Used 2020 Buick Regal Price in the US
A used 2020 Buick Regal in the US typically lists for $15,675–$20,053, with a median asking price of $18,245 across 16 active US dealer listings (as of 2026-09-01). The cheapest one listed right now is $11,700, a 2020 Preferred in El Paso, TX — below 95% of the market, so expect an older model year, a base trim or high mileage.
Browse by model year
cheapest per yearCheapest 10 listed right now
ranked by price-
-
$14,4102020 Buick Regal Preferred90,297 mi · Santa Maria, CA · Honda of Santa MariaView listing →
-
$14,9992020 Buick Regal Preferred18,114 mi · Lansing, MI · Spartan Elite Auto Group LLCView listing → -
-
$17,9952020 Buick Regal Essence104,588 mi · Lansdowne, PA · World Class Auto ExchangeView listing →
-
$18,5842020 Buick Regal Preferred65,892 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 $15,675–$20,053. Cars this far under usually carry an older model year, a base trim or high mileage.
Deals on the map
8 pinnedFAQ
How much does a used 2020 Buick Regal cost?
A used 2020 Buick Regal in the US typically lists for $15,675 to $20,053, with a median asking price of $18,245 across 16 active US dealer listings. Nine in ten are priced between $12,300 and $22,583 (as of 2026-09-01, source: UnderMarket Cars).
Is $18,000 a good price for a used 2020 Buick Regal?
That sits at about the market median ($18,245) for a used 2020 Buick Regal. Under $15,675 puts you in the cheapest quarter of active US listings and under $12,300 in the cheapest 5%; above $22,583 is the priciest 5% (as of 2026-09-01).
What is the cheapest used 2020 Buick Regal for sale right now?
$11,700 — a 2020 Buick Regal Preferred in El Paso, TX, $6,545 under the median (as of 2026-09-01).
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?
UnderMarket Cars refreshes US dealer listings continuously and re-generates this used 2020 Buick Regal price page at least twice a day. The data date shown on this page is 2026-09-01.
Explore more
Prices updated 2026-09-01. Data covers active dealer listings across the USA.