23 MPG combined isn’t the best fuel economy for the 2016 Infiniti Q50S 3.0L 6-cyl, and it’s not supposed to be. This car is made for drivers who want a responsive engine and a sporty driving experience more than excellent fuel efficiency. It’s a careful exchange, made by buyers who like the smooth power of the turbocharged V6 and the engaging handling that makes the Q50S different from its more average competitors. For those looking for a luxury sport sedan with some power, fuel economy is often less important.

City and highway performance

The EPA estimates for the 2016 Q50S 3.0L show its performance focus. The city rating is 19 MPG, which is fairly normal for a car with this much horsepower. Stop-and-go traffic will, of course, make it lower. On the open road, the Q50S does better, getting 28 MPG on the highway. This shows the engine’s ability to cruise without wasting fuel when not being pushed hard. The automatic transmission, with its seven gears, helps use less gas at higher speeds, keeping the engine at the best level for both power and efficiency. Still, remember that driving hard will quickly erase any possible gains.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2016 Infiniti Q50S 3.0L 6-cyl will be $2,500. This number is based on driving 15,000 miles per year and using national average fuel prices. Individual costs can vary a lot depending on driving habits, local fuel prices, and the type of fuel used. This cost can be a factor for many owners, but this vehicle is usually owned by those who care more about the driving experience than the annual fuel cost.

Real-world expectations

While the EPA estimates are a helpful guide, it’s important to adjust your expectations based on real-world driving. The Q50S, with its responsive turbocharged engine, makes you want to drive fast. Accelerating hard often, especially in Sport mode, will lower fuel economy. Owners who share their numbers on fuel economy websites often see numbers a little lower than the EPA estimates, especially in combined and city driving. Highway numbers, however, are usually closer to the EPA’s projections, assuming a steady speed and not much aggressive passing.

How it compares

Compared to others in the luxury sport sedan group, the 2016 Infiniti Q50S 3.0L is in the middle. The BMW 340i, for example, gets about 25 MPG combined, offering a little better fuel economy with similar performance. The Lexus IS 350, known for its reliability, gets about 22 MPG combined, a little less than the Q50S. Audi’s S4, which focuses more on performance, is about the same as the Q50S at 23 MPG. These comparisons show the Q50S’s fuel consumption among other desirable, sporty sedans. Buyers compare these numbers with the Q50S’s other features, such as its unique style, luxurious interior, and fun driving. If you would like to see all Infiniti fuel economy data, we have that available for you. Also, if you’d like to compare the Q50S MPG across all years, you can check that out too.

Tips to maximize efficiency

Use the Q50S’s selectable drive modes. The “Standard” or “Eco” modes will change the throttle and shift points to focus on fuel efficiency instead of all-out performance. While “Sport” mode is tempting, using it less can make a difference in your MPG.

Regular maintenance is important for using less gas. Make sure your tires have the right amount of air, as tires with low air create more rolling resistance. Keep up with scheduled oil changes and replace the air filter when needed, as a clean engine runs better.

Watch the traffic and avoid speeding up and braking too much. Keeping a smooth, consistent speed helps use as little gas as possible. Use cruise control on the highway when you can to improve your MPG even more.

Remove extra weight from the car. Taking unnecessary items from the trunk and passenger area can improve fuel economy a little. Every bit helps, especially in a car like the Q50S where performance is often more important.

Think about the type of fuel you’re using. The Q50S doesn’t need premium fuel, but using it may slightly improve performance and fuel economy, though the cost may be more than the benefits. Try it and see if you notice a difference in your driving and MPG.