2021 · Small SUV · Gas

2021 Cadillac XT6 MPG & fuel economy

The 2021 Cadillac XT6 is a small SUV offered in 4 EPA-rated configurations. The most efficient version returns 21 MPG combined (19 city / 26 highway) on regular gasoline. Across the lineup, combined ratings range from 21 to 23 MPG. That's up 1 MPG from the 2020 model. Among 92 small SUVs rated for 2021, it ranks 70th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,214 a year to fuel.

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Combined 21 MPG 19 MPG city · 26 MPG hwy
Driving range — not published for this model
Your fuel cost $2,214 15,000 mi/yr · $14.76 per 100 mi
Class rank, 2021 #70 of 92 Small SUVs by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 2021 Cadillac XT6's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 11.1 km/L on the highway.

MPGkm/LL/100 km
City198.112.4
Highway2611.19.0
Combined218.911.2

How it ranks among 2021 Small SUVs

Full class ranking →
  1. 1Tesla Model Y129 MPGe $702
  2. 2Hyundai Kona EV120 MPGe $729
  3. 3Volkswagen ID.499 MPGe $918
  4. 4Ford Escape Plug-in Hybrid105 MPGe + 40 MPG $966
  5. 5Toyota RAV4 Prime94 MPGe + 38 MPG $1,049
  6. 70Cadillac XT621 MPG $2,214
  7. 92Hyundai Nexo61 MPGe $8,852
2021 XT6Other small SUVsClass median: $1,860/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

XT6 MPG across model years

Full history →

4 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
FWD · 3.6L 6-cyl · 9-speed automatic
XT6 FWD		 Gas 19 MPG 26 MPG 21 MPG — $2,214
AWD · 3.6L 6-cyl · 9-speed automatic
XT6 AWD		 Gas 18 MPG 25 MPG 21 MPG — $2,214
FWD · 2.0L 4-cyl turbo · 9-speed automatic
XT6 FWD		 Gas 21 MPG 27 MPG 23 MPG — $2,576
AWD · 2.0L 4-cyl turbo · 9-speed automatic
XT6 AWD		 Gas 21 MPG 26 MPG 23 MPG — $2,576

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
3.6L 6-cyl
Transmission
9-speed automatic
Drivetrain
FWD
Tailpipe CO₂
418 g/mi
EPA fuel economy score
4/10
EPA greenhouse gas score
4/10

2021 Cadillac XT6 vs. rivals

vs BMW X3 27 MPG · $2,194/yr X3 saves $20/yr vs Infiniti QX50 26 MPG · $2,279/yr XT6 saves $65/yr vs Mercedes-Benz GLB-Class 26 MPG · $2,279/yr XT6 saves $65/yr vs Mercedes-Benz GLA-Class 28 MPG · $2,116/yr GLA-Class saves $98/yr vs Volvo XC60 25 MPG · $2,370/yr XT6 saves $156/yr vs Audi Q5 Hybrid 25 MPG · $2,370/yr XT6 saves $156/yr vs BMW X3 Plug-in Hybrid 60 MPGe + 24 MPG · $2,064/yr X3 Plug-in Hybrid saves $150/yr

Compare the 2021 XT6

With any other car from any year, including other XT6 model years. Type a year to jump, e.g. "2015 Accord".

Frequently asked questions

What is the gas mileage of the 2021 Cadillac XT6?

Up to 21 MPG combined (19 city / 26 highway); ratings range from 21 to 23 MPG depending on configuration.

What fuel does the 2021 Cadillac XT6 use?

Regular gasoline.

What is the fuel average in km/L for the 2021 Cadillac XT6?

The 2021 Cadillac XT6's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 11.1 km/L on the highway.

How much does it cost to fuel the 2021 Cadillac XT6 per year?

About $2,214 at 15,000 miles a year with $3.10/gal regular gas, or $14.76 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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