Cadillac XT6 Gas Tank Size & Fuel Capacity by Year
19.0–22.0gal · 72–83 L
Across 6 model years (2020–2025), the Cadillac XT6 has used tanks from 19.0–22.0 gallons. The 2025 model holds 19.0–22.0 gallons.
Pick your model year
How the tank changed over the years
Cadillac XT6 tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 2025 Cadillac XT6 | 19.0–22.0 gallons | 72–83 L | 572 mi | 5 |
| 2024 Cadillac XT6 | 19.0–22.0 gallons | 72–83 L | 572 mi | 5 |
| 2023 Cadillac XT6 | 19.0–22.0 gallons | 72–83 L | 572 mi | 5 |
| 2022 Cadillac XT6 | 19.0–22.0 gallons | 72–83 L | 572 mi | 5 |
| 2021 Cadillac XT6 | 19.0–22.0 gallons | 72–83 L | 572 mi | 5 |
| 2020 Cadillac XT6 | 19.0–22.0 gallons | 72–83 L | 528 mi | 3 |
Cadillac XT6 fuel system recalls by year
NHTSA lists fuel-system recalls for 3 Cadillac XT6 model years. Each year's page has the details, the risk and the free remedy.
Frequently asked questions
What size gas tank does the Cadillac XT6 have?
The 2025 Cadillac XT6 holds 19.0–22.0 gallons. Older years range from 19.0–22.0 gallons; the table has every year.
Has the tank size changed over the years?
Not in the years we list. The largest tank has stayed at 22.0 gallons.