The 2021 Mitsubishi Mirage G4 1.2L 3-cylinder gets 37 MPG combined, and that fuel economy is the single biggest reason many buyers choose this sedan. This car isn’t about frills, horsepower, or the latest tech; it’s about affordable transportation and saving money on gas. It’s a basic tool designed for those who prioritize fiscal responsibility.

City and highway performance

The Mirage G4 gets an EPA-estimated 35 MPG in the city and 41 MPG on the highway. These numbers show how the car is often used: for commuting. The 1.2L three-cylinder engine, paired with a continuously variable transmission (CVT), prioritizes efficiency. The CVT ensures the engine is always operating efficiently, even if it sacrifices quick acceleration. City driving, with its stop-and-go traffic, allows regenerative braking to help save fuel, while steady highway speeds show the engine’s ability to conserve gas when it’s not working hard. Achieving the 41 MPG highway rating requires driving smoothly and avoiding high speeds; exceeding those limits will impact fuel consumption.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2021 Mitsubishi Mirage G4 at $1,200. This number is based on driving 15,000 miles per year and using the national average fuel price at the time of calculation. Your actual fuel costs will vary depending on your driving habits, the type of driving you do, and the price of gasoline in your area. However, the $1,200 figure is a useful benchmark and highlights the potential savings compared to less fuel-efficient options. For budget-conscious buyers, a predictable, low fuel bill is a major selling point.

Real-world expectations

EPA estimates are a good starting point, but real-world fuel economy often differs. With the Mirage G4, achieving the stated 37 MPG combined is possible, but requires effort. Overenthusiastic acceleration, frequent hard braking, and carrying extra weight can all reduce fuel economy. Drivers who adopt a smooth driving style, anticipate traffic flow, and properly maintain their vehicle can often match or exceed the EPA estimates.

The Mirage G4 is a small, lightweight car, and its fuel economy is sensitive to driving habits. Since most Mirage G4 owners are looking to save money, there is an incentive to drive the car in a way that maximizes fuel economy.

How it compares

The Mirage G4’s fuel economy makes it competitive within the segment of ultra-compact sedans. The Nissan Versa, for example, gets around 35 MPG combined with its automatic transmission, making the Mirage G4 a thriftier option. The Kia Rio, another competitor, achieves around 33 MPG combined, trailing the Mirage G4. These differences can add up to significant savings, further highlighting the Mirage G4’s appeal to budget-minded buyers. For more information, check out all Mitsubishi fuel economy data. If you’re curious about the MIRAGE MPG across all years, we have that information as well.

Tips to maximize efficiency

The Mirage G4’s small engine works harder when carrying extra weight. Remove unnecessary items from your trunk and passenger area to improve fuel economy. Every extra pound requires more energy to accelerate and maintain speed, so decluttering your car can make a difference, especially in city driving.

Tire pressure is critical for fuel efficiency. Underinflated tires increase rolling resistance, forcing the engine to work harder. Regularly check your tire pressure and inflate them to the recommended level, typically found on a sticker inside the driver’s side doorjamb. This maintenance task can improve your gas mileage and extend the life of your tires.

Gentle acceleration and smooth braking are important for maximizing fuel economy. Avoid abrupt starts and stops, as these drain fuel quickly. Anticipate traffic flow and maintain a consistent speed whenever possible. The Mirage G4’s CVT responds best to gradual throttle inputs, allowing it to smoothly transition between gear ratios and optimize fuel efficiency.

While the Mirage G4 is designed for fuel efficiency, it benefits from regular maintenance. Ensure your engine oil is fresh and at the correct level and that your air filter is clean. A well-maintained engine runs more efficiently, reducing fuel consumption and ensuring performance. Pay attention to the recommended service intervals for your CVT.