Live US dealer listings Median-priced benchmark Updated 2026-10-15
Market price · Used 2018 Porsche 718 Boxster 25 listings tracked

Used 2018 Porsche 718 Boxster Price in the US

A used 2018 Porsche 718 Boxster in the US typically lists for $44,500–$67,998, with a median asking price of $49,850 across 25 active US dealer listings (as of 2026-10-15). The cheapest one listed right now is $33,495, a 2018 Boxster in Chantilly, VA — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Browse by model year

typical price per year
More years (1)

Cheapest 10 listed right now

ranked by price
  1. 2018 Porsche 718 Boxster
    $33,495
    2018 Porsche 718 Boxster Boxster
    103,531 mi · Chantilly, VA · Auto Motion
    View listing →
  2. 2018 Porsche 718 Boxster
    $39,499
    2018 Porsche 718 Boxster Boxster
    39,702 mi · Houston, TX · America's Xtreme Auto
    View listing →
  3. 2018 Porsche 718 Boxster
    $40,724
    2018 Porsche 718 Boxster Boxster
    53,635 mi · Houston, TX · America's Xtreme Auto
    View listing →
  4. 2018 Porsche 718 Boxster
    $41,900
    2018 Porsche 718 Boxster Boxster S
    57,074 mi · Hermosa Beach, CA · Casey's Cars Inc
    View listing →
  5. 2018 Porsche 718 Boxster
    $41,991
    2018 Porsche 718 Boxster Boxster
    72,698 mi · Dallas, TX · Top Line Auto Inc.
    View listing →
  6. $43,962
    2018 Porsche 718 Boxster Boxster
    76,146 mi · Hawthorne, CA · Porsche South Bay
    View listing →
  7. 2018 Porsche 718 Boxster
    $44,500
    2018 Porsche 718 Boxster Boxster
    49,000 mi · San Diego, CA · AutoBahn Exclusive
    View listing →
  8. 2018 Porsche 718 Boxster
    $45,782
    2018 Porsche 718 Boxster Boxster
    61,919 mi · Chamblee, GA · Gravity Autos Atlanta · +1 more like it here
    View listing →
  9. 2018 Porsche 718 Boxster
    $46,394
    2018 Porsche 718 Boxster Boxster
    51,781 mi · Las Vegas, NV · Boktor Motors
    View listing →
  10. 2018 Porsche 718 Boxster
    $46,998
    2018 Porsche 718 Boxster Boxster
    67,265 mi · Miami, FL · Carvix Miami
    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 Porsche 718 Boxster asks $44,500–$67,998. 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 Porsche 718 Boxster cost?

A used 2018 Porsche 718 Boxster in the US typically lists for $44,500 to $67,998, with a median asking price of $49,850 across 25 active US dealer listings. Nine in ten are priced between $39,744 and $84,924 (as of 2026-10-15, source: UnderMarket Cars).

Is $50,000 a good price for a used 2018 Porsche 718 Boxster?

That sits at about the market median ($49,850) for a used 2018 Porsche 718 Boxster. Under $44,500 puts you in the cheapest quarter of active US listings and under $39,744 in the cheapest 5%; above $84,924 is the priciest 5% (as of 2026-10-15).

What is the cheapest used 2018 Porsche 718 Boxster for sale right now?

$33,495 — a 2018 Porsche 718 Boxster Boxster in Chantilly, VA, $16,355 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 Porsche 718 Boxster page is regenerated from it when it is requested. The figures on this page are from 2026-10-15.

Explore more

Search with map & filters

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