| Engine | 3.3L 6-cyl |
| Transmission | Automatic (S8) |
| Drive | All-Wheel Drive |
| Fuel Type | Premium Gasoline |
| Vehicle Class | Large Cars |
| Engine Desc | SIDI |
| Start-Stop | No |
| EPA Vehicle ID | 41460 |
A 2020 Genesis G80 AWD 3.3L driver should expect 20 MPG combined. It’s a luxury experience that prioritizes space, comfort, and effortless power. It’s a car for those who appreciate a smooth ride, a quiet cabin, and understated elegance, even if it means more frequent trips to the gas station.
City and highway performance
The EPA estimates of 17 MPG in the city and 24 MPG on the highway realistically show the G80’s strengths and weaknesses. Around town, the 3.3L twin-turbo V6 has to work harder, battling stop-and-go traffic and frequent acceleration. The all-wheel-drive system offers enhanced traction and stability, but it adds weight and slightly increases rolling resistance, further impacting city fuel economy. Out on the open road, the G80 settles into a more efficient rhythm. The smooth-shifting eight-speed automatic transmission and the engine’s torque allow for relaxed cruising, making highway miles slip by with ease. 24 MPG is respectable for a car of this size, allowing comfortable long-distance journeys without excessive fuel consumption.
Annual fuel cost
The EPA estimates the annual fuel cost for the 2020 Genesis G80 AWD 3.3L will be approximately $2,900. This is based on driving 15,000 miles per year, with an even split between city and highway driving, and using the EPA’s fuel economy numbers combined with the national average fuel price. This is a benchmark for comparing the G80’s running costs to other vehicles. Potential buyers can factor in the long-term implications of their purchase, but keep in mind actual fuel costs may vary depending on driving habits, local fuel prices, and specific conditions.
Real-world expectations
The EPA estimates provide a standardized point of reference, but real-world fuel economy often differs. Expect the G80’s mileage to change based on driving style, traffic, and the season. Aggressive acceleration, frequent short trips, and prolonged idling will considerably reduce fuel efficiency. However, gentle acceleration, consistent highway speeds, and proactive maintenance can help you get closer to the EPA estimates. Owners often get slightly lower fuel economy in city driving, especially in congested areas. Understanding these variables gives you a realistic expectation of what to expect from your G80.
How it compares
The G80’s fuel economy is in the middle of its competitors. The BMW 540i xDrive, with its 3.0-liter turbocharged inline-six, gets a slightly better 25 MPG combined. The Mercedes-Benz E450 4MATIC, powered by a similar engine, only manages 23 MPG combined. The Lexus GS 350 AWD, powered by a naturally aspirated V6, comes in at 22 MPG combined. For a buyer prioritizing less gas, these differences might sway their decision. The G80 buyer likely considers these MPG variations as one factor with styling, features, and value equally important. Prospective shoppers can compare G80 MPG across all years on our website.
Tips to maximize efficiency
Drive smoothly and deliberately. Avoid aggressive acceleration and braking because they use more fuel. Anticipate traffic and maintain a steady speed. The G80’s torque means you don’t need to press hard on the accelerator to move.
Ensure that the tires are properly inflated. Underinflated tires increase rolling resistance, which reduces fuel economy. Check the tire pressure regularly and inflate them to the recommended levels found on the doorjamb sticker. This simple step can make a difference.
Minimize idling time. If you’re stopped for more than a minute, turn off the engine. Modern engines are designed to withstand frequent starts and stops, and restarting the engine uses less fuel than idling, especially in cities where idling is common.
Use cruise control on the highway. Cruise control helps maintain a consistent speed, which optimizes fuel efficiency. The G80’s adaptive cruise control system can further enhance fuel economy by automatically adjusting the speed to maintain a safe following distance, reducing the need for braking and acceleration.
Consider a lighter touch on the throttle in “comfort” mode. The G80’s drive mode selector has profiles that alter throttle response, transmission shift points, and steering feel. Comfort mode prioritizes fuel efficiency by smoothing throttle inputs and upshifting earlier to keep engine revs low. Browse all Genesis fuel economy data for a broader view of the brand’s offerings.