provide a standardized benchmark, it’s crucial to consider real-world factors. The G80’s turbocharged engine can be sensitive to driving style. Aggressive acceleration and frequent use of the “Sport” mode will undoubtedly lower fuel economy. Conversely, adopting a gentler driving style and using the “Comfort” or “Eco” modes can potentially yield results closer to, or even slightly exceeding, the EPA estimates. Factors such as ambient temperature, tire pressure, and the use of accessories like air conditioning can also impact fuel consumption.
How it compares
Compared to its competitors, the G80 AWD 2.5L’s fuel economy is competitive, though not class-leading. The BMW 530i xDrive, another popular choice in this segment, achieves a similar 25 MPG combined. The Mercedes-Benz E350 4MATIC is rated slightly higher at 25 MPG combined. The Acura TLX SH-AWD with the 2.0T engine lags behind at 24 MPG combined. The Audi A6 45 TFSI quattro also matches the G80 at 25 MPG combined. While differences exist, they’re often marginal, suggesting that fuel economy isn’t the primary deciding factor for most buyers in this segment. They are often more concerned with comparing G80 MPG across all years to previous vehicles they have owned.
Tips to maximize efficiency
Ensure your tires are properly inflated. Low tire pressure increases rolling resistance, forcing the engine to work harder and consume more fuel. Check your tire pressure regularly and maintain the recommended inflation levels found on the driver’s side doorjamb.
Minimize idling. Modern engines are designed to be more efficient when running than when idling. If you anticipate being stopped for more than a minute, consider turning off the engine. This is especially effective in urban environments with frequent stoplights and traffic congestion.
Avoid aggressive driving. Rapid acceleration and hard braking consume significantly more fuel. Practice smooth, progressive acceleration and anticipate traffic conditions to minimize unnecessary braking. The G80’s turbocharged engine responds readily to throttle inputs, making it easy to burn excessive fuel without realizing it.
Service the vehicle regularly. A well-maintained engine operates more efficiently. Follow the recommended maintenance schedule for your G80, including regular oil changes, air filter replacements, and spark plug inspections. These seemingly minor tasks can collectively contribute to improved fuel economy.
Consider using the “Eco” driving mode. The G80 offers different driving modes that optimize engine performance and fuel efficiency. Select “Eco” mode when possible to prioritize fuel conservation. This mode typically reduces throttle sensitivity, optimizes transmission shift points, and may even adjust the climate control system to conserve energy. For all Genesis fuel economy data, you can also find out about their other efficiency-prioritized models.