Cadillac · 2023
XT6 AWD 2.0L 4-cyl
✓ EPA Verified
Premium Gasoline
Small Sport Utility Vehicle 4WD
All-Wheel Drive
City
21
MPG
Combined
23
MPG
Highway
26
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 4WD
Bottom 34%
Better than 34 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 23 MPG
This vehicle
23 MPG
Class average
31 MPG
Class lowest
14 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)
DriveAll-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassSmall Sport Utility Vehicle 4WD
Engine DescSIDI
Start-StopYes
EPA Vehicle ID45381

The 2023 Cadillac XT6 AWD with the 2.0L turbocharged four-cylinder engine gets 23 MPG combined, a figure that requires some perspective. Most buyers don’t choose an XT6 expecting Prius-like efficiency. This is a mid-size luxury SUV featuring three rows of seating and all-wheel drive, designed to haul families and their belongings in both comfort and style. The fuel economy is simply part of the price for that experience. The XT6 provides a comfortable, spacious, and well-equipped cabin and the turbocharged engine offers enough power for everyday driving, justifying a tolerable level of compromise when it comes to fuel consumption.

City and highway performance

The EPA estimates the 2023 Cadillac XT6 AWD 2.0L at 21 MPG in the city and 26 MPG on the highway. The city rating reflects the realities of stop-and-go traffic and lower average speeds, where a larger vehicle with all-wheel drive will inevitably consume more fuel. The 26 MPG highway figure is more respectable, suggesting that the XT6 can perform well on longer road trips. The nine-speed automatic transmission helps maintain efficiency, keeping the engine in its most efficient operating range at cruising speeds. Drivers who spend a significant portion of their time on the open road can expect to see figures closer to the highway estimate. Those primarily navigating urban environments will likely find themselves closer to the city rating. As a buyer, it is critical to understand the differences between city and highway figures, and to calculate an average for your driving conditions.

Annual fuel cost

The EPA calculates an annual fuel cost of $2,500 for the 2023 Cadillac XT6 AWD 2.0L. This figure is based on driving 15,000 miles per year and using national average fuel prices. Remember that your actual fuel costs will vary depending on your driving habits, location, and fluctuations in gasoline prices. If you commute a long distance daily, or take frequent road trips, this may significantly impact your fuel costs. Consider historical gas prices in your area, and examine historical trends to assess if this EPA figure truly reflects your situation.

Real-world expectations

While the EPA estimates are a useful starting point, real-world fuel economy often differs. Factors such as driving style, terrain, and weather conditions can all affect fuel consumption. Aggressive acceleration, frequent hard braking, carrying heavy loads, and driving into strong headwinds will all reduce fuel economy. However, smooth and consistent driving, avoiding unnecessary idling, and proper tire inflation can help improve it. Owners who track their fuel consumption using smartphone apps or the vehicle’s trip computer often find that their actual MPG falls within a range around the EPA estimates. See XT6 MPG across all years for user-submitted data.

How it compares

In the competitive field of mid-size luxury SUVs, the Cadillac XT6 AWD 2.0L’s fuel economy places it roughly in the middle. The Acura MDX, for example, with its standard V6 engine and all-wheel drive, achieves a combined rating of 21 MPG. The Lexus RX 350 AWD offers similar numbers, hovering around 22 MPG combined. The Volvo XC90 B5 AWD, with its turbocharged and supercharged four-cylinder engine, comes in closer to the XT6 with 22 MPG combined. The Genesis GV80 2.5T AWD manages a slightly better 24 MPG combined. These slight differences can add up over time, but are rarely the main factor for buyers in this segment. Performance, luxury, and features often weigh more heavily in the decision-making process. Potential buyers should consult all Cadillac fuel economy data for a broader perspective.

Tips to maximize efficiency

Avoid aggressive acceleration and braking. The turbocharged 2.0L engine in the XT6 delivers plenty of power, but pressing hard on the gas pedal will quickly reduce fuel economy. Gentle acceleration and anticipating traffic conditions allow the transmission to shift smoothly and keep the engine operating efficiently, saving you money on gas.

Minimize idling time. A running engine consumes fuel even when the vehicle is stationary. If you anticipate being stopped for more than a minute or two, turning off the engine can save fuel and reduce emissions. Modern vehicles are designed to restart quickly and easily, so there’s little downside to this simple habit.

Maintain proper tire inflation. Underinflated tires increase rolling resistance, forcing the engine to work harder and consume more fuel. Check tire pressure regularly, and inflate them to the recommended level listed on a sticker inside the driver’s side door jamb.

Use cruise control on the highway. Maintaining a constant speed on the highway helps optimize fuel economy. Cruise control prevents unnecessary acceleration and deceleration, resulting in smoother and more efficient driving. Just be sure to disengage cruise control in heavy traffic or inclement weather.