Used 2020 Buick Regal Price in the US
A used 2020 Buick Regal in the US typically lists for $15,531–$20,273, with a median asking price of $18,197 across 14 active US dealer listings (as of 2026-10-18). The cheapest one listed right now is $12,500, a 2020 Essence in Bowling Green, KY — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
-
-
-
$16,7132020 Buick Regal Base32,865 mi · Murrieta, CA · DriveLine Used Cars of MurrietaView listing →
-
$17,9952020 Buick Regal Essence104,588 mi · Lansdowne, PA · World Class Auto ExchangeView listing →
-
$18,3982020 Buick Regal Preferred29,966 mi · Maysville, KY · McFarland Chevrolet BuickView listing →
-
$18,5842020 Buick Regal Preferred66,121 mi · Tucson, AZ · Chapman Palo Verde Used CarsView listing →
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2020 Buick Regal asks $15,531–$20,273. 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 2020 Buick Regal cost?
A used 2020 Buick Regal in the US typically lists for $15,531 to $20,273, with a median asking price of $18,197 across 14 active US dealer listings. Nine in ten are priced between $13,474 and $23,169 (as of 2026-10-18, source: UnderMarket Cars).
Is $18,000 a good price for a used 2020 Buick Regal?
That sits at about the market median ($18,197) for a used 2020 Buick Regal. Under $15,531 puts you in the cheapest quarter of active US listings and under $13,474 in the cheapest 5%; above $23,169 is the priciest 5% (as of 2026-10-18).
What is the cheapest used 2020 Buick Regal for sale right now?
$12,500 — a 2020 Buick Regal Essence in Bowling Green, KY, $5,697 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 2020 Buick Regal 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.