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Chevrolet Blazer Reliability Grade

C+Overall

Average reliability

EngineC+
TransmissionC-

Grade a specific Chevrolet Blazer

Reliability changes from year to year. Pick a model year to see its grade, then add mileage and price to get a deal score and estimated miles remaining.

The Chevrolet Blazer earns a C+ overall reliability grade from GradeMyCar, with a C+ for its engine and a C- for its transmission. It ranks 10th of 23 midsize SUVs we grade. The transmission (C-) is the weaker of its two major components, so ask for transmission service records and pay close attention to shifting on a test drive. Grades are based on 636 owner complaints filed with NHTSA for the 2019-2023 model years, adjusted for how many were sold.

Chevrolet Blazer reliability by year

Overall grade for each model year, from owner complaints filed with NHTSA. Tap a year to see its full grade.

2019C2020D2021C+2022B2023B-2024C+

Years to avoid: 2020 (overheating / coolant leaks)

Faded years are recent, so fewer complaints have come in. Their grades may change.

How long does the Chevrolet Blazer last?

150,000Estimated lifespan (miles)

A rough estimate for the model across all years, not measured for each model year.

Known Chevrolet Blazer problems

We track 2 known problem areas for the Chevrolet Blazer, including which model years they affect. They're in the full report, along with miles remaining and a deal score for the car you're looking at.

See Blazer problems

Chevrolet Blazer vs. other midsize SUVs

ModelEngineTrans.Overall
Nissan Murano A A A
Toyota 4Runner A A A
Buick Enclave A- B+ A-
Toyota Highlander A- B- B+
Mazda CX-9 B- B+ B+
Subaru Outback B+ B B
Chevrolet Traverse B C+ B-
GMC Acadia B C B-
Dodge Journey B- B- B-
Honda Pilot C C+ C+
Nissan Pathfinder B- C C+
Subaru Ascent B C- C+
Chevrolet Blazer C+ C- C+
Dodge Durango B- C+ C+
Jeep Grand Cherokee C C- C
Volkswagen Atlas C- B C
Ford Explorer C+ C C-
Honda Passport C C C-
Hyundai Santa Fe D C- D
Kia Sorento D C- D
Ford Edge C D D
Hyundai Palisade D D F
Kia Telluride D D F

Most reliable midsize SUVs →

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Chevrolet Blazer reliability FAQ

Is the Chevrolet Blazer reliable?

Average reliability. The Chevrolet Blazer earns a C+ overall reliability grade from GradeMyCar, with a C+ for its engine and a C- for its transmission. It ranks 10th of 23 midsize SUVs we grade. The transmission (C-) is the weaker of its two major components, so ask for transmission service records and pay close attention to shifting on a test drive. Grades are based on 636 owner complaints filed with NHTSA for the 2019-2023 model years, adjusted for how many were sold.

How many miles will a Chevrolet Blazer last?

We estimate a well-maintained Chevrolet Blazer lasts around 150,000 miles. That's a rough figure for the model across all years, not measured for each model year, so check the grade for the year you're looking at.

What are the best years for the Chevrolet Blazer?

No Chevrolet Blazer model year stands out as exceptionally reliable in NHTSA owner complaints. The best-graded years are 2021, 2022 and 2023.

What Chevrolet Blazer years should I avoid?

Based on NHTSA owner complaints, the Chevrolet Blazer years to be most careful with are 2020. The 2020 grades a D overall (engine C-, transmission D), and its top engine/transmission problem is overheating / coolant leaks.

Is the Chevrolet Blazer transmission reliable?

GradeMyCar grades the Chevrolet Blazer transmission a C- (below-average reliability). Reliability varies by model year, so grade the specific year you're looking at.

Is the Chevrolet Blazer engine reliable?

GradeMyCar grades the Chevrolet Blazer engine a C+ (average reliability).