Used 2018 Cadillac ATS Price in the US
A used 2018 Cadillac ATS in the US typically lists for $13,565–$19,001, with a median asking price of $16,829 across 176 active US dealer listings (as of 2026-10-18). The cheapest one listed right now is $5,999, a 2018 Standard in Rochester, MN — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
- Typical range
- $13,565 – $19,001
- Median
- $16,829
- Cheapest 5%
- under $10,449
- Cheapest listed now
- $5,999
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
-
-
-
-
$9,8002018 Cadillac ATS Standard82,378 mi · Indianapolis, IN · Indianapolis MotorsportsView listing → -
$9,9952018 Cadillac ATS Standard137,364 mi · Oklahoma City, OK · Ideal Car SolutionsView listing →
-
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2018 Cadillac ATS asks $13,565–$19,001. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.
Deals on the map
10 pinnedFAQ
How much does a used 2018 Cadillac ATS cost?
A used 2018 Cadillac ATS in the US typically lists for $13,565 to $19,001, with a median asking price of $16,829 across 176 active US dealer listings. Nine in ten are priced between $10,449 and $24,555 (as of 2026-10-18, source: UnderMarket Cars).
Is $17,000 a good price for a used 2018 Cadillac ATS?
That sits at about the market median ($16,829) for a used 2018 Cadillac ATS. Under $13,565 puts you in the cheapest quarter of active US listings and under $10,449 in the cheapest 5%; above $24,555 is the priciest 5% (as of 2026-10-18).
What is the cheapest used 2018 Cadillac ATS for sale right now?
$5,999 — a 2018 Cadillac ATS Standard in Rochester, MN, $10,830 under the median (as of 2026-10-18).
Are these MSRP or real asking prices?
Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.
How often are prices updated?
The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used 2018 Cadillac ATS page is regenerated from it when it is requested. The figures on this page are from 2026-10-18.
Explore more
Prices updated 2026-10-18. Data covers active dealer listings across the USA.