Gmc sierra 400,000 miles
Truck turns 400,000 miles in 7 1/2 years
The 500,000 Mile Man
Jim White's already put 500,000 miles on his 2007 car. That's pretty amazing. So is his story. Watch and see.
Duramax Fuel Mileage Improvements
http://www.powerupdiesel.biz Increase mileage up tp 4-7 miles per gallon with custom ECM tuning and recalibration of fuel mapping.