20 MPG combined is the reality for the 2019 Genesis G70 RWD with the 3.3L twin-turbo V6, and that fact rarely scares away the target customer. This isn’t a Prius competitor, nor does it pretend to be. The G70 3.3T exists to deliver performance and luxury at a price that undercuts the established German guard. Fuel economy, while certainly relevant, is less important than the acceleration and refined handling. This is a car for those who appreciate driving dynamics and understand that fun at the wheel usually comes with a trade-off at the pump.

City and highway performance

The EPA estimates paint a fairly clear picture: 17 MPG in the city and 26 MPG on the highway. The city figure reflects the nature of a turbocharged engine in stop-and-go traffic, where the turbos are constantly spooling up and down, demanding extra fuel. The highway number, however, is quite respectable, suggesting that the G70 is a relaxed cruiser when the boost isn’t needed. The eight-speed automatic transmission plays an important role here, keeping the engine in its most efficient range at cruising speeds. But let’s be honest: few G70 3.3T owners are hypermiling their way down the interstate. The temptation to use the engine’s available power is simply too great.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2019 Genesis G70 RWD 3.3L 6-cyl is $2,900. This figure is based on driving 15,000 miles per year, with 55% of those miles driven in the city and 45% on the highway. The calculation also assumes national average fuel prices. Of course, your actual fuel costs will vary depending on your driving habits, the type of fuel you use, and local gas prices. If you frequently drive fast or live in an area with high fuel prices, expect to exceed this estimate, conversely, if you drive mostly on the highway and take a gentle approach to the accelerator, you might spend less. Remember that this car recommends premium fuel, so factor that higher cost into your budget.

Real-world expectations

The official EPA numbers provide a baseline, but real-world fuel economy often differs. Many G70 3.3T owners average around 18-22 MPG in mixed driving conditions. These numbers can dip into the low teens during aggressive driving, particularly on canyon roads or track days. Some have reported exceeding the EPA highway estimate during long, relaxed road trips. Ultimately, your mileage will vary, but don’t expect to consistently achieve the advertised 26 MPG unless you’re making an effort to drive efficiently. If you are willing to put in the effort, there are ways to maximize the G70’s fuel economy, but these require restraint.

How it compares

In the competitive sport sedan segment, the G70’s fuel economy lands somewhere in the middle. A BMW 340i, for example, gets around 25 MPG combined, offering better efficiency while retaining a similar level of performance. Pricing is better on the Genesis. The Audi S4 is roughly comparable at around 24 MPG combined, but it is typically a bit more expensive. Compared to the Infiniti Q50 Red Sport 400, the G70’s fuel economy is almost identical, with both cars prioritizing performance over efficiency. If fuel economy is a primary concern, you might consider a model like the Lexus IS 350, which has a smoother, less aggressive approach. Comparing G70 MPG across all years shows that this has been a consistent reality for the model.

Tips to maximize efficiency

The G70 responds well to measured throttle inputs. Accelerating smoothly and gradually, rather than stomping on the gas pedal, can improve your fuel economy, especially in city driving. Anticipate traffic flow and avoid sudden braking or acceleration to conserve momentum and reduce unnecessary fuel consumption.

Select the “Eco” driving mode when you’re not in the mood for spirited driving. This mode adjusts the throttle response and transmission shift points to prioritize fuel efficiency. While it won’t transform the G70 into a fuel sipper, it can make a noticeable difference during routine commutes.

Ensure that your tires are properly inflated. Underinflated tires increase rolling resistance, which negatively impacts fuel economy. Check your tire pressure regularly and inflate them to the level recommended on the doorjamb or in the owner’s manual.

Regular maintenance is important for fuel efficiency. Ensure that your engine is properly tuned, and replace air filters and spark plugs according to the manufacturer’s recommendations. A well-maintained engine runs more efficiently, saving you money at the pump. You can see all Genesis fuel economy data here.