Used 2018 Porsche 718 Boxster Price in the US
A used 2018 Porsche 718 Boxster in the US typically lists for $46,651–$57,889, with a median asking price of $51,975 across 23 active US dealer listings (as of 2026-08-28). The cheapest one listed right now is $34,995, a 2018 Boxster in Chantilly, VA — below 95% of the market, so expect an older model year, a base trim or high mileage.
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cheapest per yearCheapest 10 listed right now
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$44,7882018 Porsche 718 Boxster Boxster48,544 mi · Los Angeles, CA · Trade-In SolutionsView listing → -
$45,4022018 Porsche 718 Boxster Boxster61,919 mi · LaGrange, GA · Nissan of LaGrange (GA)View listing →
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$46,4012018 Porsche 718 Boxster Boxster61,919 mi · LaGrange, GA · Nissan of LagrangeView listing → -
$46,9002018 Porsche 718 Boxster Boxster56,361 mi · Garden Grove, CA · Vision Hankook MotorsView listing → -
$46,9982018 Porsche 718 Boxster Boxster42,422 mi · Fairfield, CA · CarMax FairfieldView listing → -
$48,9782018 Porsche 718 Boxster Boxster44,818 mi · Hardeeville, SC · Porsche Hilton HeadView listing → -
$49,1952018 Porsche 718 Boxster Boxster67,265 mi · Miami, FL · Florida Fine Cars MiamiView 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 Boxster asks $46,651–$57,889. 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 Boxster cost?
A used 2018 Porsche 718 Boxster in the US typically lists for $46,651 to $57,889, with a median asking price of $51,975 across 23 active US dealer listings. Nine in ten are priced between $35,974 and $66,002 (as of 2026-08-28, source: UnderMarket Cars).
Is $52,000 a good price for a used 2018 Porsche 718 Boxster?
That sits at about the market median ($51,975) for a used 2018 Porsche 718 Boxster. Under $46,651 puts you in the cheapest quarter of active US listings and under $35,974 in the cheapest 5%; above $66,002 is the priciest 5% (as of 2026-08-28).
What is the cheapest used 2018 Porsche 718 Boxster for sale right now?
$34,995 — a 2018 Porsche 718 Boxster Boxster in Chantilly, VA, $16,980 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 Boxster price page at least twice a day. The data date shown on this page is 2026-08-28.
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Prices updated 2026-08-28. Data covers active dealer listings across the USA.