The 2024 Cadillac CT4 with the 2.7L turbocharged four-cylinder gets 25 MPG combined, and that number needs some explanation. It isn’t a hyper-efficient economy car; it’s a Cadillac for drivers who want quick acceleration and some athleticism over saving fuel. They’re okay with slightly lower MPG for a car with a distinct character. The 2.7L engine is interesting in this class since many rivals use smaller engines with more turbocharging. This CT4 is all about power that feels effortless.

City and highway performance

The EPA estimates the CT4 2.7L gets 21 MPG in the city and 31 MPG on the highway. While not groundbreaking, these numbers show how the engine performs and the vehicle’s size. The city MPG reflects the engine’s readiness to deliver power, which uses more fuel. The highway MPG is reasonable. Cadillac engineers optimized efficiency at cruising speeds with the standard automatic transmission.

Annual fuel cost

The EPA calculates the annual fuel cost for this CT4 at $2,300. This is based on driving 15,000 miles per year, with 55% in the city and 45% on the highway. It also uses the national average fuel price when calculated. Your actual fuel costs will change depending on your driving and gas prices in your area. The $2,300 estimate is a common baseline for comparing the CT4’s fuel costs to other cars.

Real-world expectations

While the EPA provides a useful benchmark, real-world fuel economy often differs. Aggressive driving, frequent short trips, and heavy traffic can hurt fuel efficiency. But a driver who accelerates smoothly and anticipates traffic might see slightly better numbers than the EPA estimates. Temperature also matters; cold weather usually reduces fuel economy because of increased engine friction and richer fuel mixtures.

How it compares

The CT4 2.7L’s fuel economy is in the middle compared to its competitors. The BMW 330i gets 28 combined MPG with its 2.0L turbocharged four-cylinder. The Acura Integra, in its most efficient form, can reach 33 MPG combined. But neither has as much power as the CT4. The Mercedes-Benz C300, with its turbocharged 2.0L engine, closely matches the CT4’s MPG. Checking CT4 MPG across all years reveals a consistent trend for this vehicle’s consumption. This comparison shows how much compromise drivers are willing to make for more horsepower.

Tips to maximize efficiency

Accelerate smoothly and steadily. The 2.7L engine provides strong torque at low RPMs, so you don’t need to push the gas pedal hard to accelerate. Gentle inputs will save fuel and result in a more refined driving experience matching the CT4’s luxury nature.

Keep your tires properly inflated. Underinflated tires create more rolling resistance, making the engine work harder and burn more fuel. Check your tire pressure often and inflate them to the PSI on the driver’s side door jamb. This helps with fuel efficiency and tire life.

Minimize idling. If stopped for over a minute, turn off the engine. This is especially helpful in cities with stoplights or traffic jams. Idling wastes fuel and emits pollutants. Restarting uses a little fuel, but typically less than idling for a longer period.

Avoid extra weight. The heavier the vehicle, the more fuel it uses. Remove anything from the trunk or back seat that you don’t need regularly, like sporting equipment, tools, or other bulky items. Less weight will improve acceleration, handling, and fuel economy.

Use cruise control on the highway. Keeping a consistent speed helps the engine operate more efficiently. Cruise control avoids small speed changes from driving, which can waste fuel. Set it to an appropriate speed and anticipate traffic to avoid braking will maximize fuel mileage. You can also review all Cadillac fuel economy data to see the brand’s efficiency across all models.