The 2019 Genesis G80 RWD 5.0L 8-cyl achieves 19 MPG combined. While it won’t win any awards for less gas use, that figure aligns with the car’s purpose: a comfortable and powerful large sedan. This G80 isn’t trying to be a hybrid; it wants the thrust that a naturally aspirated V8 delivers. Buyers are often affluent professionals or retirees who want a luxurious ride and reliable performance more than saving money at the pump. They also appreciate the value Genesis offers compared to German rivals.

City and highway performance

The EPA-estimated 16 MPG in the city reflects the engine’s size and the car’s weight. Stop-and-go traffic always uses more fuel. The 24 MPG highway figure is better. The eight-speed automatic transmission helps save fuel at cruising speeds, but the 5.0-liter V8 is always ready to accelerate, which reduces gas mileage. Most drivers will find the real-world highway number achievable on long trips if they drive conservatively.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2019 Genesis G80 5.0L at $3,050. This is based on driving 15,000 miles per year and national average fuel prices and is a benchmark for comparing costs between cars. Individual fuel costs will change based on driving, local fuel prices, and fuel type. Driving hard or always using premium fuel will increase the annual cost.

Real-world expectations

While the EPA estimates provide a baseline, real-world fuel economy can change based on driving style and conditions. Drivers who accelerate quickly or drive in stop-and-go traffic will likely see numbers closer to the city estimate. On the other hand, those who primarily drive on the highway and drive gently can realistically approach or slightly exceed the EPA’s highway figure.

The G80’s trip computer shows real-time and average fuel economy, which helps you monitor your fuel use and adjust your driving.

How it compares

Compared to its competitors, the 2019 Genesis G80 5.0L’s fuel economy tells a clear story. The BMW 540i xDrive, with its turbocharged 3.0-liter inline-six, gets 25 MPG combined, a more efficient choice. The Mercedes-Benz E450 4MATIC, with a turbocharged six-cylinder, also gets 25 MPG combined. Even the Lexus GS 350, known for its reliability and V6, gets a slightly better 23 MPG combined. The Genesis offers good value and a powerful V8, but fuel efficiency isn’t its strength.

G80 5.0L buyers don’t always prioritize fuel economy. They value the driving experience and luxury that Genesis provides at an attractive price. You can also compare G80 MPG across all years to see how this number has changed.

Tips to maximize efficiency

Avoid accelerating quickly. The G80’s V8 responds well, but rapid acceleration burns fuel quickly. Gradual acceleration lets the engine operate efficiently, especially in city driving. Anticipate traffic and maintain a steady speed when possible, which reduces braking and acceleration and saves fuel.

Use cruise control on the highway. Maintaining a constant speed with cruise control helps save fuel on long highway drives. It minimizes speed changes and allows the engine to operate efficiently. Watch the terrain and adjust your speed on hilly roads.

Ensure proper tire inflation. Underinflated tires increase drag, which reduces fuel economy. Check your tire pressure regularly and inflate them to the manufacturer’s recommended pressure. The correct pressure is on a sticker on the driver’s side doorjamb.

Minimize idling. Idling wastes fuel. If you are stopped for more than a minute or two, turn off the engine. Modern cars restart quickly, so idling uses fuel without helping. This matters more in the G80, with its large engine.

Keep your vehicle maintained. Regular maintenance, including oil changes and air filter replacements, helps your G80 operate efficiently. A well-maintained engine burns fuel efficiently and produces fewer emissions. Consider checking all Genesis fuel economy data when thinking about long-term running costs.