Red Porsche Boxster
Tech & Auto
Ranking The Most Reliable Convertibles of All Time
By JEFF HARPER and DAVE MCQUILLING
14. C Class Cabriolet
The Mercedes-Benz C Class Cabriolet has consistently placed high in J.D. Power's reliability rankings for its compact premium car class.
While the 2024 scored a 77, the C Class scored 79 in 2021 and 2020, 80 in 2019, and 81 in 2018. The 2014 model had a Consumer Rating of 85, making it one of the best.
13. MX-5
The Mazda MX-5 ranks at or near the top of every automobile magazine's list of most reliable convertibles, with J.D. Power rating it as the top sports car in 2011.
The 2011 Mazda MX-5 Miata convertible was equipped with a 2-liter I4 that generated 158 horsepower at 6700 rpm and a maximum torque of 140 lb-ft. at 5000 rpm.
12. LC 500
Loaded with premium materials, the Lexus LC 500 Convertible is an exquisite piece of craftsmanship that is far superior to that of a mass-produced M850i Convertible.
J.D. Power rates the Lexus 86/100 for Quality and Reliability. Although the 2021 model has incomplete data, Lexus has a long history of making resilient cars.
11. Z4 Roadster
The second-generation two-door BMW Z4 Roadster, produced from 2009 to 2016, was the first Z-Series model to employ a retractable hardtop roof.
Withclutch.com reviewed data from warranty companies, RepairPal, and long-term quality studies, giving the BMW Z4 Roadster a reliability score of 76.55 for reliability.
10. 911 Turbo S
The iconic Porsche 911 began in 1964 and has become one of the most reliable convertibles on the market, particularly the 2021 model.
J.D. Power rated the 2021 911 Turbo S convertible with an overall score of 79 out of 100 based on its standard criteria, which include driving experience, quality, and reliability.