25 MPG combined won’t win any fuel economy awards, but it’s a perfectly reasonable figure for the 2025 Cadillac CT4 AWD with the 2.0L turbocharged engine. This isn’t a hybrid or an economy car. It’s a compact luxury sedan with sporting intentions and all-wheel drive, designed to offer a good driving experience. Buyers considering this CT4 variant aren’t necessarily prioritizing fuel efficiency above all else; they’re seeking the prestige of the Cadillac brand, a comfortable and stylish interior, confident handling in all weather, and a spirited engine. They understand there’s a tradeoff.

City and highway performance

The CT4 AWD 2.0L delivers 21 MPG in the city and 31 MPG on the highway, according to EPA estimates. The city figure represents stop-and-go traffic, frequent acceleration, and idling, all scenarios that negatively impact fuel consumption. The highway number, on the other hand, reflects more consistent speeds and less demand on the engine, which helps boost efficiency. Long highway commutes will definitely yield better overall MPG than primarily city driving. Drivers who spend most of their time in urban environments should lower their fuel economy expectations accordingly. Aggressive driving will further penalize both city and highway figures, while a gentle foot can help you approach the EPA estimates.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2025 Cadillac CT4 AWD 2.0L at $2,300. This figure is based on driving 15,000 miles per year and using national average fuel prices. Keep in mind that fuel prices fluctuate regionally and seasonally, so your actual fuel costs may vary. If you drive significantly more or less than 15,000 miles per year, or if you live in an area with higher fuel costs, your annual expenditure will be different. Despite these variables, the $2,300 figure offers a useful benchmark for comparing the CT4’s running costs to other vehicles. For a broader look at running costs you can review CT4 MPG across all years to see historical trends.

Real-world expectations

While the EPA provides a standardized testing procedure, real-world fuel economy can vary significantly based on individual driving habits, road conditions, and even the weather. Aggressive acceleration, frequent braking, and high speeds will all decrease fuel economy. Properly maintaining your vehicle, including regular tire pressure checks and oil changes, can help optimize efficiency. Consider the EPA numbers as a baseline, then realistically assess your own driving style and conditions to anticipate your personal MPG.

How it compares

Compared to its competitors, the 2025 Cadillac CT4 AWD’s fuel economy is average. The BMW 330i xDrive, for instance, is rated at 28 MPG combined. The Audi A4 quattro achieves a similar 28 MPG combined rating. The Mercedes-Benz C300 4MATIC lands at 26 MPG combined, slightly edging out the CT4. These differences, while seemingly small on paper, can add up over time, especially considering premium fuel is often recommended for these luxury vehicles. The Lexus IS 350 AWD, a more powerful but less fuel-efficient option, delivers only 22 MPG combined. A prospective buyer must weigh the importance of factors like performance, features, and brand cachet against potential fuel savings when making their decision. and remember you can view all Cadillac fuel economy data to compare CT4 across the range with other Cadillacs.

Tips to maximize efficiency

Avoid aggressive acceleration and braking. The CT4’s turbocharged engine delivers plenty of power when needed, but using it sparingly will contribute to better fuel economy. Gentle and progressive acceleration, along with anticipating traffic flow to minimize braking, can make a noticeable difference over time.

Maintain proper tire inflation as specified on the door jamb sticker. Underinflated tires create more rolling resistance, which forces the engine to work harder and reduces fuel efficiency. Regularly check your tire pressure, especially during temperature changes, as it can fluctuate.

Reduce unnecessary weight. Carrying extra cargo in the trunk or backseat adds weight to the vehicle which in turn reduces fuel economy. Remove any items you don’t need to lighten the load and improve efficiency.

Use cruise control on the highway when appropriate. Maintaining a consistent speed can help optimize fuel economy, especially on long drives. However, be mindful of traffic conditions and disengage cruise control when necessary.

Consider using a lighter-weight synthetic motor oil that meets GM’s dexos specification for the 2.0L turbo engine. While this alone won’t dramatically increase MPG, every small improvement adds up. Always stick to GM’s recommendations on oil viscosity and change intervals.