The Manheim Used Vehicle Value Index hit 215.3 in March 2026, up 6.2% year over year and the highest reading since summer 2023. That same month, CarMax, the country's largest used car retailer, reported that comparable store used car sales fell 1.9%. Wholesale prices at a three-year high. Retail demand softening. Those two numbers are both true right now, and understanding the gap between them is more useful for your timing decision than either one alone.
Why Wholesale Prices Keep Rising
Tariffs on imported new vehicles took effect in April 2025. The 25% rate on non-USMCA-compliant imports pushed average new car transaction prices up 10.4% year over year to $49,353 in February, per Kelley Blue Book's April 2026 analysis. That's nearly a $24,000 gap above the average used car retail price.
Every buyer who gets priced out of new ends up on the used side. That's been happening at scale since spring 2025, and it's keeping wholesale demand elevated. Dealers at auction are competing harder for the same vehicles. The Manheim index reflects that pressure directly.
CARFAX's April 14 report puts the average used car retail price at approximately $25,500, up roughly $1,500 in a single month after hitting a 12-month low.
What Retail Sales Are Actually Showing
CarMax reported Q4 fiscal year 2026 results on April 14. Comparable store used unit sales declined 1.9%. Total retail used unit sales fell 0.8%. Gross profit per retail used vehicle came in at $2,115, down $207 from the prior year.
That margin is thin on a $25,500 average vehicle, roughly 8.3%. Dealers are paying more to acquire inventory at auction and finding it harder to pass the full cost to buyers. That's not a buyer's market, but it's not the same as 2022 when dealers had all the leverage.
The pattern is affordability ceiling. Standard used car loan rates average 7.44%, per US News & World Report's April 2026 data. A five-year loan on a $25,000 vehicle with nothing down runs about $500 monthly before insurance and registration. For a lot of buyers, that math isn't working.
Where the Market Is Headed
| Indicator | Current Reading | Change | What It Signals |
|---|---|---|---|
| Manheim Used Vehicle Value Index | 215.3 | +6.2% year over year | Wholesale acquisition costs still rising |
| Average retail used car price | ~$25,500 | +$1,500 in one month | Buyers' out-of-pocket cost at 3-year high |
| CarMax comparable store used sales | -1.9% | Down year over year | Retail demand softening at current prices |
| CarMax gross profit per retail unit | $2,115 | -$207 year over year | Dealer margins under pressure |
| Cox Automotive Manheim year-end forecast | +2% vs. March | Stable | No significant price drop in sight |
Cox Automotive projects the Manheim index will end 2026 roughly 2% above the March 2026 reading. Not a spike. Not a collapse. A slow drift higher, with some seasonal softening possible in summer as post-tax-refund demand fades and trade-in supply rises.
When Waiting Actually Makes Sense
Waiting for a significant crash won't pay off. Cox's forecast doesn't include one, and the structural demand from tariff-displaced new car buyers isn't going away until import duty policy changes, which has no near-term timeline.
But there's a seasonal pattern worth knowing. Spring is historically the hottest used car buying window, driven by tax refund cash and the traditional selling season. Summer typically brings modest softening as trade-in volume increases and dealer lots build inventory slightly. If you're a few months from being ready, late summer or early fall is modestly better than right now for most vehicle categories.
The exception is trucks and popular compact SUVs. Inventory there is tight enough that seasonal timing won't move the needle meaningfully. A Tacoma or Silverado sitting on a lot in July costs about the same as one in April.
How to Use the Margin Squeeze Now
Dealer margin pressure creates negotiating room, but only on the right vehicles. CarMax's Q4 results show the industry is earning less per sale than a year ago. That doesn't help you on a low-days-on-market truck with multiple offers. It does help you on a sedan or less-popular model that's been sitting 30-plus days.
Dealers carrying aged inventory are paying interest on a vehicle they acquired at high wholesale prices and haven't sold. At $2,115 gross profit per unit, a dealer who drops $300 off asking is still making $1,815. There's room, especially on units past 30 days of market exposure.
CarScout tracks days on market for individual listings, so you can see exactly how long a vehicle has been sitting before you make an offer. A car at 40-plus days hasn't found its buyer at asking. That's the specific window where the wholesale-retail squeeze works in your favor.
FAQ
When will used car prices drop in 2026? Cox Automotive's Manheim forecast doesn't include a significant drop. The index is projected to end the year roughly 2% above the March 2026 reading of 215.3. A modest summer softening is possible as trade-in supply rises after the spring demand peak, but the tariff-driven shift of new car buyers into the used market keeps any dip shallow. You're not waiting out a collapse. You're waiting out a slow season.
Can I actually negotiate on a used car right now? Yes, selectively. CarMax reported gross profit per retail used vehicle at $2,115 in Q4 2026, down $207 year over year. That margin squeeze runs across the industry. Your leverage depends entirely on the specific vehicle: days on market above 30 is the clearest signal that asking price isn't sticking. Use that data point before you make an offer.
Is summer better for buying a used car than spring? Modestly, yes, for sedans and mid-tier SUVs. After the spring surge fueled by tax refunds, trade-in supply tends to rise in June and July, easing some inventory pressure. For trucks and popular compact SUVs, the supply is too constrained for seasonal timing to matter much. For less in-demand vehicle types, a few weeks of patience may be worth a few hundred dollars off asking.
Track price history and days on market for the specific model you're targeting at CarScout before making any deal.