Question 1

Is the BMW M5 or Porsche 718 Cayman cheaper?

Accepted Answer

On the open Nordic market, the BMW M5 is a median 5% cheaper than the Porsche 718 Cayman (SEK 655,000 vs SEK 688,181, 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 M5 or Porsche 718 Cayman?

Accepted Answer

On depreciation, the BMW M5 loses about 2.3% of its value per year versus 5.1% for the Porsche 718 Cayman — so the BMW M5 holds value best. Indicative, from regression on market data, not guarantees.

Metric	BMW M5	Porsche 718 Cayman
Median price	SEK 655,000	SEK 688,181
Price span (P5–P95)	SEK 325,242 – SEK 1,776,751	SEK 299,900 – SEK 1,095,000
Typical mileage	9,573 mil	4,503 mil
Depreciation / year	SEK 15,103 (2.3%/yr)	SEK 35,068 (5.1%/yr)
Supply in the Nordics	137 cars	81 cars
Days on market (median)	13 days	8 days