Frank Oresnik of Medford, Wis. is only 1,200 miles away from a mileage milestone on his 1991 Chevy Silverado. Nope, he's not about to hit 100,000?he's already done that ten times over. Thats right, he's is about to roll his "rock" to the 1,000,000-mile mark. Frank bought the truck in 1996 when it only had a mere 41,000 on it. Since then, he's used it to deliver seafood across 3 states, racking up and astonishing 85,000 miles a year. Take heed: he claims that he made it to that million-mile mark by getting his oil changed every 3000 miles and sticking with regular maintenance. If that's the case, then Frank has had over 300 oil changes done to his truck on the original engine. The Guinness world record for highest mileage on a vehicle is car is currently held by Irv Gordon and his 1966 Volvo P1800?the pair have traveled 2.5 million miles since Irv first bought the car the year it was made. What's the highest mileage you've ever personally seen on a vehicle?