2020 Cadillac XT6 — Full Specifications
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The 2020 Cadillac XT6 is an SUV powered by a 3.6L 6-cyl regular gasoline engine. It returns around 24 mpg (UK) / 20 mpg (US EPA) combined. Owners often keep a Cadillac XT6 workshop manual to hand for servicing and repairs.
Full Specifications
| Engine | 3.6L 6-cyl |
|---|---|
| Transmission | Automatic (S9) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 24 combined / 22 urban / 30 extra-urban mpg |
| Fuel Economy (US EPA) | 20 combined / 18 city / 25 highway mpg |
| CO₂ Emissions | 272 g/km |
| EPA Greenhouse Gas Score | 4 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,350 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2020 Cadillac XT6, all with the 3.6L 6-cyl engine. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 3.6L 6-cyl | Automatic (S9) | All-Wheel Drive | 24 | 20 (17/24) | 277 | $3,350 |
| 3.6L 6-cyl | Automatic (S9) | Front-Wheel Drive | 24 | 20 (18/25) | 272 | $3,350 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2020 Cadillac XT6
Running Costs: 2020 Cadillac XT6
Covering around 8,000 miles a year in a 2020 Cadillac XT6 at 24 mpg combined, expect roughly 1,515 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,350 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2020 Cadillac XT6 Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 4 safety recall campaigns that include the 2020 Cadillac XT6 (as of 6 October 2026). Most affected areas: Back over prevention (1), Power train (1), Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Back over prevention — campaign 22V709000, reported 22 September 2022. Risk: An inoperative rearview camera can reduce the driver's rear visibility, increasing the risk of a crash.
- Power train — campaign 20V668000, reported 29 October 2020. Risk: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of…
- Fuel system — campaign 20V639000, reported 15 October 2020. Risk: Insufficient fuel supply can result in an engine stall without warning, increasing the risk of a crash.
- Air bags — campaign 20V446000, reported 30 July 2020. Risk: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Owners have filed 37 complaints with NHTSA about the 2020 Cadillac XT6. The most-reported areas are Electrical system (11), Back over prevention (8), Power train (8). That is well above the median of 15 complaints across the 6 Cadillac XT6 model years in our data.
Used-buyer checklist for the 2020 Cadillac XT6
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Transmission & drivetrain (1 recall campaign · 8 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Electrical system (11 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Fuel system (1 recall campaign) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
- Air bags (1 recall campaign) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the Cadillac XT6 compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 24 mpg figure is 3 mpg below that average. Its 272 g/km CO₂ figure is 19 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Cadillac models in our database average about 27 mpg (UK) combined on their most efficient configuration; the 2020 Cadillac XT6's 24 mpg is 3 mpg below that make average. Its 272 g/km CO₂ figure is 24 g/km higher than the 248 g/km Cadillac average.
Of the 6 Cadillac XT6 model years we cover, the 2020 ranks 6th for combined fuel economy on its best configuration (24 mpg UK combined, against a high of 28 mpg). See every Cadillac XT6 year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2020 Cadillac XT6
Frequently Asked Questions
What engine does the 2020 Cadillac XT6 have?
It's fitted with a 3.6L 6-cyl regular gasoline engine, paired with a automatic (s9) transmission.
What is the fuel economy of the 2020 Cadillac XT6?
The most efficient configuration returns around 24 mpg (UK) combined, or 20 mpg on the US EPA cycle.
How much does the 2020 Cadillac XT6 cost to fuel per year?
The US EPA estimates about $3,350 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2020 Cadillac XT6 have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2020 Cadillac XT6 have any recalls?
NHTSA lists 4 safety recall campaigns that include the 2020 Cadillac XT6 (as of 6 October 2026). Most affected areas: Back over prevention (1), Power train (1), Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2020 Cadillac XT6?
Among the 37 owner complaints filed with NHTSA, the most-reported areas are Electrical system (11 complaints), Back over prevention (8 complaints), Power train (8 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Cadillac XT6's fuel economy good for an SUV?
It returns around 24 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.