BMW M2 vs Porsche Cayman
Side-by-side reliability, price, and known-issue comparison for used-car buyers. Composite scores come from TÜV (Germany), ADAC (pan-European), NHTSA (US-sold variants), and DVSA MOT (UK inspections).
B
BMW M2
2016–2017
Reliability composite
90
/ 100
Excellent
MOT + NHTSA
Estimated used price
€17,100–€18,400Documented issues
0
⭐ Better composite reliability
P
Porsche Cayman
2014–2016
Reliability composite
98
/ 100
Excellent
MOT + NHTSA
Estimated used price
€14,700–€24,800Documented issues
0
Bottom Line
The Porsche Cayman wins on composite reliability across TÜV, ADAC, NHTSA, and DVSA MOT data — typically a sign of lower ownership risk and fewer recurring failure modes at age. The other car isn't necessarily wrong; check its issue list and price-to-condition ratio before deciding.