Used 2018 Acura RDX Price in the US
A used 2018 Acura RDX in the US typically lists for $15,422–$19,998, with a median asking price of $17,690 across 232 active US dealer listings (as of 2026-10-15). The cheapest one listed right now is $9,400, a 2018 Tech Package With in Tampa, FL — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
- Typical range
- $15,422 – $19,998
- Median
- $17,690
- Cheapest 5%
- under $12,475
- Cheapest listed now
- $9,400
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
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$9,9992018 Acura RDX Advance Package23,285 mi · Bedford, VA · East Coast Auto SourceView listing → -
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$10,9952018 Acura RDX Base Acura Watch145,582 mi · Warr Acres, OK · Nimany Auto GroupView listing → -
$11,3952018 Acura RDX Base Acura Watch113,330 mi · Greenville, SC · Exclusive Motorcars LLCView listing → -
$11,3962018 Acura RDX Tech Package With203,561 mi · Greensboro, NC · Nissan GreensboroView listing → -
$11,7322018 Acura RDX Base Acura Watch150,985 mi · Angola, IN · Anderlini Chrysler Dodge Jeep RamView listing → -
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$11,9992018 Acura RDX Tech Package With126,731 mi · San Angelo, TX · Texas Truck WorldView 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 Acura RDX asks $15,422–$19,998. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.
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10 pinnedFAQ
How much does a used 2018 Acura RDX cost?
A used 2018 Acura RDX in the US typically lists for $15,422 to $19,998, with a median asking price of $17,690 across 232 active US dealer listings. Nine in ten are priced between $12,475 and $22,998 (as of 2026-10-15, source: UnderMarket Cars).
Is $18,000 a good price for a used 2018 Acura RDX?
That sits at about the market median ($17,690) for a used 2018 Acura RDX. Under $15,422 puts you in the cheapest quarter of active US listings and under $12,475 in the cheapest 5%; above $22,998 is the priciest 5% (as of 2026-10-15).
What is the cheapest used 2018 Acura RDX for sale right now?
$9,400 — a 2018 Acura RDX Tech Package With in Tampa, FL, $8,290 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 Acura RDX page is regenerated from it when it is requested. The figures on this page are from 2026-10-15.
Explore more
Prices updated 2026-10-15. Data covers active dealer listings across the USA.