All sources
Median asking price per model, by day — your market-trend index. One point per model per day (cheapest source's latest price per car). It grows with every scrape; once a few weeks accumulate, the slope reveals real appreciation/depreciation drift that the per-car forecast can layer in.
Recent Bring a Trailer sales — real transactions (sold prices), not asking
Each dot is a current listing (price vs mileage), colored by deal vs the fair-value model: green = below market, red = above, amber = about right. The green line is the fitted fair-value trend (dashed = simple average when too few comps). Gold diamonds ◆ are real Bring a Trailer sold prices (click to open the auction). Hover to preview · click a dot for full photos & history.
Models tracked
Add a model
On cars.com, filter for the make / model / year / location you want, then copy the
page URL from your browser's address bar and paste it above. The optional trim contains box keeps only matching
trims (e.g. 5.2,v10 for an Audi R8 V10).