In 1970, the GMC truck was given minor updates to the grille. The 1969 and 1970 models are nearly identical. The 396, which had been introduced in 1968, was enlarged to 402 cubic inches. The 305 and 351 CID V6s continued to be offered through 1970.
By Daniel Vaughan | Nov 2013
By Daniel Vaughan | Nov 2013
GMC Monthly Sales Volume
March 2023
130,608