Dead Duramax: RIP, Diesel Caddy
At a time when its platform mates—the Chevy Tahoe, Chevy Suburban, and GMC Yukon/Yukon XL—are upgrading from the first-generation LM2 to the second-generation LZ0 3.0-liter Duramax inline-six with 305 hp and 495At a time when its platform mates—the Chevy Tahoe,...