32 MPG combined is a good number for the 2017 Mazda 3 4-Door when equipped with its 2.0L 4-cylinder engine and automatic transmission. It’s a balance of efficiency and driving enjoyment that appeals to young professionals, urban dwellers, and anyone who wants a fun-to-drive compact car without high fuel costs. These buyers may give up a few MPG for the Mazda 3’s sharp handling and responsive engine, knowing they aren’t sacrificing too much at the pump.

City and highway performance

The EPA estimates the 2017 Mazda 3 4-Door at 28 MPG in the city and 37 MPG on the highway. This split shows where the Mazda 3 excels. Its relatively lightweight design and responsive throttle make it nimble in urban environments, while the smooth-shifting automatic transmission helps maintain efficiency during highway cruising. The 37 MPG highway figure is appealing for those who commute or frequently take road trips, showing that this car is more than just for the city.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2017 Mazda 3 4-Door 2.0L at $1,350. This figure is based on driving 15,000 miles per year, with a mix of city and highway driving, and using the national average fuel price at the time of testing. Your actual fuel costs will vary depending on your driving habits, the type of fuel you use, and where you live. But $1,350 is a benchmark for understanding the Mazda 3’s running costs. Check current fuel prices to calculate a more accurate estimate based on your specific situation.

Real-world expectations

While the EPA estimates are a guide, real-world fuel economy can vary. Aggressive acceleration, frequent short trips, and extreme weather conditions can all negatively impact fuel consumption. A driver who drives smoothly and avoids idling may see numbers closer to, or even slightly above, the EPA estimates. Some owners report achieving highway fuel economy in the low 40s during steady-state cruising. Neglecting basic maintenance, such as tire inflation and air filter replacement, will lead to decreased fuel efficiency.

How it compares

In the compact car segment, the Mazda 3’s fuel economy is competitive. For example, the Honda Civic with its 2.0L engine achieves around 31 MPG combined, while the Toyota Corolla often lands closer to 33 MPG, with its LE Eco trim achieving upwards of 35 MPG. The Hyundai Elantra Eco also has similar figures, usually averaging to 35 MPG. The Mazda 3 falls behind some eco-focused trims but is better than others, while delivering a more engaging driving experience. The Mazda 3 MPG across all years shows consistent commitment to balancing efficiency and performance.

Tips to maximize efficiency

The Mazda 3’s Skyactiv-G engine responds well to smooth driving. Avoid aggressive acceleration and excessive braking. Anticipate traffic flow and maintain a consistent speed whenever possible. Regular maintenance will yield the best results, so service at the recommended intervals or sooner.

Proper tire inflation is a simple way to improve fuel economy. Check your tire pressure regularly and inflate them to the recommended pressure listed on the driver’s side doorjamb. Underinflated tires create more rolling resistance, which decreases fuel efficiency.

Reduce idling. If you’re stopped for more than a minute, turn off the engine. Modern engines are designed to restart quickly and efficiently. Idling wastes fuel and contributes to unnecessary emissions. This is important in stop-and-go traffic.

Consider using cruise control on the highway. Cruise control helps maintain a consistent speed, which can improve fuel economy. However, avoid using cruise control in hilly terrain, as it can sometimes lead to unnecessary downshifts and increased fuel consumption.

Regularly check and replace the air filter. A clean air filter ensures that the engine receives the proper amount of air for combustion. A clogged air filter restricts airflow, which can negatively impact fuel economy. Consult your owner’s manual for the recommended replacement interval.