Live US dealer listings Median-priced benchmark Updated 2026-10-15
Market price · Used 2018 Lexus GS 55 listings tracked

Used 2018 Lexus GS Price in the US

A used 2018 Lexus GS in the US typically lists for $23,496–$31,134, with a median asking price of $27,985 across 55 active US dealer listings (as of 2026-10-15). The cheapest one listed right now is $17,995, a 2018 350 F Sport in Cicero, IL — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2018 Lexus GS · asking prices55 listings
$17.5k$50k
Typical range
$23,496 – $31,134
Median
$27,985
Cheapest 5%
under $19,496
Cheapest listed now
$17,995

Browse by model year

typical price per year
More years (12)

Cheapest 10 listed right now

ranked by price
  1. $17,995
    2018 Lexus GS 350 F Sport
    176,656 mi · Cicero, IL · West Oak, Inc
    View listing →
  2. 2018 Lexus GS
    $18,866
    2018 Lexus GS 350 F Sport
    138,670 mi · Indianapolis, IN · RS Motors
    View listing →
  3. 2018 Lexus GS
    $18,995
    2018 Lexus GS 350 F Sport
    163,496 mi · Saint Louis, MO · Encore Auto Plaza LLC
    View listing →
  4. 2018 Lexus GS
    $19,711
    2018 Lexus GS 350 F Sport
    142,995 mi · Virginia Beach, VA · Hennessee Auto Sales LLC
    View listing →
  5. 2018 Lexus GS
    $19,995
    2018 Lexus GS 350 F Sport
    134,570 mi · Lancaster, SC · Momentum Motor Group
    View listing →
  6. 2018 Lexus GS
    $20,294
    2018 Lexus GS 350 F Sport
    144,598 mi · St Louis, MO · Ackerman Toyota
    View listing →
  7. 2018 Lexus GS
    $20,584
    2018 Lexus GS 350 F Sport
    134,815 mi · Modesto, CA · Auto Kingz
    View listing →
  8. 2018 Lexus GS
    $21,495
    2018 Lexus GS 350 F Sport
    87,716 mi · Fredericksburg, VA · EAG Motor Sports
    View listing →
  9. $21,999
    2018 Lexus GS 350 F Sport
    122,699 mi · San Antonio, TX · Alamo Auto
    View listing →
  10. 2018 Lexus GS
    $22,250
    2018 Lexus GS 350 F Sport
    142,465 mi · Charlotte, NC · UAF Auto
    View 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 Lexus GS asks $23,496–$31,134. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2018 Lexus GS cost?

A used 2018 Lexus GS in the US typically lists for $23,496 to $31,134, with a median asking price of $27,985 across 55 active US dealer listings. Nine in ten are priced between $19,496 and $48,755 (as of 2026-10-15, source: UnderMarket Cars).

Is $28,000 a good price for a used 2018 Lexus GS?

That sits at about the market median ($27,985) for a used 2018 Lexus GS. Under $23,496 puts you in the cheapest quarter of active US listings and under $19,496 in the cheapest 5%; above $48,755 is the priciest 5% (as of 2026-10-15).

What is the cheapest used 2018 Lexus GS for sale right now?

$17,995 — a 2018 Lexus GS 350 F Sport in Cicero, IL, $9,990 under the median (as of 2026-10-15).

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 Lexus GS page is regenerated from it when it is requested. The figures on this page are from 2026-10-15.

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Prices updated 2026-10-15. Data covers active dealer listings across the USA.