This was not a big year for change. A few minor changes were made, but for the most part the Mustang stayed the same.

The four-headlamp design was dropped after just one year, however the remaining headlamps remained mounted within a widened grille and simulated air scoop end caps were added at the front of the fenders. The simulated air exhaust vents in front of the rear wheel wells were deleted.

High-back bucket seats, which were and option for most models in 1969 became standard equipment on all models in 1970. Another change was the ignition switch, formerly found on the dash was now located on the steering column.

The 390ci engine was dropped and the 351-2V Cleveland and 351-4V Cleveland replaced the 351 Windsor models of previous years.

The Mach 1 discontinued the bold side stripes and blacked-out hood of the 1969 model. The hood now featured one wide stripe down the center of the hood and two smaller stripes on each side, each incorporating the engine size into the design.

The Boss 302 sported new stripe treatments on the hood and sides and dual color-keyed racing mirrors. 15-inch wheels with flat hub caps and beauty rings were standard with Magnum 500 wheels available as an option.

Boss 429 remained the same except the hood scoop was painted black.

The Grande got a new landau vinyl roof and special cloth inserts for the seat upholstery.

Unfortunately, 1970 was the last year for Shelbys. Government regulations and the slacking performance market had taken their toll.  The ones that did sell in 1970 were basically leftover 1969 models that had been dealer-prepped.