With 28 MPG combined, the 2021 Mazda CX-30 2WD with the 2.5L engine offers sensible efficiency and fits its role as a stylish and practical urban vehicle. It’s not designed for record-breaking fuel economy. It offers appealing design and engaging driving dynamics without costing too much at the pump. Buyers are often young professionals and empty-nesters who value aesthetics and maneuverability in a compact package. Fuel costs are a consideration, but not the main reason for their decision.

City and highway performance

The EPA estimates 25 MPG in the city and 33 MPG on the highway. The CX-30’s performance often mirrors these figures. This is especially true on longer highway drives where the smooth-shifting six-speed automatic transmission allows the engine to settle into a relaxed and efficient cruising speed. City driving, with its stop-and-go nature, will naturally see a slight dip in fuel economy, but the responsive 2.5L engine provides enough torque to avoid feeling sluggish, even when fully loaded. The lack of a turbocharger means that, unlike some rivals, the CX-30 doesn’t suffer dramatically in fuel consumption when pushed harder in urban environments.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2021 Mazda CX-30 2WD 2.5L at $1,550. This is based on driving 15,000 miles per year and using national average fuel prices. Your actual fuel costs will vary depending on local fuel prices, driving habits, and the percentage of city versus highway driving you do. $1,550 is a reasonable price to pay for the CX-30’s blend of style, performance, and practicality.

Real-world expectations

The EPA provides a standardized benchmark, but owners report a range of experiences depending on their driving style and environment. Drivers who accelerate quickly or frequently encounter stop-and-go traffic may see figures closer to the low end of the EPA range. Drivers who prioritize smooth acceleration and consistent speeds on highways can often exceed the EPA’s 33 MPG highway estimate. Monitoring your driving habits and using fuel-efficient driving techniques can significantly impact your mileage. Ambient temperature, terrain, and tire inflation can affect fuel economy.

How it compares

The CX-30 is in a competitive segment. The Honda HR-V, known for its practicality, achieves around 28 MPG combined in its 2WD configurations, making it nearly identical in overall economy. The Nissan Kicks prioritizes fuel efficiency above all else and boasts a combined 33 MPG. However, it lacks the CX-30’s performance and upscale interior. Some hybrid models, like the Toyota C-HR offering a combined 37 MPG, come close in price, though they deliver a distinctly different driving experience. Check CX 30 MPG across all years to compare to previous models.

Tips to maximize efficiency

Avoid aggressive acceleration and braking. The CX-30’s naturally aspirated engine benefits from smooth, gradual acceleration. Anticipating traffic flow and maintaining a consistent speed can prevent unnecessary bursts of power, which consume extra fuel. Resist hard braking by coasting to stops whenever possible.

Maintain proper tire inflation. Underinflated tires create more rolling resistance, forcing the engine to work harder and burn more fuel. Check your tire pressure regularly (at least once a month) and inflate them to the recommended pressure indicated on the sticker inside the driver’s side door jamb. A slight difference in tire pressure can impact fuel economy.

Reduce unnecessary weight. Carrying excessive cargo increases the vehicle’s weight and reduces fuel efficiency. Remove any items you don’t need from the trunk or back seat. Extra weight in the form of passengers will also impact fuel economy, so consolidating trips can conserve gas when possible.

Plan your trips efficiently. Combining errands into a single trip avoids multiple cold starts, which consume more fuel. Route planning to avoid congested areas can also save time and fuel. Consider errands during off-peak hours to maximize average speed and efficiency.

Review all Mazda fuel economy data to see how other models compare.