Reliability is the top priority for people when they choose a car. Some car brands have set themselves apart by consistently producing engines that deliver dependable performance year after year. In this article, we have chosen the top car brands known for their reliable engines based on insights from the J.D. Power 2025 US Vehicle Dependability Study.
Lexus
Known for its exceptional engineering and longevity, Lexus has built a solid reputation since its debut in 1989. It is a leader in vehicle dependability and has ranked the highest for the third consecutive year with a score of 140 problems per 100 vehicles (PP100).
Lexus follows the philosophy of monozukuri, which emphasizes meticulous craftsmanship, ensuring high-quality and durable cars. Its maintenance costs, averaging $551 annually, are relatively affordable for luxury cars. Lexus spare parts are also readily available, making it the top choice for new and used car buyers.
Buick
Buick secured first place in the mass market segment of JD Power’s study with a reliability score of 143 problems per 100 vehicles. Known for its durable and long-lasting engines, Buick has garnered accolades for models like the 2.0L Ecotec Gen 2 turbocharged engine and the iconic 3800 Series II V6.
Praised for above-average reliability and affordable repair costs, Buick vehicles stand out for their reduced need for shop visits. This highlights the brand’s commitment to quality engineering and dependable performance.
Mazda
Mazda is well known for creating reliable engines that combine strong performance with great value. With a reliability score of 161 problems per 100 vehicles, the brand’s gas and diesel powertrains have powered everything from lightweight roadsters to commercial trucks for decades.
Innovative designs, like the Skyactiv-G series, prioritize fuel efficiency and driving dynamics. They also have advanced transmission systems, like the seamless six-speed automatic. Mazda focuses on reliability, delivering smooth and long-lasting performance for its drivers.
Toyota
Toyota’s commitment to reliable engineering is evident from its third rank in the mass market segment and fourth overall. It achieved a score of 162 problems per 100 vehicles (PP100). The Toyota Production System (TPS) ensures thorough quality control at every step.
Its significant investment of over $1.1 million per hour in research and development drives innovation and safety. By prioritizing meticulous craftsmanship and maintaining a strong focus on dependability, Toyota has become a global benchmark for reliable engines.
Cadillac
Cadillacs are celebrated as symbols of luxury and performance. They have a legacy of strength, speed, and stability. Thanks to the StabiliTrak system and an advanced electronic stability control feature, Cadillac ensures a secure and confident driving experience.
Cadillac’s impressive engine lineup includes V6s, V8s, and turbocharged options, which deliver power outputs ranging from 355 hp to an extraordinary 650 hp. Cadillac’s direct injection technology enhances acceleration, which rivals the speed of many sports cars.
Its reliability score of 169 problems per 100 vehicles reflects its steady commitment to quality.
Chevrolet
Chevrolet is a trusted name among car enthusiasts and everyday drivers alike. It stands out as one of the largest American automakers with a legacy of iconic and reliable engines.
Chevrolet earned a score of 169 problems per 100 vehicles in JD Power’s study.
From the classic small-block V8 to modern turbocharged four-cylinders, Chevrolet has consistently innovated with each generation of engines. The brand believes in blending durability with cutting-edge technology. These engines are reliable and robust, working well for both muscle cars and pickups.
GMC
GMC, known for its powerful engines, earned a score of 169 problems per 100 vehicles. Its 6.2L V8 engine, recognized by WardsAuto as one of the “Best Engines,” showcases GMC’s commitment to performance and advanced technology.
The innovative 2.7L Turbo engine has also earned praise for its efficiency and power.
GMC vehicles consistently rank high in J.D. Power’s Initial Quality Study, reflecting strong customer satisfaction with engine reliability.
Porsche
Porsche remains synonymous with luxury, durability, and exhilarating driving experiences. The brand ranks second among premium brands in dependability, with a score of 186 problems per 100 vehicles, reflecting its commitment to exceptional engineering and performance.
Porsche is famous for crafting powerful engines and pioneering innovations like galvanizing cars. Its vehicles are designed to last between 100,000 and 150,000 miles. The iconic 911 showcases the brand’s legendary quality, which extends to sedans like the Panamera and the all-electric Taycan and SUVs like the Cayenne and Macan.
BMW
BMW is known for its innovation and dependability. It consistently delivers engines that cater to diverse driving needs. With a reliability score of 189 problems per 100 vehicles (PP100), standout options include the robust M54 and N52 inline-six engines and the B58 inline-six, which won the prestigious “International Engine of the Year” award in 2019.
While the N63 V8 has improved over time, BMW’s dedication to engineering excellence is reflected in consumer surveys and the enduring satisfaction of its drivers.
MINI
J.D. Power once named the MINI Cooper the most dependable compact car, and the brand still has a strong reputation for reliability and excellent engineering. In the 2024 study, MINI ranked in the top ten overall dependability with a score of 190 problems per 100 vehicles.
MINI is known for producing reliable and versatile engines manufactured with precision at BMW’s UK and Austrian plants. MINI offers a range of engine options tailored to different needs—from the fuel-efficient 1.5L turbocharged three-cylinder to the powerful 2.0L turbocharged four-cylinder and the eco-friendly electric variant.
Kia
Kia, with a reliability score of 196 problems per 100 vehicles, benefits from its shared engineering with Hyundai. It uses reliable powertrains like the Kappa, Gamma, and Theta engines. Kia also produces its own engines, such as the 1.7-litre diesel, at its Slovakia facility.
While most engines are dependable and contribute to the brand’s strong reputation, some models have faced engine failures due to oil flow defects. Despite these challenges, Kia engines remain a significant factor in the brand’s appeal.
Honda
Honda achieved a reliability score of 201 problems per 100 vehicles, thanks to its engineering expertise and unwavering commitment to quality. Through meticulous analysis of failure points, the company strengthens components to ensure lasting durability.
Honda’s engines are highly regarded for their exceptional efficiency, performance, and longevity, driven by innovations like improved combustion and reduced friction. Honda is known for its careful design and precise manufacturing, which has created engines that last for hundreds of thousands of miles.
