Wholesale Prices Continue Record-Setting Surge, Manheim Index Up Nearly 50% From a Year Ago Monday June 7, 2021 2 min Read Wholesale used vehicle prices (on a mix-, mileage-, and seasonally adjusted basis) increased 4.65% month over month in May. This brought the Manheim Used Vehicle Value Index to 203.0, a 48.2% increase from a year ago and a record high for the Index. Manheim Market Report (MMR) prices saw weekly increases in May that slowed as the month progressed. Over the four full weeks of May, the Three-Year-Old Index increased 6.2%. Over the month of April, MMR Retention, which is the average difference in price relative to current MMR, averaged 100.9%. The sales conversion rate also slowed as the month progressed but remained higher than is typical for the month of May. On a year-over-year basis, all major market segments saw seasonally adjusted price increases in May. Pickup trucks outperformed the overall market, while most other major segments underperformed the overall market. Access the full report. Click image to enlarge. For 26 years, the MUVVI has been the definitive source on the state of the used vehicle market. Based on millions of individual valuations each year, it is the automotive industry’s only measure of used vehicle values that is seasonally adjusted and accounts for changes in mix and mileage of vehicles sold. The monthly data are derived from vehicles sold at Manheim’s U.S. locations and on its digital properties. Stock market analysts and media use the MUVVI as an indicator of the health of the economy and automotive industry. The complete suite of monthly MUVVI data is released on the fifth business day of the month. The next quarterly call will be held on Thursday, July 8, at 11 a.m. EDT. RSVP to Attend. If you have any questions regarding the Index, please contact the Cox Automotive Industry Insights team at Manheim.Data@coxautoinc.com. Manheim Used Vehicle Value IndexMUVVI Related Market Insights Market Insights Cox Automotive Auto Market Report: September 16 5 min Read EV Market Monitor – August 2025 5 min Read Cox Automotive Unites Fleet Services and FleetNet America into One Fleet Team 4 min Read