I know there will be a nice price tag. I am prepared for that. Would the straight 6 engine fit or to big? If I do not want to do the swap who would I go to who could? I am brand new to the discussion. Always wanted a diesel but I like my Colorado. I know Chevy came out with a diesel in there new Colorado but do not really like the new models. I started reading about a 2.8l LWN by GM, it seems like a better option rather than a straight 6. Not sure very new, Any one on this forum do a Colorado swap?