Most Reliable 2016 Coupes and Convertibles Over $50,000

Christian Wardlaw | Aug 18, 2016
2016 Porsche 911 Targa 4 GTS photo

Yes, you can combine style, fun, and the wind in your hair with a concept as plainly practical as reliability. This list of reliable coupes and convertibles priced over $50,000 demonstrates it.

To determine which models are likely to be the most dependable in the future, J.D. Power conducts annual surveys of thousands of new- and used-car owners. Based on the information collected in the Vehicle Dependability Study (VDS) and Initial Quality Study (IQS), the company calculates Power Circle Ratings that predict how reliable a model might be.

Listed on the pages that follow, in alphabetical order and according to J.D. Power, are the top-rated coupes and convertibles for predicted reliability that are priced at over $50,000. Do note that the individual ratings are reflective of each model’s likely reliability in comparison with competitors in the same market segment, and are not intended for cross-comparison between segments.

2016 Cadillac ELR

2016 Cadillac ELR photo

Cadillac’s stylish extended-range electric car, the ELR, receives a new drivetrain for 2016, improving power output. Engineers also upgraded the car’s driving dynamics, enhanced the infotainment system, and offered a new Performance package. Alas, the changes could not save the ELR, and this 4-passenger coupe has gone out of production.

The 2016 ELR receives an overall predicted reliability Power Circle Rating of 4 out of 5.

2016 Mercedes-AMG GT

2016 Mercedes-AMG GT S photo

A vessel containing the automaker’s purist performance engineering capabilities, the Mercedes-AMG GT is a 2-seat sports car equipped with a hand-built, twin-turbocharged V-8 engine offered in two different states of tune. A sizable trunk sits beneath the rear liftback, and Mercedes provides a long menu of colors, interior materials, and options for the GT.

The 2016 AMG GT receives an overall predicted reliability Power Circle Rating of 4 out of 5.

2016 Mercedes-Benz E-Class

2016 Mercedes-Benz E550 Cabriolet photo

Built on a different platform than the E-Class sedan and station wagon, the coupe and convertible versions are smaller than their stablemates. They are also among the handful of Mercedes-Benz models that are unavailable in performance-tuned AMG trim, leaving a choice between turbocharged 6-cylinder or 8-cylinder engines.

The 2016 E-Class receives an overall predicted reliability Power Circle Rating of 4 out of 5.

2016 Mercedes-Benz SL-Class

2016 Mercedes-Benz SL Special Edition Mille Miglia 417 photo

With a rich history dating to the mid-1950s, the Mercedes-Benz SL is the automaker’s flagship grand touring car, equipped with seating for 2 people and a power-retractable hardtop that transforms it from a coupe into a convertible. Turbocharged engines include V-6, V-8, and V-12 configurations, and the SL is available in two different states of AMG performance tuning in addition to SL450 and SL550 model series.

The 2016 SL-Class receives an overall predicted reliability Power Circle Rating of 4 out of 5.

2016 Porsche 911

2016 Porsche 911 Targa 4 GTS photo

Porsche’s iconic, rear-engine 911 sports car is available in coupe and convertible format, and in a dizzying array of model variants delivering various levels of power, performance, and exclusivity. The 2016 model year is the final one to offer a normally aspirated engine in the 911. In 2017, turbocharging becomes standard equipment.

The 2016 911 receives an overall predicted reliability Power Circle Rating of 5 out of 5.

2016 Porsche Boxster

2016 Porsche Boxster Syder photo

Consumers seeking Porsche’s most affordable performance package choose the Boxster, a 2-seat roadster with a mid-mounted engine. Providing various levels of power and performance, the lineup adds a high-priced, lightweight Spyder variant for the 2016 model year. For 2017, the Boxster becomes the 718 Boxster and receives a significant refresh.

The 2016 Boxster receives an overall predicted reliability Power Circle Rating of 5 out of 5.

2016 Porsche Cayman

2016 Porsche Cayman S photo

Whereas the Porsche 911 is considered by many to be the ultimate expression of the company’s sports car range, it is the Cayman that is arguably the best performer. A closed-roof version of the mid-engine Boxster, the Cayman is smaller, lighter, and less expensive than a 911, but delivers performance on par with the standard 911 Carrera models. In 2017, the Cayman will receive numerous changes and become the 718 Cayman.

The 2016 Cayman receives an overall predicted reliability Power Circle Rating of 4.5 out of 5.

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