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 6% cheaper than the BMW M4 (SEK 688,181 vs SEK 729,032, August 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 5.1% of its value per year versus 6.5% 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 729,032	SEK 688,181
Price span (P5–P95)	SEK 473,900 – SEK 1,726,945	SEK 299,900 – SEK 1,095,000
Typical mileage	5,570 mil	4,503 mil
Depreciation / year	SEK 47,647 (6.5%/yr)	SEK 35,044 (5.1%/yr)
Supply in the Nordics	89 cars	81 cars
Days on market (median)	16 days	8 days