2004 Ford Mustang prices in Illinois
The median asking price for a 2004 Ford Mustang in Illinois is $19,082 based on 10 active listings.
As of July 24, 2026, the median asking price for a 2004 Ford Mustang in Illinois is $19,082, based on 10 active dealer listings tracked by VinAssessment.
◷ Updated July 24, 2026 ▤ 10 active dealer listings, refreshed daily Methodology →
Typical: $10,121–$28,698 — the middle half of 10 asking prices
Why the wide range? Price depends mostly on configuration and mileage — see below. This spread covers the middle 96% of asking prices: we exclude the cheapest and priciest 2% (payment-priced ads, typos, salvage) so outliers don't distort it.
What moves the price on a 2004 Ford Mustang
The $10,121–$28,698 typical range isn't randomness — two factors explain most of it:
The Base typically asks $6,199, while the Cobra asks $46,857 — same year, same market.
Asking prices run about $34,440 under 15K miles and fall to $6,500 over 105K miles — roughly $2,700 for every 10,000 miles.
Find your mileage and trim in the configurator below.
Configure the exact car
Modelled from 67 real asking prices, adjusted for mileage and location. Not a formal appraisal.
2004 Ford Mustang: a fair price for your mileage
A 2004 Ford Mustang sheds roughly $2,700 for every 10,000 miles. Find your mileage below.
Fair price by mileage and trim
| Mileage | All listings | GT | Cobra |
|---|---|---|---|
| Under 15K miles | $34,440 | $33,900 | $75,488 |
| 15K–30K miles | $39,948 | $22,652 | $44,509 |
| 30K–45K miles | $16,985 | $19,098 | — |
| 45K–60K miles | $22,240 | $21,485 | — |
| 60K–75K miles | $14,019 | $14,995 | — |
| 75K–90K miles | $10,485 | $11,492 | — |
| 90K–105K miles | $12,600 | $13,140 | — |
| Over 105K miles | $6,500 | $9,949 | — |
Medians of live asking prices per band and version; “—” means fewer than 3 matching listings. National data.
Fair price by mileage — all versions combined
| Mileage ⓘ | Based on ⓘ | Fair price ⓘ | Typical range ⓘ |
|---|---|---|---|
| Under 15K miles | 13 listings | $34,440 | $31K–$62K |
| 15K–30K miles | 14 listings | $39,948 | $25K–$47K |
| 30K–45K miles | 15 listings | $16,985 | $11K–$23K |
| 45K–60K miles | 12 listings | $22,240 | $16K–$28K |
| 60K–75K miles | 25 listings | $14,019 | $9,995–$19K |
| 75K–90K miles | 8 listings | $10,485 | $8,634–$14K |
| 90K–105K miles | 11 listings | $12,600 | $8,692–$14K |
| Over 105K miles | 38 listings | $6,500 | $5,762–$7,896 |
Same trim and condition assumed — mileage is the biggest lever after configuration. National data; Illinois prices track it closely.
2004 Ford Mustang: price by trim
| Trim | Based on ⓘ | Median price ⓘ | Typical range ⓘ | Where it sits ⓘ |
|---|---|---|---|---|
| GT | 67 listings | $16,699 | $13K–$23K | |
| Cobra | 19 listings | $46,857 | $40K–$54K | |
| Base | 14 listings | $6,199 | $4,915–$7,870 |
Based on a small number of listings per trim — medians are indicative, not definitive. National data; Illinois prices track it closely.
Price history
Median asking price by month — national · shaded band is the typical range (25th–75th percentile)
The median listing price for a 2004 Ford Mustang is $13,995 (July 2026) — up 21.7% from $11,499 in August 2025.
Monthly price table
| Month | Median price | Typical range | Vehicles listed |
|---|---|---|---|
| July 2026 | $13,995 | $7,944–$26K | 103 |
| June 2026 | $13,000 | $7,012–$24K | 107 |
| May 2026 | $14,329 | $7,593–$25K | 94 |
| April 2026 | $13,275 | $7,128–$24K | 77 |
| March 2026 | $11,846 | $7,211–$18K | 94 |
| February 2026 | $10,195 | $5,881–$18K | 80 |
| January 2026 | $9,999 | $7,698–$16K | 86 |
| December 2025 | $9,500 | $6,972–$13K | 67 |
| November 2025 | $8,992 | $5,983–$14K | 72 |
| October 2025 | $10,744 | $7,566–$16K | 58 |
| September 2025 | $11,500 | $6,708–$15K | 48 |
| August 2025 | $11,499 | $6,995–$16K | 47 |
2004 Ford Mustang inventory across the U.S.
Keep exploring Mustang prices
2004 Ford Mustang · $20,127 typical · 10 listingsOther Ford Mustang years
Live 2004 Ford Mustang listings, priced by VIN
Every VIN links to a full market report: decode, active listings and the local price band. Shop 2003–2005 Ford Mustang listings on VehiSales →.
More 2004 Ford prices
Frequently asked questions
Why do 2004 Ford Mustang prices range from $5,855 to $39,961 in Illinois?
The spread comes down to configuration and mileage: higher-mileage, base-configuration examples sit near the low end, while low-mileage and premium configurations reach the top. Half of all listings fall between $10,121 and $28,698 — see the mileage and trim breakdowns above for where a specific vehicle lands.
How much should mileage change the price of a 2004 Ford Mustang?
Expect roughly $2,700 less for every 10,000 miles on the odometer. A 60K-mile example should cost about $8,100 less than a 30K-mile one of the same trim — check the fair-price-by-mileage table above for your band.
Do Ford Mustang prices in Illinois differ from the rest of the country?
Yes. The average in Illinois is $20,127, which is $1,230 above the national average of $18,897. Local supply, demand and transport costs all play a part.
How many 2004 Ford Mustang are for sale in Illinois right now?
10 in total, nearly all pre-owned. Counts refresh daily from live dealer inventory.
How we calculate these prices
We track 10 active listings for this vehicle across dealer sites nationwide, updated every day. Average and median are computed from real asking prices on live listings. We exclude the top and bottom 2% of prices to remove data errors, salvage titles, and monthly-payment figures posted as if they were sale prices. Prices reflect dealer asking prices — not final sale prices — and exclude taxes, fees, and incentives. Trim and mileage move the price more than any other factor; see the breakdowns above.
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