(C= 2wd pickups, cab n' chassis, and Blazer / Suburban, K= 4wd pickups, cab n' chassis, and Blazer / Suburban, and the P model line is Chevy Vans. GM considers anything 1 ton or under to be a "Light Duty" vehicle. Get the most useful specifications data and other technical specs for the 2000 Chevrolet Suburban 1500 4WD Base. See body style, engine info and more specs.
Depends on what size gears you have in the rear. On the highway you are going to be somewhere around 10 MPG. I drove my grandfathers '99 with a 454 and that's about what it was on the highway. It had 3.73 gears, so if you have 4.10's it will be a little worse than 10.
Aug 14, 2008 · K 2500 Suburban 4WD V8-454 7.4L VIN N TBI (1995) > GMC Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Emergency Contact Module > Component Information > Technical Service Bulletins > OnStar(R) - Aftermarket Device Interference Information Chevrolet Suburban features and specs at Car and Driver. Learn more about Price, Engine Type, MPG, and complete safety and warranty information.