My Car Quest

May 17, 2024

Car Of The Day – Classic Car For Sale – 1970 Boss 429 Mustang

by Mike –

Here is my pick for the classic car for sale today that I would like to own.

1970 Boss 429 Mustang

1970 Boss 429 Mustang

The seller says:

* This Boss 429 has been in the same family since day one and it drives and looks great

1970 Boss 429 Mustang

* Original Calypso Coral Boss 429 Mustang that is currently painted red

* The body is very solid and the original Boss 429 fenders are still in place

1970 Boss 429 Mustang

* Under the hood there’s a few items missing however the original carburetor, radiator, water pump and starter are included but not shown

1970 Boss 429 Mustang engine

* There were only 89 Coral Boss 429’s produced in 1970 and this is one of 76 with black interior.

* The original buck tag is still mounted on the radiator support and there’s a Marti Report available

1970 Boss 429 Mustang
* The build sheet has been saved as well as the window sticker

The price is $159,000 and the car is located in Massachusetts.


This classic Mustang is for sale on Hemmings.

Some questions that were not addressed in the sellers ad are: what is the milage?, in addition to the paint has there been any other restoration work?, is there any rust? has the car been in an accident?

I have always loved this Mustang model. It may be the fastest Mustang made in the 1960s, at least in a straight line. While this model was not a race car the engine was a race engine and was installed in this car by Kar Kraft for Ford so the engine could be homologated for use in Ford race cars.

I especially like the versions that do not have the rear window louvers and the rear air spoiler like most seem to have. Without these additions the beautiful lines can be admired as on this car.

Let us know what you think about this classic car in the Comments.

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1970 Boss 429 Mustang logo


  1. I always thought these Boss 429s were sexy beasts. Why does the seller say “original Boss 429 fenders are still in place”? Was there a problem with the Boss 429 fenders?

  2. ~ i’ll agree that the appearance is better without louvers and spoiler, but does ‘currently painted red’ mean it was once another color? price? i’m out.

    • The original color was Calypso Coral.

      This is one of the lowest priced Boss 429s that I have seen in a long time. It is well within the range of the Hagerty Price Guide.

  3. says

    Boss 429 fenders and Boss 302 fenders are different then all other Mustang fenders, the lip is more square to allow the factory size bigger tires. On many restorations the fenders get replaced cause it’s just cheaper and easier to buy a new aftermarket one then to try and massage a original one back. These fenders were also available on a select few ‘special’ editions like my Sidewinder Mustang which came with the factory bigger tires. So to get a 40 year old American built car that was probably driven through every season in its early life with still original fenders is pretty remarkable.

    • Ah ha! So “original Boss 429 fenders” is important. Thanks – they also seem to look better than a regular Mustang fender.

  4. Wow, this black one must be worth a lot more than the red one?

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