24 MPG combined isn’t going to win any green awards, but it’s perfectly acceptable for the 2023 Toyota GR Corolla. This is a rally-bred hot hatch with a turbocharged three-cylinder engine relentlessly chasing apexes. The GR Corolla exists to deliver maximum driving thrills. The buyer isn’t prioritizing fuel consumption; they’re after engagement, performance, and a direct connection to the road. These enthusiasts accept the fuel economy penalty as the price to enter a very exclusive club.

City and highway performance

The EPA estimates 21 MPG in the city and 28 MPG on the highway for the GR Corolla. The city figure reflects stop-and-go traffic, demanding constant acceleration from the punchy 1.6L three-cylinder. The GR Corolla’s short wheelbase and responsive steering make it a joy to maneuver in urban environments, encouraging frequent bursts of speed.

On the highway, the 28 MPG figure is easier to achieve, but restraint is key. The temptation to exploit the engine’s mid-range torque and the car’s inherent stability at higher speeds can quickly diminish fuel efficiency. Maintaining a steady pace and resisting the urge to pass every vehicle in sight is crucial for maximizing highway MPG. These numbers are not far off from other performance-oriented cars though.

Annual fuel cost

According to the EPA, the annual fuel cost for the 2023 Toyota GR Corolla is estimated at $2,400. This is based on driving 15,000 miles per year and using national average fuel prices. This is just an estimate, and your actual fuel costs may vary depending on your driving habits, local fuel prices, and the type of fuel you use. Someone who tracks their mileage carefully will notice it differs. If you spend most of your time carving canyon roads or participating in track days, expect to exceed this estimate significantly. Conversely, if you primarily use the GR Corolla for commuting and adopt a more conservative driving style, you might be able to lower your annual fuel expenses.

Real-world expectations

While the EPA estimates provide a useful benchmark, real-world fuel economy often differs. Many GR Corolla owners report numbers slightly below the official figures, especially when driven aggressively. Expect combined figures closer to 22-23 MPG with mixed driving, and potentially lower if you frequently engage in spirited driving. However, dedicated hypermilers might be able to meet or even exceed the EPA estimates by employing techniques such as gentle acceleration, anticipating traffic flow, and minimizing braking. These are not techniques typically associated with GR Corolla ownership, but they’re certainly possible. Take a look at GR MPG across all years for context.

How it compares

The GR Corolla occupies a unique space in the market, blurring the lines between hot hatchback and rally-inspired performance car. The Honda Civic Si, a more mainstream performance option, achieves 31 MPG combined with its 1.5L turbo engine and standard manual transmission. The Hyundai Elantra N, another competitor, manages 25 MPG combined, thanks to its 2.0L turbo and available manual gearbox. The Subaru WRX, with its standard all-wheel drive and 2.4L turbo, comes in at 22 MPG combined. While the Civic Si and Elantra N outperform the GR Corolla in terms of fuel efficiency, all cars on this list offer completely different driving experiences. The GR Corolla delivers a more raw and visceral experience. For buyers prioritizing fuel efficiency, the Civic Si is a more sensible choice but for those wanting a wild AWD hot hatch, the GR Corolla is the way to go.

Tips to maximize efficiency

The GR Corolla’s turbocharged three-cylinder engine is happiest when revved, but mindful throttle inputs can make a difference. Avoid abrupt acceleration and deceleration, and try to anticipate traffic flow to maintain a consistent speed. Smoothness is key to maximizing efficiency without sacrificing too much enjoyment.

The GR Corolla is equipped with a six-speed manual transmission, which puts you in complete control of gear selection. Shift up early when possible to keep the engine in its most efficient range. Avoid unnecessary downshifts and try to maintain momentum whenever feasible.

Regular maintenance is especially important for turbocharged engines. Ensure that your GR Corolla receives timely oil changes, air filter replacements, and spark plug inspections. A well-maintained engine operates more efficiently, maximizing both performance and fuel economy. Check all Toyota fuel economy data for more information.

The GR Corolla’s aggressive tires provide excellent grip, but they also contribute to rolling resistance. Ensure that your tires are properly inflated to the recommended pressure to minimize friction and optimize fuel efficiency. Check your tire pressure regularly, especially during significant temperature changes.

While the GR Corolla is designed for performance driving, minimizing aerodynamic drag can improve fuel economy on the highway. Remove any unnecessary roof racks or cargo carriers, and avoid driving at excessively high speeds where aerodynamic resistance increases exponentially.