Z71 2014 Automatic Gasoline mileage: 300 KM or more 4WD Peace be upon you and God's mercy and blessings. I present to you my 2014 GMC Sierra Double Cab. Mileage: 384,000 kilometers. Maintenance performed on the vehicle: 1- The transmission was overhauled on (16-09-2025) and is still under warranty until (16-09-2026) at Challenger Center. 2- The body has some paint work according to the attached inspection. 3- A 40,000 unit transmission cooler has been installed. The vehicle is for exchange only with a difference to be paid based on the evaluation. For your information, the original rims are available. Best regards,