Used 2021 Ford Mustang Shelby GT500 for SaleNationwide

How much does the 2021 Ford Mustang Shelby GT500 cost?

Prices are up 4.31% year-over-year — a sign of continued demand for this model year.

There are 294 listings available, which gives you a meaningful but limited pool to shop from.

Is the 2021 Ford Mustang Shelby GT500 a good car?

Yes — the 4.7/5 user rating points to strong owner satisfaction for this model year. The overview frames it as a high-performance, collectable Mustang with exclusive styling and serious performance upgrades, so it fits you best if you want a dramatic muscle car rather than a practical daily driver. It also emphasizes the hand-built V8, supercharger, and dual-clutch automatic as core parts of the appeal. 33.0% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2021 Ford Mustang Shelby GT500 reliable?

Owners rate it 4.7/5, a strong signal of long-term satisfaction. The overview also points to a clear ownership profile: you get serious performance and special hardware, but you should expect known mechanical concerns around the dual-clutch transmission, possible oil leaks, and timing chain tensioner issues. That means used buyers should treat long-term ownership risk as real and budget for careful maintenance and inspection.

What should I look for when buying a used 2021 Ford Mustang Shelby GT500?

Accident-free inventory is excellent at 94.6% — clean inventory, standard diligence applies.

You should still run a vehicle history report and verify that the car’s service records match its performance-car use. Put inspection priority on the transmission behavior, engine condition, and any signs of oil leakage or rough shifting. Because this is a high-output model, condition matters more than mileage alone.

Is now a good time to buy a used 2021 Ford Mustang Shelby GT500?

This looks like a moderate, selective buyer’s market, so you can shop patiently but should move quickly on the right car.

• Deal availability: 33.0% of listings are priced as good or great deals.
• Inventory: There are 294 listings available.
• Price trend: Prices are up 4.31% year-over-year.
• Clean inventory: 94.6% of listings are accident-free.

If you find a listing below $90,973, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Ford Mustang Shelby GT500's resale value?

The current average of $95,844 sits slightly above last year's $91,887.

That upward move suggests the market is still willing to pay for this car’s performance and collectable appeal. If you own one in strong condition, the combination of limited supply and enthusiast demand can help support pricing. For a future seller, that means well-kept examples should remain easier to position than ordinary used performance cars.

Vehicles with strong owner satisfaction ratings, like this model year's 4.7/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2021 Ford Mustang Shelby GT500 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 33.0% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 94.6% — clean inventory, standard diligence applies.
• Price trend: Prices are up 4.31% year-over-year.
• Owners rate it 4.7/5 — a strong satisfaction signal.

Consider the 2020 if:

• At $94,412, the 2020 costs less than the current year's $95,844 average.
• It delivers standout performance with strong driving appeal.

The bottom line: You should lean toward the 2021 if you want the stronger current-market benchmark and are focused on finding a well-kept example with solid deal availability. If you’re more price-sensitive, the 2020 can be the better entry point because it costs less while still delivering the core GT500 experience.

How does the 2021 Ford Mustang Shelby GT500 compare to the 2021 Chevrolet Camaro?

These recommendations are based on CarGurus' proprietary market data from October 27, 2026, CarGurus experts' opinions, and generative AI.