Question 1

Is the BMW M4 or Porsche 718 Cayman cheaper?

Accepted Answer

On the open Nordic market, the Porsche 718 Cayman is a median 17% cheaper than the BMW M4 (SEK 639,950 vs SEK 749,900, September 2026). Below we compare the two on price, price span, typical mileage, depreciation and supply — all from our price index.

Question 2

Which holds value better, BMW M4 or Porsche 718 Cayman?

Accepted Answer

On depreciation, the Porsche 718 Cayman loses about 5.6% of its value per year versus 6.9% for the BMW M4 — so the Porsche 718 Cayman holds value best. Indicative, from regression on market data, not guarantees.

Metric	BMW M4	Porsche 718 Cayman
Median price	SEK 749,900	SEK 639,950
Price span (P5–P95)	SEK 479,900 – SEK 1,819,334	SEK 290,750 – SEK 1,290,459
Typical mileage	6,175 mil	4,995 mil
Depreciation / year	SEK 51,492 (6.9%/yr)	SEK 35,764 (5.6%/yr)
Supply in the Nordics	100 cars	64 cars
Days on market (median)	35 days	—