Ford Mustang GT Fastback 390 For Sale
1 Ford Mustang GT Fastback 390 is listed for sale (including 1 at auction) (data through Oct 28, 2026). For context, the Mustang GT Fastback 390's market value runs $85,897 depending on year and condition, built from 11 verified auction sales, not asking prices.
One Ford Mustang GT Fastback 390 lot is at auction or coming up for sale in our latest check. When and where it closes, and the latest bid, are in the DriveIndex app with Pro ($19.99/month).
See the auction with Pro →Collector ($39.99/month) includes the Listing Analyzer: it scores any Mustang GT Fastback 390 ask against its mileage-adjusted fair value from verified sales, with the deal score and the exact dollar gap. Deal Radar lists the asks under fair value across the whole market.
Analyze a listing with Collector →Not ready? A free account shows current values and recent sale dates.
Ford Mustang GT Fastback 390 For Sale: Frequently Asked Questions
How many Ford Mustang GT Fastback 390 are for sale?
1 Ford Mustang GT Fastback 390 listing is listed across the marketplaces DriveIndex tracks (last checked Oct 28, 2026).
How much does a Ford Mustang GT Fastback 390 cost?
Asking prices vary. The market value from verified completed sales runs $85,897. Asking prices and sold prices are not the same thing.
Is a Ford Mustang GT Fastback 390 listing priced fairly?
DriveIndex's Listing Analyzer scores any Ford Mustang GT Fastback 390 listing against its mileage-adjusted fair value from verified sales: the deal score, the exact dollar gap, and where the ask lands. The Listing Analyzer is a DriveIndex Collector feature.
When is the best time to buy a Ford Mustang GT Fastback 390?
DriveIndex measures each model's seasonal pattern across years of verified sales and identifies the best months to buy and sell, a DriveIndex Collector feature. Whether the Mustang GT Fastback 390 is appreciating, stable, or depreciating is the Value Signal, part of DriveIndex Pro.