An unprecedented surge in prices for used cars was the biggest contributor to the surprise jump in U.S. inflation last month.
The cost of previously owned sedans, pickups and SUVs soared 10 percent in April, according to the Bureau of Labor Statistics, the fastest climb ever in data that go back to 1953. It accounted for more than a third of the 0.8 percent increase in the consumer price index, which was four times the level economists estimated.
With fewer new cars being made amid a shortage in critical semiconductors, both retail consumers and rental car companies have gone to the used-vehicle market to get the wheels they need. Wholesale prices have soared as a result, up 54 percent in April from a year earlier at Manheim, the nation’s largest vehicle auction house.
Most analysts say the increase in car prices, like the spike in inflation as a whole, will likely be transitory as production ramps up and demand subsides. Auto sales had soared amid a pan…