Reliability is one of the most important qualities in a car. No one wants a vehicle that constantly breaks down and needs costly repairs. But, with so many options on the market, how can you find the most dependable models?

Whether you’re shopping for a new car or simply want to understand what makes a reliable vehicle, find out what factors affect dependability and what the most and least reliable car brands are here.

 

What Is a Car Reliability Index?

A car reliability index measures how dependable a vehicle is by assessing various parts and systems. It provides a numerical score that allows consumers to easily compare the performance of different makes and models. The higher the score, the more reliable the car is expected to be.

These reliability indexes are typically compiled by independent organizations, such as consumer publications and industry associations, that gather data through surveys, owner feedback, and research.

 

What Factors Contribute to a Car’s Reliability Score?

When it comes to assessing a car’s reliability, several factors come into play. These can vary depending on the organization conducting the evaluation, but generally, they include: 

1. Major and Minor Engine Issues: The frequency and severity of problems like engine failure, oil leaks, and misfiring. 

2. Fuel System and Emissions Performance: How reliable the vehicle’s fuel system is, including the fuel pump, injectors, and emissions control. 

3. Braking System: The performance and reliability of the car’s brake pads, calipers, and rotors. 

4. Suspension and Steering: Measures the car’s shocks, struts, and power steering reliability. 

5. Body and Interior: The overall build quality and structural integrity of the car’s doors, windows, and upholstery. 

6. Electrical Systems: This test determines the dependability of the vehicle’s wiring, sensors, and advanced technology features, such as infotainment systems. 

 

Where to Find Reliability Scores

 

Consumer Reports

Consumer Reports is one of the most well-known and respected sources for car reliability data.  Their annual auto reliability brand rankings provide a look at the predicted reliability of different car brands, with a focus on factors like mechanical issues, fuel economy, and owner satisfaction.

 

J.D. Power

J.D. Power is another industry leader in car reliability research. Their U.S. Vehicle Dependability Study measures problems experienced by original owners of three-year-old vehicles, covering categories like exterior, driving experience, features and controls, and infotainment systems.

 

IIHS Safety Ratings

While not directly focused on reliability, the safety ratings published by the Insurance Institute for Highway Safety (IIHS) can also provide insight into a car’s overall quality and dependability. This IIHS evaluates vehicles on crash test performance and other safety criteria. Their Top Safety Pick and Top Safety Pick + awards highlight the best and safest choices in different size categories.

 

The Most Reliable Car Brands

Industry studies and reports consistently show certain brands as the most reliable. Top performers include:

• Lexus: Consistently ranking at the top of reliability surveys, Lexus is known for exceptional build quality and low repair costs. 
• Toyota: Trusted for durable, long-lasting vehicles like the Camry and Corolla. 
• Porsche: Excels in reliability with its high-performance sports cars. 
• Genesis: Hyundai’s luxury division is praised for durability and low maintenance. 
• Kia: Another Korean automaker that offers long-term dependability and cost-effective ownership.

Overall, these brands are known for their quality engineering and focus on customer satisfaction.

 

The Least Reliable Car Brands

While some car brands are clearly known for their reliability, others fall short, including, but not limited to:

• Jeep: Often has issues with electronic and powertrain components. 
• Land Rover: Frequently experiences mechanical problems and costly repairs. 
• Volvo: Known for safety but struggles with electric and transmission issues. 
• Acura: Less reliable than its parent company, Honda. 
• GMC: Prone to engine failures, electrical glitches, and transmission problems.

Keep in mind that reliability can vary within a brand’s lineup, so always research specific models before buying.

 

Think Your Car Is a Lemon? Contact Norman Taylor & Associates Today!

Does your 2019 or newer vehicle have constant problems? You might have a “lemon.” The experienced team at Norman Taylor & Associates specializes in California lemon law cases and advocates for clients stuck with unreliable cars.

If your vehicle has a substantial defect that hasn’t been fixed after a reasonable amount of repair attempts, call 818-244-3905 or contact us today to schedule a FREE consultation.

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