GMC Sierra SLT 2004 Automatic Gasoline mileage: 300 KM or more 4WD The car has been renewed completely. The engine is 5.3 with a sports filter. And spark plugs from the company, and the spark plug wires from the company. The wiring harness for the engine and electrical system is completely new. It has new protection. And the exhaust is open. The transmission has a TransGo installed. The four-wheel drive is working. The tires are Shahin from Hamann 900, new, bought in Ramadan. Its chassis was completely checked a month ago, and the control arms were replaced with sports ones, better than the agency's. And it has a rear spoiler installed. Its mileage is not real because I changed it. The real mileage is less than 400. It needs a little engine tightening. The interior has been completely renewed, the seats and the dashboard cover were installed new a month ago.