As of September 2026, CarSearch.Pro's True Value model estimates a typical Ford Mustang (S550) Dark Horse is actually worth $45,200 (fair range $39,800 to $50,700). Unlike the median asking price shown above, True Value is anchored to 517 recent confirmed sales, normalized for mileage, and blends auction hammer prices (grossed up for buyer's premium) with real-world asking behavior.
Sellers are currently asking a median of $28,300 — about 37% below what these cars have actually been selling for. Asks sitting below recent sold values can signal softening demand or motivated sellers.
As of September 2026, the Ford Mustang (S550) Dark Horse market has 1,000 active listings across 14 marketplaces tracked by CarSearch.Pro. The median asking price is $11,500, with the middle 50% of listings priced between $8,000 and $12,993. Dark Horse prices have increased 1.6% over the past quarter, from a median sale price of $29,900 to $30,373.
The typical Dark Horse on the market has 116,361 miles. Listings spend an average of 2 days on market before selling or being removed.
Current Dark Horse Pricing
A fair price for a Ford Mustang (S550) Dark Horse in September 2026 is between $8,000 and $12,993 (25th to 75th percentile). Prices range from $3,000 to $13,500 across 1,000 active listings.
Price Distribution (1,000 Active Listings)
Percentile
Price
Meaning
10th
$3,000
Budget / project cars
25th
$8,000
Below average price
Median (50th)
$11,500
Typical market price
75th
$12,993
Above average / premium
90th
$13,500
Top tier / low miles / rare spec
The average asking price is $10,085, which is lower than the median, suggesting pricing is relatively symmetrical across the market.
Price by Mileage
Mileage Range
Listings
Median Price
Under 10,000 mi
7
$3,500
10,000 - 25,000 mi
12
$3,500
25,000 - 50,000 mi
57
$3,500
50,000 - 100,000 mi
257
$10,999
100,000 - 150,000 mi
510
$12,366
Over 150,000 mi
138
$10,395
Dark Horse Price Trends
Ford Mustang (S550) Dark Horse prices have increased 1.6% over the past quarter. In 2026-Q3, the median sale price was $30,373 across 978 sales, up from $29,900 in 2026-Q2.
Best Value Dark Horse by Model Year
The 2024 Dark Horse offers the best value with a median price of $3,000 across 33 listings. The most expensive model year is 2018 at a median of $12,499.
Median Price by Model Year
Year
Listings
Median Price
Min
Max
2015
252
$11,500
$2,500
$13,950
2016
244
$11,995
$2,500
$13,912
2017
145
$12,245
$2,500
$13,923
2018
94
$12,499
$2,500
$13,950
2019
86
$11,000
$2,500
$13,900
2020
84
$8,000
$2,500
$13,900
2021
34
$10,500
$2,500
$13,698
2022
20
$5,000
$2,500
$13,900
2023
8
$3,000
$2,500
$6,900
2024
33
$3,000
$2,500
$7,500
How Mileage Affects Dark Horse Value
Most price guides assume value falls linearly with mileage. It doesn't. CarSearch.Pro learns the actual price-vs-mileage curve for the Ford Mustang (S550) Dark Horse from confirmed sales, referenced to a typical example at about 6,000 miles:
Odometer (approx.)
Value Multiplier
Implied Value
346 mi
1.42x
$64,339
4,628 mi
1.05x
$47,626
10,898 mi
0.90x
$40,604
20,313 mi
0.76x
$34,352
38,301 mi
0.58x
$26,224
61,124 mi
0.47x
$21,297
94,427 mi
0.41x
$18,375
129,304 mi
0.37x
$16,644
300,000 mi
0.33x
$14,910
Low-mileage examples carry a real premium in this market: around 346 miles, cars trade at roughly 1.42x the reference value. At the other end, 300,000-mile examples trade at about 0.33x. Implied values here are anchored to this market's True Value.
Dark Horse Price Forecast
Horizon
Direction
Probability
Regime
Past Accuracy
6 months
↑ UP
50%
volatile
53% over 76 tests
12 months
↑ UP
51%
volatile
41% over 70 tests
24 months
↑ UP
52%
volatile
33% over 58 tests
These are probabilistic direction calls, not price targets. The "Past Accuracy" column is this model's real walk-forward record on the Ford Mustang (S550) Dark Horse — every month we re-run the forecast as if we only knew what was knowable then, and grade it against what actually happened. We publish the hit rate either way. Full methodology & track record →
Where to Buy a Dark Horse
The highest concentration of Ford Mustang (S550) Dark Horse listings is in TX with 175 active listings, followed by FL (168), CA (126), GA (108), AZ (70).
Regional pricing varies significantly. The lowest median price is in TX at $9,800, while NC has the highest at $12,999. Buyers willing to travel or arrange transport may find savings of $3,199.
Top States by Inventory
State
Listings
Median Price
TX
175
$9,800
FL
168
$11,995
CA
126
$10,999
GA
108
$11,995
AZ
70
$11,498
NJ
36
$11,500
VA
33
$12,595
WA
33
$11,999
NC
30
$12,999
IL
21
$11,995
Dark Horse Market Velocity
Ford Mustang (S550) Dark Horse listings spend an average of 2 days on market. This is a fast-moving market. Buyers should expect competitive pricing and be prepared to act quickly on well-priced examples. Sellers can generally expect strong demand.
The median time on market is 2 days.
Dark Horse Buyer's Guide Summary
Fair price range: $8,000 to $12,993. The median is $11,500. Anything below $8,000 is a strong value; above $12,993 should be premium condition, low miles, or a desirable specification.
Prices stable: Dark Horse values have been relatively flat. There is no urgency to time the market.
Best value year: The 2024 model year has the lowest median price at $3,000, making it the most accessible entry point into Dark Horse ownership.
Act fast: With an average of 2 days on market, good examples sell quickly. Have financing arranged and be ready to move on a listing within days.