Cadillac · 2023
XT6 FWD 2.0L 4-cyl
✓ EPA Verified
Premium Gasoline
Small Sport Utility Vehicle 2WD
Front-Wheel Drive
City
21
MPG
Combined
23
MPG
Highway
27
MPG
Annual Fuel Cost
$2,500
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$350
more per year
Class Comparison — Small Sport Utility Vehicle 2WD
Bottom 15%
Better than 15 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 23 MPG
This vehicle
23 MPG
Class average
37 MPG
Class lowest
18 MPG
EPA Energy & Environment Scores
5
Energy Score
Out of 10
5
GHG Score
Out of 10
386 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine2.0L 4-cyl
TransmissionAutomatic (S9)
DriveFront-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassSmall Sport Utility Vehicle 2WD
Engine DescSIDI
Start-StopYes
EPA Vehicle ID45373

23 MPG combined is the EPA estimate for the 2023 Cadillac XT6 FWD 2.0L. It’s acceptable for a mid-size luxury SUV, but it’s not the most fuel-efficient in its class. This vehicle is designed for buyers who want space, style, and a smooth ride more than saving on gas. They likely need the three rows, appreciate the Cadillac badge, and are willing to accept the fuel consumption. It’s a compromise they understand.

City and highway performance

The EPA estimates this XT6 configuration, front-wheel drive with the 2.0L turbocharged four-cylinder, at 21 MPG in the city and 27 MPG on the highway. These numbers show the engine’s capabilities in different driving. The 21 MPG city rating is reasonable for urban driving, where stopping and starting uses more fuel for acceleration. The 27 MPG highway figure is better, meaning that sustained cruising at legal speeds lets the engine operate more efficiently. But, aggressive driving or speeding on the highway will lower those gains. The automatic nine-speed transmission is programmed for fuel savings, using higher gears to keep engine RPMs low at cruising speeds.

Annual fuel cost

The EPA says the annual fuel cost for the 2023 Cadillac XT6 FWD 2.0L is $2,500. This is based on driving 15,000 miles per year with average fuel prices. This is an estimate, as your actual fuel costs will vary depending on your driving, the roads you drive on, and local fuel prices. Using the $2,500 figure lets buyers compare the XT6’s costs with other vehicles. Luxury vehicles often recommend or require premium fuel, so gas prices can affect the annual fuel cost a lot.

Real-world expectations

The EPA provides standardized testing, but real-world fuel economy can be different. Factors like driving style, traffic, and terrain can change your MPG. If you accelerate fast, brake hard, or drive in stop-and-go traffic, your fuel economy will be lower than the EPA estimates. Driving in hilly areas will strain the engine and reduce efficiency. If you drive on flat, open highways at moderate speeds, you might see numbers that match or exceed the EPA’s highway rating. Payload also matters, as carrying passengers or cargo can negatively impact fuel consumption.

How it compares

The XT6 has lots of competition in the mid-size luxury SUV segment, and fuel economy is often important to buyers. The Acura MDX, for example, gets around 22 MPG combined with its V6 engine, focusing on power. The Lexus RX 350 offers around 25 MPG combined in its front-wheel drive configuration, better than the XT6. If saving gas is important, a hybrid like the Lexus RX 450h offers over 30 MPG combined. The Genesis GV80, is an interesting comparison, with its turbo-four engine, it gets around 22 MPG combined. The numbers show that the XT6 is near the top of its class for saving fuel. Buyers willing to sacrifice some luxury for more fuel savings might consider mainstream rivals. For all Cadillac fuel economy data, explore all Cadillac fuel economy data.

Tips to maximize efficiency

Drive smoothly. Avoid aggressive acceleration and heavy braking, as this wastes fuel. Watch traffic and keep a steady speed whenever possible. Gentle acceleration and coasting will help. For specific XT6 MPG across all years, dive into detailed model year information.

Make sure your tires have the right pressure. Underinflated tires create more rolling resistance, which lowers fuel economy. Check your tire pressure often, especially when the temperature changes. The correct tire pressure is on a sticker inside the driver’s side doorjamb.

Minimize idling. If you’re stopped for more than a minute or two, turn off the engine. Modern engines restart quickly, and idling wastes more fuel than restarting. This matters near schools or in stop-and-go city traffic.

Use cruise control on the highway to maintain a consistent speed, which improves fuel economy. But, be careful using cruise control in hilly areas, as the system may downshift frequently, wasting fuel.

Keep your vehicle maintained with regular oil changes, air filter replacements, and other routine tasks to help your engine run efficiently and save fuel. A poorly maintained engine will be less efficient and use more fuel.