Cadillac · 2024
CT5 2.0L 4-cyl
✓ EPA Verified
Premium Gasoline
Midsize Cars
Rear-Wheel Drive
City
23
MPG
Combined
27
MPG
Highway
33
MPG
Annual Fuel Cost
$2,150
Based on 15,000 miles/year · EPA estimates
Class Comparison — Midsize Cars
Bottom 49%
Better than 49 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 27 MPG
This vehicle
27 MPG
Class average
35 MPG
Class lowest
13 MPG
EPA Energy & Environment Scores
5
Energy Score
Out of 10
5
GHG Score
Out of 10
333 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine2.0L 4-cyl
TransmissionAutomatic (S10)
DriveRear-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassMidsize Cars
Engine DescSIDI
Start-StopYes
EPA Vehicle ID46789

The 2024 Cadillac CT5 with the 2.0L turbocharged four-cylinder achieves 27 MPG combined, a calculated compromise. Buyers seeking Cadillac’s style, modern technology, and some efficiency may find this engine appealing. It’s for those who value the luxury experience but aren’t chasing maximum performance or the higher-powered V-series trims. This engine and configuration suits the practical luxury consumer who appreciates a comfortable, well-equipped sedan without the fuel penalties of a larger engine.

City and highway performance

The EPA estimates provide a guide to anticipate fuel economy. The 2024 CT5 2.0L is rated at 23 MPG in the city and 33 MPG on the highway. These figures reflect the engine’s tuning, the 10-speed automatic transmission’s ability to keep the engine in its most efficient range, and the vehicle’s aerodynamics. The highway figure is relevant for those who frequently travel longer distances, while the city MPG provides a realistic expectation for daily commutes and urban driving. The 10-speed transmission helps with both figures. Lower gears aid city acceleration, and the higher gears allow for relaxed, fuel-sipping cruising on the highway.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2024 Cadillac CT5 2.0L is $2,150. This figure is based on driving 15,000 miles per year, using a blend of city and highway driving conditions, and assumes national average fuel prices. Your individual fuel costs will depend on your driving habits, the type of fuel you purchase, and fuel prices in your area. Aggressive driving and consistent city driving will increase this figure, while conservative highway driving can reduce it.

Real-world expectations

The EPA figures provide a standardized benchmark, but real-world fuel economy can vary. Factors such as driving style, traffic, terrain, and tire pressure can all influence the actual MPG you achieve. Owners who prioritize smooth acceleration, anticipate traffic flow, and properly maintain their vehicle are more likely to achieve figures closer to the EPA estimates. However, those with a heavier foot or those who frequently drive in congested areas may see lower numbers. Many modern vehicles also provide real-time fuel economy readouts, allowing drivers to monitor their consumption and adjust their driving habits to conserve fuel.

How it compares

In the compact luxury sedan segment, the CT5 2.0L’s fuel economy is about average. The BMW 330i achieves a similar 28 MPG combined. The Lexus IS 300 RWD achieves just 25 MPG combined, giving the CT5 an edge for efficiency. The Acura TLX with its base 2.0L engine also obtains a combined 25 MPG. These comparisons matter because fuel economy is increasingly factored into the overall ownership cost analysis. Shoppers often weigh the prestige and features of a model against its long-term fuel expenses and other ownership costs.

Tips to maximize efficiency

Gentle acceleration is key to minimizing fuel consumption in the CT5 2.0L. The turbocharged engine delivers torque at low RPMs, therefore, there is no need to push the accelerator to achieve acceptable performance during routine driving. Avoiding hard starts and stops not only saves fuel, but also reduces wear and tear on the vehicle’s components.

Proper tire inflation is critical for optimizing fuel economy. Check your tire pressure regularly and maintain the recommended pressure, which can be found on the tire placard located on the driver’s side doorjamb. Underinflated tires increase rolling resistance, reducing fuel efficiency.

Minimize unnecessary weight in the vehicle. Removing heavy items from the trunk or cargo area reduces the amount of energy required to move the vehicle, resulting in improved fuel economy. Every extra pound adds up, especially during city driving with frequent acceleration and deceleration.

Use the CT5’s cruise control feature on the highway. Maintaining a consistent speed helps to reduce fluctuations in fuel consumption. But, avoid using cruise control in hilly terrain, as the system may downshift aggressively to maintain speed, negating some of the fuel-saving benefits.

Regular maintenance, including oil changes and air filter replacements, is critical for ensuring engine performance and fuel efficiency. A well-maintained engine operates more efficiently and maximizes the amount of power produced from each gallon of fuel. See all Cadillac fuel economy data and CT5 MPG across all years.