2015 Yukon SLT with 5.3. 40K miles and commuting with it still. Currently the odometer is at 188,000 miles. I have all service records since purchased. Transmission rebuilt at approx 135,000 miles. No cylinder deactivation issues, the 2015 model year was a good one for the 5.3. Only synthetic oil used at every oil change, usually every 4-5K miles. ASKING 9,000