✦ Shifty Estimate
$379,100
- 12 months median
- $271K
- Market cap
- $514.8M · 1,358 built
- Sales, 12 months
- 4
- Original MSRP
- $4,798 · ▲ 7801% since
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1969 Ford Mustang Boss 429
1969 to 1970 · Fastback · Limited edition · 1,358 built
Price history
Recent sales
More sales on file
The full sale history lives in the app.
Every sale for this exact market, with the chassis behind each number. Drop your email and you are first in.
Specifications
- Engine
- Naturally Aspirated V8, 7.0L
- Power
- 375 hp
- Torque
- 450 lb-ft
- 0 to 60
- 6s
- Top speed
- 130 mph
- Transmission
- Manual
- Drivetrain
- RWD
- Curb weight
- 1,600 lb
- Production
- 1,358 units
- Original MSRP
- $4,798
- Designer
- Larry Shinoda
Common questions
How much does a Ford Mustang Boss 429 cost?
A 1969 Ford Mustang Boss 429 cost $4,798 new. Over the past 12 months, 4 have sold publicly at a median of $270,500. The Shifty Estimate for a well-kept example is $379,100. Cars have changed hands anywhere from $322,235 to $435,965, depending on mileage, color, and history.
What is a 1969 Ford Mustang Boss 429 worth today?
The Shifty Estimate is $379,100. That sits above the $270,500 median of actual sales because the median counts every car that sold, including high-mileage examples, while the estimate describes a clean, low-mileage one bought today. We rate confidence medium: 4 public sales in a year is a thin market, and the spread between them is wide.
Is a Ford Mustang Boss 429 a good investment?
It has appreciated 7801% against its $4,798 list price. Only 1,358 were built. The caution is spread, not direction: across the sales we have on file, prices ran from $175,000 to $410,000, and mileage explains most of that.
What has a Ford Mustang Boss 429 sold for at auction?
The 3 most recent public sales we have on file:
- $410,000May 27, 2026Grabber Blue · 28,000 mi
- $175,000Nov 7, 2025Black Jade · 62,000 mi
- $180,000Oct 6, 2025Green · 62,000 mi
The Boss 429 remains the rarest and most powerful factory Mustang of the classic era, built solely to homologate Ford's 429 NASCAR engine. With just 1,358 examples hand-built by Kar Kraft, each required extensive modifications including relocated shock towers and a wider track. The massive 429 Semi-Hemi produced an underrated 375 hp, making it the most potent street Mustang until the modern era. Larry Shinoda's styling additions—including the functional hood scoop and rear spoiler—gave the Boss 429 a menacing presence. The car's $4,798 price tag was steep in 1969, limiting sales but ensuring exclusivity. Today, Boss 429s represent the ultimate classic Mustang investment, with pristine examples reaching seven figures. Their combination of extreme rarity, NASCAR heritage, and brute force makes them the holy grail of muscle car collecting.