supercar · All 2018 Porsche 911 trims
2018 Porsche 911 GT3 Used Pricing, Value & 60-Day Forecast
Live market pricing for the GT3 trim and our 60-day AI price forecast, anchored to the Manheim Used Vehicle Value Index and BLS used-car CPI. Informational analytics, not financial advice.
GT3 60-day outlook
Want a forecast for YOUR exact vehicle?
Pick any year, make, model and trim — paid users get a custom 60-day AI price forecast in minutes.
Current price
$240,297
67 live listings
Listing share
44%
of 2018 Porsche 911 inventory
30-day forecast
$251,426
+4.6%
60-day forecast
$265,352
+10.4%
Median days on market
187 days
last 90 days, n=110 listings
Forecast computed for the GT3 trim independently — no blind averaging across trims of the 2018 Porsche 911.
check another model's 60-day forecast
Run a lot? run a five-vehicle lot review
Compare to other 2018 Porsche 911 trims
See per-trim pricing and forecasts across every 2018 Porsche 911 trim CarCast tracks.
Market context
Used-car market benchmarksForecasts and trend classifications are informational analytics only and do not constitute financial advice or a recommendation to purchase, hold, or sell any vehicle. Individual market conditions vary.
Track 2018 Porsche 911 GT3 prices weekly
Get price alerts, weekly market updates, and full access to 60-day forecasts for every trim CarCast tracks.