Comparison · European Market

Mercedes-Benz SLK-Class vs Porsche 718 Cayman

Side-by-side reliability, price, and known-issue comparison for the European used-car market. Composite scores come from TÜV (Germany), ADAC (pan-European), and NHTSA (US-sold variants).

M

Mercedes-Benz SLK-Class

2014–2016
Reliability composite
—
/ 100
No data
Catalogue price range
€43,525–€72,600
Documented issues
0
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P

Porsche 718 Cayman

2017–2017
Reliability composite
—
/ 100
No data
Catalogue price range
€53,900–€66,300
Documented issues
0
Analyze a listing →Full reliability report →

Bottom Line

These two are statistically tied on reliability composite. Decide based on the issue list, drive preference, and ownership cost projections — both are reasonable buys with similar long-term risk profiles. Plug your specific listing into the analyzer to factor in mileage, asking price, and current service history.

Deep dive →
Mercedes-Benz SLK-Class reliability
Deep dive →
Porsche 718 Cayman reliability