C or K

I've got a buddy with a '98 Sierra and we're both trying to figure out if it is a C or a K. How do you figure it out?

2x4 (two wheel drive) is a "C"
4x4 (four wheel drive) is a "K"

if you cant tell just by looking at the interior and seeing if there is 4x4, you can look underneath and if there is a transfer case, driveshaft to the front of the truck, and a front differential, it is, of course, a 4x4.

older 4x4's have a regular axle up front like the rear one, just with an off-centered differential, and newer models (not sure when it started, maybe 1999?) have an independent front suspension just like the 2x4 with cv joints like a front wheel drive car would have. more than likely it is probably a "k" as many people get that option now, even though it hinders mileage slightly because of added weight even when not engaged and added rotational mass when engaged

(not sure when it started, maybe 1999?) have an independent front suspension just like the 2x4 with cv joints like a front wheel drive car would have.

I think it started in 87 or 88. I have a 90 K1500 and it has IFS.

//2000CAYukon

ah i see... well i guess i was off quite a bit lol

right, the first year for IFS was 1988, it was introduced as a new feature on the redesigned GM Trucks.