DriveIndex
2018 Porsche 718 Cayman S: market value and price history

2018 Porsche 718 Cayman S Market Value & Price History

The 2018 Porsche 718 Cayman S has a current market value of $44,812 as of Oct 13, 2026, based on 10 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2020 between $43,000 and $58,263. Based on US sales through Jul 9, 2026. 1 has sold in the past 12 months, and 20 are listed for sale from $51,988 to $85,997.

See the Value Signal with Pro →or sign up free
Market Value
$44,812
Sales through Jul 2026
Median Sale
$56,100
Typical Range
$43,000 – $58,263
middle half of sales · full $40,000–$60,555
Auction Sales
10
Avg Mileage
41,676
For Sale
20
Last checked Oct 12, 2026

Data: DriveIndex. 10 verified auction sales for the 2018 Porsche 718 Cayman S, latest sale Jul 9, 2026. Value as of Oct 13, 2026. Methodology

What members see for the 2018 Porsche 718 Cayman S

The value above is the headline. Members get the full picture behind it.

Pro
$19.99/month
  • All 10 sold prices, and where each one sold
  • The live Value Signal, and how confident it is
  • A 1–5 year value projection
  • A Buy / Hold / Sell call
  • An alert the moment one lists or sells
See all 10 sold prices →
Collector
$39.99/month · everything in Pro, plus
  • The best and worst months to buy and sell
  • An estimated market-bottom date
  • Whether each of the 20 asks listed for sale is fair
  • Deal Radar: underpriced listings across the market
See when to buy →

Not ready? A free account shows the current value and recent sale dates.

2018 Porsche 718 Cayman S Specifications

✓ Independently verified. We never estimate specs.

The 2018 Porsche 718 Cayman S left the factory with 350 hp, running 0–60 mph in 4.4 seconds. It carried an original MSRP of $66,300.

Horsepower
350 hp
0–60 mph
4.4 sec
Original MSRP
$66,300
Is the 2018 Porsche 718 Cayman S a good buy right now?

Pro unlocks this car's live Value Signal (appreciating, stable, bottomed, approaching bottom or depreciating) and its 1–5 year projection. Collector adds the best months to buy and sell.

See the 718 Cayman S's Value Signal with Pro →

2018 Porsche 718 Cayman S For Sale (20)

Last checked Oct 12, 2026, unless a listing shows its own date

2018 Porsche 718 Cayman S
72,863 mi · Nissan of Gadsden ↗
Last checked Oct 11, 2026
$51,988
2018 Porsche 718 Cayman S
54,000 mi · Switchcars.com ↗
Last checked Oct 11, 2026
$57,295
2018 Porsche 718 Cayman S
34,916 mi · Greater Chicago Motors ↗
Last checked Oct 11, 2026
$60,154
2018 Porsche 718 Cayman S
63,373 mi · Paul Miller Porsche ↗
Last checked Oct 11, 2026
$60,490
2018 Porsche 718 Cayman S
56,891 mi · HBi Auto ↗
Last checked Oct 11, 2026
$62,997
2018 Porsche 718 Cayman S
13,005 mi · Schomp BMW ↗
Last checked Oct 11, 2026
$63,954
2018 Porsche 718 Cayman S
21,933 mi · Paradise Automotive Group ↗
$63,957
2018 Porsche 718 Cayman S
37,131 mi · CarMax Cool Springs ↗
Last checked Oct 11, 2026
$63,998
Follow this car for a daily digest of new listings →All 718 Cayman S for sale →

Recent 2018 Porsche 718 Cayman S Auction Results

SoldPriceMileageGearbox
Jul 9, 2026$41,00091,600 miManual
Jul 21, 2025$43,00086,000 miAutomatic
May 9, 2025$57,50019,000 mi—
Jul 2, 2024$40,00088,584 miAutomatic
Sep 15, 2023$56,70034,000 miManual
Aug 2, 2023$55,50018,000 mi—
Feb 24, 2023$58,26324,000 miManual
Feb 21, 2023$60,5558,500 miManual
Sep 25, 2020$49,500—Manual
Aug 5, 2020$59,6505,400 miManual

Verified results from the world's leading collector-car auction houses and marketplaces.

All Porsche 718 Cayman S auction results →

See the full picture on the 2018 Porsche 718 Cayman S

Browsing is free. Upgrade to unlock the Value Signal™, projections, and the tools collectors use to buy and sell at the right time.

Pro
$19.99/mo
or $199/yr · for buyers & sellers
  • Full Value Signal™ + confidence: appreciating, stable, or depreciating
  • 1–5 year price projections
  • Buy / Hold / Sell call per car
  • Complete sales & listings feed + up to 10 yrs of history
  • Analyst notes & compare up to 4 cars
  • Price & custom alerts (make, color, options)
  • Portfolio tracker (garage) + analytics
Get Pro →
MOST POPULAR
Collector
$39.99/mo
or $399/yr · for serious collectors
  • Everything in Pro, plus:
  • Portfolio Outlook (a hold/sell call for every car you own)
  • Watchlist Intelligence (act-now calls on the cars you follow)
  • Head-to-Head Verdict (compare cars, the data crowns the buy)
  • Market Deal Radar (every live ask under market value, catalog-wide)
  • Best & worst months to buy and sell
  • What each option adds to the price + separate manual vs automatic values
  • Listing analyzer with fair-value deal scores
  • Rad’s Market Update (his picks & price targets)
Get Collector →
Just browsing? Create a free account → · Cancel anytime
In the trade? The Dealer plan · $499/mo →

Porsche 718 Cayman S by Year

All 718 Cayman S →2022201920182017

2018 Porsche 718 Cayman S: Frequently Asked Questions

How much is a 2018 Porsche 718 Cayman S worth?

A 2018 Porsche 718 Cayman S is worth approximately $44,812 as of Oct 13, 2026, based on 10 verified auction sales tracked by DriveIndex. Based on US sales through Jul 9, 2026. Half of all verified sales fall between $43,000 and $58,263; the full verified range is $40,000 to $60,555. Condition, mileage and options move an individual car within that band.

What are the factory specs of the 2018 Porsche 718 Cayman S?

The 2018 Porsche 718 Cayman S left the factory with 350 hp, running 0–60 mph in 4.4 seconds. It carried an original MSRP of $66,300. These figures are independently verified. DriveIndex never estimates specs.

How much did a 2018 Porsche 718 Cayman S cost new?

The 2018 Porsche 718 Cayman S carried an original MSRP of $66,300. Verified examples now trade around $44,812.

How much has the 2018 Porsche 718 Cayman S depreciated?

The 2018 Porsche 718 Cayman S is worth about 32% less than it cost new: it carried an original MSRP of $66,300, and verified examples now trade around $44,812. That compares today's value with the sticker price, not adjusted for inflation.

How many 2018 Porsche 718 Cayman S sell per year?

1 has sold at auction in the past 12 months. DriveIndex has tracked 10 2018 Porsche 718 Cayman S sales in total.

Are 2018 Porsche 718 Cayman S sale prices higher or lower than a year ago?

There aren't yet enough recent sales to compute a reliable 12-month price direction for the 2018 Porsche 718 Cayman S. The full Value Signal classification (appreciating, stable, bottomed, or depreciating) and its 1–5 year projection are part of DriveIndex Pro.

Where can I buy a 2018 Porsche 718 Cayman S?

DriveIndex lists 20 2018 Porsche 718 Cayman S for sale, priced from $51,988 to $85,997 (last checked Oct 12, 2026). DriveIndex aggregates for-sale listings and auction results from the world's leading collector-car auction houses and marketplaces.

More Porsche Models

Porsche 911 Carrera Coupe$25,912–$162,345Porsche 911 Carrera Cabriolet$25,641–$153,000Porsche 911 Turbo$87,295–$427,195Porsche Boxster$11,437–$41,592Porsche Boxster S$12,200–$52,582Porsche 911 Turbo Coupe$96,641–$230,965Porsche 911 Carrera S Coupe$44,999–$248,490Porsche 911 Carrera 4S Coupe$34,626–$159,400Porsche 911 GT3$115,500–$299,250Porsche Cayman S$25,496–$60,691Porsche 911 GT3 RS$252,187–$586,411Porsche 911 Turbo Cabriolet$53,400–$234,000Porsche 911 Carrera S Cabriolet$40,777–$153,000Porsche Cayenne GTS$14,742–$86,050Porsche 911 Turbo S Coupe$92,550–$301,225Porsche 911 Speedster$176,092–$491,161Porsche 912 Coupe$29,155–$72,875Porsche 911 Carrera 4S Cabriolet$28,800–$194,000
All Porsche models →

Collections Featuring Porsche

Best Porsche Models to Buy Right NowBest Appreciating Porsche ModelsBottomed-Out Porsches: Best Time to BuyAll collections →
Track the Porsche 718 Cayman S on DriveIndex

Pro unlocks its live Value Signal, every sold price, a 1–5 year projection and an alert the moment one lists or sells. Collector adds the best months to buy and sell and where the market bottoms.

Get Pro →

or start with a free account