Least reliable cars: Chevrolet Colorado

One of the main reasons people buy a brand-new car is the promise of a no-hassle ownership experience, free from the drip-drip-drip of service problems that set in as cars age. Nonetheless, CR’s exclusive Auto Survey tells us that some buyers will be taking their brand-new car back to the dealer’s service department sooner and more often than other car buyers will.

The models featured here are the 10 least reliable vehicles. (For more details, check our Guide to Car Reliability.)

Our survey takes a deep dive into the numerous things that can go wrong with a vehicle. We study 17 trouble areas, from nuisances—such as squeaky brakes and broken interior trim—to major bummers, such as out-of-warranty transmission repairs and trouble with four-wheel-drive systems. 

More on Car Reliability

We weight the severity of each type of problem to create a predicted-reliability score for each vehicle.

Based on that analysis, these models are the least reliable. They are presented in rank order, counting down to the least reliable model. Each is shown with its reliability score.

For more details on each model's reliability history, click through to their respective model pages.

See our complete guide to car reliability and our reliability FAQ for more information on how we survey and analyze reliability data. 

Chevrolet Colorado - Reliability: 4

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2020 Chevrolet Colorado

Price Range: $21,300 - $43,000

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Chevrolet Camaro - Reliability: 5

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2020 Chevrolet Camaro

Price Range: $25,000 - $69,000

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Jeep Wrangler - Reliability: 12

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2020 Jeep Wrangler

Price Range: $28,295 - $42,195

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Alfa Romeo Giulia - Reliability: 13

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Volkswagen Atlas - Reliability: 13

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2020 Volkswagen Atlas

Price Range: $31,545 - $49,195

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Volkswagen Tiguan - Reliability: 15

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2020 Volkswagen Tiguan

Price Range: $24,945 - $38,795

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Acura MDX - Reliability: 15

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2020 Acura MDX

Price Range: $44,500 - $61,750

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Tesla Model X - Reliability: 15

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2020 Tesla Model X

Price Range: $79,990 - $99,990

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Chrysler Pacifica - Reliability: 16

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2020 Chrysler Pacifica

Price Range: $34,045 - $45,845

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Chevrolet Traverse - Reliability: 18

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2020 Chevrolet Traverse

Price Range: $29,800 - $53,200

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