Is the $39,995 price on this 2021 Ford Mustang a good deal?

OAV rates this as a Great Deal because the asking price of $39,995 is below the typical market range for this vehicle.

How long does a 2021 Ford Mustang typically stay on dealer lots?

Comparable Ford Mustang listings in IL spend an average of 70 days on dealer lots.

Where is this 2021 Ford Mustang located?

This vehicle is listed in Rockford, IL 61109. VIN: 1FATP8FF3M5153103. Mileage: 22,729 miles.

What is the fair market price range for this 2021 Ford Mustang?

OAV's Price-to-Market analysis estimates the fair market range is $40,411 to $89,522, based on 15 comparable listings matched to this vehicle.

2021 Ford Mustang GT Premium for Sale in Rockford, IL

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Vehicle Details

VIN1FATP8FF3M5153103

TrimGT Premium

Exterior ColorBlack

DrivetrainRWD

Engine5.0L V8

TransmissionAutomatic

Fuel TypePremium Unleaded

Inventory Typeused

Days on Lot483

GT Premium

Great Deal

$39,99522,729 mi

Rockford, IL 61109

Is this 2021 Ford Mustang GT Premium a good deal?

OAV verdict: Great Deal

Why: Listed at $39,995, comparable market range $40,411–$89,522, based on 15 comparable listings. Days on lot: 483 days (market average 70 days).

Market price position

$39,995 · $416 below market low

Comparable range: $40,411 – $89,522
vs. market low: — $416 (1% below)
Comparable vehicles: 15

Market Retail Price (MRP™)

$64,967

This vehicle $39,995 · $24,972 (38%) below MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$39,859

This vehicle $39,995 · $136 (0%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-15) — an estimate, not an appraisal. How TRV works.

Fast-selling model · older listing

Comparable vehicles nationally have sold faster than the market baseline, but this listing has been available longer than the cohort’s typical sell-time (about 12–44 days).

What does Demand-Verified mean?

Verify before inquiring

This listing has been available about 11.0x longer than comparable vehicles typically take to sell (cohort sells in 12–44 days; this one is at 483). Confirm its history, condition, availability, and out-the-door price before proceeding.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Regional Range$40,411 – $89,522

Twins Auto Mall

Rockford, IL

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

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Request availability and out-the-door price

OAV will route your inquiry to Twins Auto Mall for current availability of this 2021 Ford Mustang GT Premium and an out-the-door price quote (taxes, fees, addons included).

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2021 Ford Mustang

Listing updated: Aug 15, 2026

Listed by an independent dealer in Rockford, IL · On lot for 483 days · VIN verifiable at NHTSA

This used 2021 Ford Mustang GT Premium is listed at $39,995 by twins auto mall in Rockford, IL 61109. It has 22,729 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a RWD drivetrain with a 5.0L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as a Great Deal — priced below market value. Based on 15 comparable listings matched to this vehicle, the estimated market range is $40,411 to $89,522. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 483 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

Market context

This listing is part of OAV's broader Rockford, IL convertibles market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

How this deal is rated

OAV compares this 2021 Ford Mustang against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

Great Deal — priced below the typical range for comparable vehicles.
Fair Price — priced within the expected range for comparable vehicles.
Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in Rockford, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1FATP8FF3M5153103 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2021 Ford Mustang Market in IL

IL Market Listings

210

Average Price

$42,780

Price Range

$9,869–$160,000

Avg Days on Lot

Based on all 210 2019-2023 Ford Mustang listings in the IL market, the average asking price is $42,780. This listing at $39,995 is $2,785 below the broader IL average (7% below the IL average). This is a wider, all-trim comparison across IL; OAV's price verdict above uses the closer comparable set. Comparable prices in IL range from $9,869 to $160,000. Similar vehicles spend an average of 70 days on dealer lots in this market.