An enormous 3,000-year-old earthen platform topped with a series of structures, including a 13-foot-high pyramid, has been identified as the oldest and largest monumental construction discovered in ...
Use the 7.6-year benchmark, a $3,000 repair limit, and 150,000 miles to decide—keep a solid car to 10–12 years, or trade before big failures land. Trade-ins average 7.6 years old; vehicle age on U.S.