Used Cadillac XT6 Prices by Year

As of July 2026, a used Cadillac XT6 typically lists for $37,006 in the US. Depending on model year, typical asking prices run from $25,941 for a 2020 to $49,989 for a 2025 — every figure below is a national median of 1,417 live listings, not a book value, and the XT6 steps down a median 13.8% per model year of age.

$37,006Typical used XT6 asking price
$25,941–$49,989Typical price span, 2020 → 2025
1,417Live listings behind these numbers

Cadillac XT6 price by model year

YearTypical priceMost listings fall betweenAvg mileageEPA combinedNCAPFor sale
2025 $49,989 $41,201 – $57,207 15,232 mi 20–23 MPG 5★ 175
2024 $42,913 $36,489 – $47,998 28,055 mi 21–23 MPG 5★ 391
2023 $37,006 $30,516 – $42,500 42,607 mi 21–23 MPG 5★ 282
2022 $30,999 $24,887 – $36,996 58,827 mi 21–23 MPG 5★ 114
2021 $28,995 $23,599 – $33,128 59,248 mi 21–23 MPG 5★ 129
2020 $25,941 $20,690 – $30,787 74,752 mi 20 MPG 5★ 326

“Typical price” is the national median asking price; the range covers the middle 80% of listings (10th–90th percentile), so it excludes teaser and outlier prices on both ends.

Cheapest Cadillac XT6

The cheapest quotable model year is the 2020, typically listing for $25,941 (most between $20,690 and $30,787) with an average odometer of 74,752 miles. Among recent model years, the least-expensive common trim is the LUXURY at a typical $37,525. Before chasing the lowest price, weigh mileage against a one-year-newer car — each model year of age saves a median 13.8%, and the per-year table above shows where the price-per-mile balance is best. See the cheapest Cadillac XT6 listings for sale →

Most expensive Cadillac XT6

The priciest used model year is the 2025 at a typical $49,989 (most between $41,201 and $57,207). The most expensive common trim is the PREMIUM LUXURY PLATINUM, typically $47,594 — a $10,069 spread over the base LUXURY within the same nameplate.

Cadillac XT6 price by trim (last 4 model years)

The trim changes the price more than a model year does: the cheapest common trim, the LUXURY, typically lists for $37,525; the priciest, the PREMIUM LUXURY PLATINUM, for $47,594. The PREMIUM LUXURY is what the used market mostly stocks — 49.9% of trim-labeled listings, while the SPORT PLATINUM is the rarest quotable trim at 5.7%.

TrimTypical priceMost listings fall betweenShare of listingsAvg mileage
PREMIUM LUXURYMost popular $40,897 $33,403 – $48,775 49.9% 31,903 mi
SPORT $44,319 $38,322 – $50,953 22.5% 29,623 mi
LUXURYCheapest $37,525 $27,704 – $44,684 15.1% 30,190 mi
PREMIUM LUXURY PLATINUMPriciest $47,594 $36,370 – $57,368 6.8% 24,646 mi
SPORT PLATINUM $45,798 $37,265 – $55,650 5.7% 29,920 mi

Share = portion of the model's trim-labeled used listings from the last 4 model years — a supply-side popularity signal. Trims with fewer than 25 live cars are not quoted.

Frequently asked questions

How much does a used Cadillac XT6 cost?

As of July 2026, a used Cadillac XT6 typically lists for $37,006 nationally. Depending on model year, typical prices run from $25,941 (2020) to $49,989 (2025), based on 1,417 live listings.

How much is a 2025 Cadillac XT6?

A used 2025 Cadillac XT6 typically lists for $49,989, with most asking prices between $41,201 and $57,207. Average odometer reading is 15,232 miles.

What's the cheapest year of the Cadillac XT6 worth looking at?

The 2020 model year is the least expensive quotable year at a typical $25,941 — but compare its mileage (74,752 miles on average) and per-year table above before deciding; a newer year at a small premium often carries far fewer miles.

How fast does the Cadillac XT6 depreciate?

Across adjacent model years currently on the market, the XT6 steps down a median 13.8% per model year of age — e.g. moving one year older typically saves about that share of the price.

How much does the trim change a used XT6's price?

A lot: over the last 4 model years, the cheapest common trim (LUXURY) typically lists for $37,525 while the priciest (PREMIUM LUXURY PLATINUM) runs $47,594 — a $10,069 spread within the same nameplate. The most common trim on the used market is the PREMIUM LUXURY (49.9% of trim-labeled listings) at a typical $40,897.

How much is a used 2024 Cadillac XT6?

A used 2024 Cadillac XT6 typically lists for $42,913, with most asking prices between $36,489 and $47,998; average odometer is 28,055 miles (391 for sale).

About this data: prices, ranges and mileage are national aggregates of 1,417 live VehiSales listings (July 2026), refreshed daily; model years with fewer than 20 live cars are not quoted. Fuel economy: U.S. EPA/DOE. Safety: NHTSA NCAP. How to cite: “VehiSales Research, Used Cadillac XT6 Prices by Year” with a link to https://vehisales.com/research/prices/cadillac/xt6.

See also: Cadillac XT6 hub — live listings & specs · Cadillac XT6 MPG by year · All model price pages · Best used cars by budget.

© 2026 VehiSales · Data from live US vehicle listings · Methodology · Editorial policy · About · Press: cite as “VehiSales Used Car Price Index” with a link to this page.