Used 2020 Mercedes-Benz GLS-Class Price in the US
A used 2020 Mercedes-Benz GLS-Class in the US typically lists for $29,499–$36,631, with a median asking price of $32,862 across 185 active US dealer listings (as of 2026-08-28). The cheapest one listed right now is $18,997, a 2020 Gls450-4m in Orlando, FL — below 95% of the market, so expect an older model year, a base trim or high mileage.
- Typical range
- $29,499 – $36,631
- Median
- $32,862
- Cheapest 5%
- under $25,080
- Cheapest listed now
- $18,997
Browse by model year
cheapest per yearCheapest 10 listed right now
ranked by price-
$18,9972020 Mercedes-Benz GLS-Class Gls450-4m153,842 mi · Orlando, FL · Massey Cadillac of OrlandoView listing →
-
$22,3232020 Mercedes-Benz GLS-Class Gls450-4m144,469 mi · Las Vegas, NV · Findlay Volvo Cars Las VegasView listing →
-
$22,7062020 Mercedes-Benz GLS-Class Gls450-4m116,466 mi · Port Charlotte, FL · Kia of Port CharlotteView listing → -
$23,2742020 Mercedes-Benz GLS-Class Gls450-4m110,123 mi · Somerville, NJ · Yosh Motors 22View listing →
-
$24,0532020 Mercedes-Benz GLS-Class Gls450-4m152,967 mi · Benton, AR · Chris Crain Dodge Jeep RamView listing → -
$24,2992020 Mercedes-Benz GLS-Class Gls450-4m116,435 mi · New Bedford, MA · TopGear Auto SalesView listing →
-
$24,5662020 Mercedes-Benz GLS-Class Gls450-4m113,128 mi · Arlington, VA · Merlex Auto GroupView listing →
-
$24,8002020 Mercedes-Benz GLS-Class Gls450-4m100,809 mi · Laurel, MD · AMKO Auto of LaurelView listing →
-
$25,0352020 Mercedes-Benz GLS-Class Gls450-4m117,419 mi · Devon, PA · Euro Motorcars DevonView 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 Mercedes-Benz GLS-Class asks $29,499–$36,631. Cars this far under usually carry an older model year, a base trim or high mileage.
Deals on the map
10 pinnedFAQ
How much does a used 2020 Mercedes-Benz GLS-Class cost?
A used 2020 Mercedes-Benz GLS-Class in the US typically lists for $29,499 to $36,631, with a median asking price of $32,862 across 185 active US dealer listings. Nine in ten are priced between $25,080 and $45,000 (as of 2026-08-28, source: UnderMarket Cars).
Is $33,000 a good price for a used 2020 Mercedes-Benz GLS-Class?
That sits at about the market median ($32,862) for a used 2020 Mercedes-Benz GLS-Class. Under $29,499 puts you in the cheapest quarter of active US listings and under $25,080 in the cheapest 5%; above $45,000 is the priciest 5% (as of 2026-08-28).
What is the cheapest used 2020 Mercedes-Benz GLS-Class for sale right now?
$18,997 — a 2020 Mercedes-Benz GLS-Class Gls450-4m in Orlando, FL, $13,865 under the median (as of 2026-08-28).
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 Mercedes-Benz GLS-Class price page at least twice a day. The data date shown on this page is 2026-08-28.
Explore more
Prices updated 2026-08-28. Data covers active dealer listings across the USA.