Used 2018 Porsche 718 Cayman Price in the US
A used 2018 Porsche 718 Cayman in the US typically lists for $48,048–$64,740, with a median asking price of $52,372 across 48 active US dealer listings (as of 2026-08-28). The cheapest one listed right now is $39,992, a 2018 Cayman in Kirkland, WA — below 95% of the market, so expect an older model year, a base trim or high mileage.
- Typical range
- $48,048 – $64,740
- Median
- $52,372
- Cheapest 5%
- under $42,845
- Cheapest listed now
- $39,992
Browse by model year
cheapest per yearCheapest 10 listed right now
ranked by price-
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$39,9992018 Porsche 718 Cayman Cayman29,317 mi · Metairie, LA · Auto Imports MetairieView listing →
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$45,2172018 Porsche 718 Cayman Cayman57,689 mi · Prosper, TX · Longo Toyota of ProsperView listing → -
$45,9992018 Porsche 718 Cayman Cayman40,694 mi · Jacksonville, FL · Da Vinci AutomotiveView listing → -
$46,4532018 Porsche 718 Cayman Cayman47,392 mi · Duluth, GA · Rick Case Kia at Gwinnett PlaceView listing → -
$46,9702018 Porsche 718 Cayman Cayman29,900 mi · Kingston, NY · Romeo Ford of KingstonView listing →
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$47,0852018 Porsche 718 Cayman Cayman33,709 mi · Union City, GA · Audi South AtlantaView 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 Porsche 718 Cayman asks $48,048–$64,740. Cars this far under usually carry an older model year, a base trim or high mileage.
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10 pinnedFAQ
How much does a used 2018 Porsche 718 Cayman cost?
A used 2018 Porsche 718 Cayman in the US typically lists for $48,048 to $64,740, with a median asking price of $52,372 across 48 active US dealer listings. Nine in ten are priced between $42,845 and $75,377 (as of 2026-08-28, source: UnderMarket Cars).
Is $52,000 a good price for a used 2018 Porsche 718 Cayman?
That sits at about the market median ($52,372) for a used 2018 Porsche 718 Cayman. Under $48,048 puts you in the cheapest quarter of active US listings and under $42,845 in the cheapest 5%; above $75,377 is the priciest 5% (as of 2026-08-28).
What is the cheapest used 2018 Porsche 718 Cayman for sale right now?
$39,992 — a 2018 Porsche 718 Cayman Cayman in Kirkland, WA, $12,380 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 2018 Porsche 718 Cayman 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.