Resurrected 1999 GMC Sonoma pickup averages 30 mpg highway Previous 2 / 2 1999 GMC Sonoma show 105,000+ miles on the O.D. With 105,000+ miles showing on the O.D., this 1999, 2200 vortec 4 cylinder gasoline engine remains a tight runner. Previous 2 / 2 Found on the side of the road dirty and rusting. We bring this project 99' GMC Sonoma pickup back to life. Your name * E-mail * The content of this field is kept private and will not be shown publicly. Subject Comment *