GMC Sierra SLE 2023 Automatic Gasoline mileage: 65 KM 4WD GMC Sierra SLE Model - 2023 Body is agency with a small note for the serious buyer. Additions: Blade has been removed King springs Bilstein shocks It has a 40,000 BTU transmission cooler from Badran It has four disconnects Transmission has been removed (The car had a full engine modification, which has been removed) (New agency tires were installed approximately 12 hours ago)