← All vehicles/Used Vehicle Research
Buyer Research

2021 Ford Mustang GT — Should You Buy One?

Typical asking price: $24,000–$42,000. There is 1 high-severity known issue you need to know before handing over a check.

Kestrel Take

The S550 Mustang GT with the 5.0L Coyote V8 is a great muscle car — IF the previous owner drove it like a human being. Mustang buyers have a reputation for a reason. Always check for track use.

Known Issues for the 2021 Ford Mustang GT

Ranked by wallet impact. These are documented, recurring problems — not freak accidents.

MT82 6-speed manual wear (if equipped)High — wallet impact

3rd gear synchro wears early, cold shifting is stiff, clutch wears fast from enthusiastic use. Automatics are more durable.

Repair cost range: $600-$2,500

IRS bushing wearMedium

IRS bushings wear from spirited driving and launch control use.

Repair cost range: $400-$1,200

Walk-Away Red Flags

  • Track use history
  • Modified exhaust, tune, or forced induction
  • MT82 grinding into 3rd or clutch slipping

Good Signs

  • Automatic transmission — 10-speed is more durable for a used buy
  • Stock powertrain with regular oil changes
  • No track use or drag strip history

Found a specific Ford Mustang GT?

This page covers what goes wrong on the 2021 Ford Mustang GT in general. The Kestrel report covers this specific car— the asking price vs. market, the photos, the seller's description, and a BUY / NEGOTIATE / WALK AWAY verdict with a negotiation script.

Get My Verdict — $7.99

No account required. Delivered to your inbox, usually within minutes.

Known issues on this page are based on documented owner reports, NHTSA complaints, class-action records, and manufacturer technical service bulletins. Individual vehicles vary. A pre-purchase inspection by a trusted mechanic is always worth doing.