BMW Z4 M Coupe vs Porsche Cayman S
The median verified BMW Z4 M Coupe sale is $33,000 against $32,500 for the Porsche Cayman S, from 128 and 583 verified sales respectively. Over the past 12 months the median BMW Z4 M Coupe sale price is up 14.7% and the median Porsche Cayman S sale price has held flat, measured against the prior year's median. Every figure is a completed sale, never an estimate or an asking price.
BMW Z4 M Coupe vs Porsche Cayman S: the numbers
| BMW Z4 M Coupe | Porsche Cayman S | |
|---|---|---|
| Median sale (USD) | $33,000 | $32,500 |
| Sold price range (USD) | $18,000 – $66,500 | $10,980 – $76,500 |
| Verified sales tracked | 128 | 583 |
| Sold, last 12 months | 17 | 108 |
| Median sold, 12-month change | +14.7% | Flat |
| Average sale mileage | 57,633 mi | 53,831 mi |
| Model years tracked | 2006–2008 | 2006–2016 |
| For sale | 1Last checked Nov 4, 2026 | 141 from $14,500Last checked Nov 4, 2026 |
Medians and ranges are USD completed sales; counts include every tracked currency. The 12-month change compares the past 12 months’ median with the prior 12 months’ and appears only when each window holds at least three sales — it tracks the median of what actually sold, so it moves with the mix of years, trims and mileages that came to market as well as with the market itself. Methodology
The numbers above describe what has already happened at auction. DriveIndex’s Head-to-Head Verdict puts the Z4 M Coupe and the Cayman S side by side on mileage-adjusted fair value, the Value Signal, 1–5 year projections, market liquidity and running costs.
Compare them in the app →Latest verified sales
Recent BMW Z4 M Coupe sales
| Oct 27, 2026 | $21,615 | 107,100 mi |
| Sep 15, 2026 | $40,700 | 49,500 mi |
| Sep 1, 2026 | $64,000 | 14,900 mi |
| Aug 13, 2026 | $32,750 | 62,000 mi |
| Jul 20, 2026 | $39,000 | 24,000 mi |
Recent Porsche Cayman S sales
| Oct 28, 2026 | $39,500 | 40,000 mi |
| Oct 28, 2026 | $33,000 | 46,500 mi |
| Oct 27, 2026 | $72,500 | 30,000 mi |
| Oct 21, 2026 | $36,000 | 59,900 mi |
| Oct 19, 2026 | $48,000 | 38,000 mi |
The five most recent verified sales on each side. The full archive is in the app.
Related comparisons
BMW Z4 M Coupe vs Porsche Cayman S: Frequently Asked Questions
Is a BMW Z4 M Coupe more expensive than a Porsche Cayman S?
BMW Z4 M Coupe sells for more: the median verified sale is $33,000 against $32,500 for the Porsche Cayman S. Both medians come from completed auction sales, not estimates or asking prices.
Which sells more often, the BMW Z4 M Coupe or the Porsche Cayman S?
The Porsche Cayman S. 17 BMW Z4 M Coupe sales and 108 Porsche Cayman S sales were recorded in the past 12 months, so the Porsche Cayman S changes hands more often — a rough read on how easy each one is to buy or sell.
Have BMW Z4 M Coupe or Porsche Cayman S prices moved more in the past year?
The median BMW Z4 M Coupe sale price is up 14.7% versus the prior year. The median Porsche Cayman S sale price is flat versus the prior year. Both figures describe what has already changed hands, and a model spans many years and mileages, so the mix that came to market moves them as well as the market does. The mileage-adjusted Value Signal and the 1–5 year projections for each car are in the app.
Where do these BMW Z4 M Coupe vs Porsche Cayman S numbers come from?
From completed sales at the world's leading collector-car auction houses and marketplaces, verified and normalized by DriveIndex, plus active for-sale listings. Outliers and lots that failed to meet reserve are excluded — a reserve-not-met bid is not a sale.