Reliable Auto DB

2020 Chevrolet Blazer reliability

Is it reliable?

Owners have filed 219 complaints with NHTSA about the 2020 Chevrolet Blazer over 7 years — 6 per year. That is fewer complaints per year than most Blazer years here — under the median of the other years, which is 9. NHTSA has 3 recalls on file, including Tires, Automatic transmission, and Inflator.

2019 Chevrolet Blazer
Photo by Kevauto, resized from the original. Wikimedia Commons CC BY-SA 4.0
Complaints

219

Per year

6

Recalls

3

Years on the road

7

What owners report

The complaints owners file most often name Electrical system (76 of 219), then Powertrain (73) and Engine (68). Those filings include 5 that report a crash and 6 that report an injury.

Next to 2019 and 2021

The 2019 Blazer has 186 complaints, 5 per year, and the 2021 has 133 complaints, 9 per year. The 2020 has more complaints per year than the 2019. The 2020 has fewer complaints per year than the 2021.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2020 Chevrolet Blazer. How we count. Data as of .

Recalls (3)

Recall Tires 2021-02-25 · NHTSA campaign 21V115000
Summary General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
Remedy GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212329050.
Recall powertrain, automatic transmission 2020-10-29 · NHTSA campaign 20V668000
Summary General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
Remedy GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
Recall air bags, side and window, curtain, inflator 2020-07-30 · NHTSA campaign 20V446000
Summary General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.
Remedy GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is N202305380.

Complaints by component (219 total)

Electrical system
76
Powertrain
73
Engine
68
Steering
41
Service brakes
10
Lane departure
5
Fuel and propulsion system
4
Speed control
4
Suspension
4
Air bags
3
Engine and engine cooling
3
Forward collision avoidance
3
Tires
3
Wheels
3
Exterior lighting
1
Fuel system, gasoline
1
Hydraulic brakes
1
Seat belts
1
Seats
1
Structure
1
Show 12 more Show less
Crash-flagged

5

Fire-flagged

0

Injury reports

6

Death reports

0

Complaints filed per year

220207202192022132023522024842025522026
Excerpts from recent NHTSA complaint filings
  • "Power steering went out while driving making it impossible to steer."
    Steering · filed 2026-09-21
  • "This happened back in May and the dealership couldn’t find anything wrong and it happened again today. I am driving and the car will shut off. A message pops up saying shift to neutral and press start again. It’s very…"
    Powertrain, Electrical system, Unknown or other · filed 2026-09-19
  • "The contact owns a 2020 Chevrolet Blazer. The contact stated that while starting the vehicle, the brake pedal became inoperable. There was no warning light illuminated. The contact stated that excessive force was needed…"
    Electrical system · filed 2026-09-14
  • "The contact owns a 2020 Chevrolet Blazer. The contact stated that while operating the vehicle, the check engine warning light intermittently illuminated, and the vehicle hesitated while accelerating. The vehicle was…"
    Engine and engine cooling · filed 2026-09-14
  • "The screen displayed shift to park. The car wouldn’t not recognize it was in park. Had to hit the shifter to get the car to recognize it was in park or it wouldn’t let you turn the car off. There was nothing other than…"
    Unknown or other · filed 2026-09-11

NHTSA crash ratings

Version Overall Front Side Rollover
2020 Chevrolet Blazer SUV AWD 5 stars 5 stars 5 stars 4 stars
2020 Chevrolet Blazer SUV FWD 5 stars 5 stars 5 stars 4 stars

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
Blazer all-wheel drive 3.6L, 6-cyl Automatic 9-speed All-wheel drive 18 25 21 MPG $3100
Blazer all-wheel drive 2L, 4-cyl Automatic 9-speed All-wheel drive 21 27 23 MPG $2800
Blazer front-wheel drive 3.6L, 6-cyl Automatic 9-speed Front-wheel drive 19 26 21 MPG $3100
Blazer front-wheel drive 2L, 4-cyl Automatic 9-speed Front-wheel drive 21 28 24 MPG $2700
Blazer front-wheel drive 2.5L, 4-cyl Automatic 9-speed Front-wheel drive 21 27 23 MPG $2800

Specs and fitment

Crossover (current nameplate), 2019–present
Body styles SUV
Oil 0W-20 (2.0L turbo and 3.6L V6) , 6 qt capacity
Tire size 235/60R19 to 265/45R21 (trim-dependent)

Known issues for this generation

Recall 20V-668 covers certain 2019-2020 Chevrolet Blazer vehicles among other GM crossovers: the start/stop transmission accumulator end cap may have missing bolts, which can lead to a transmission fluid leak and possible loss of propulsion. Recall 23V-042 covers certain 2023 Blazer and Traverse vehicles: left-side half-shaft assemblies may be missing a retaining ring, which can allow the half shaft to disengage. Recall 23V-869 covers certain 2024 Blazer vehicles: door strikers may fracture and allow a door to open unexpectedly.

Compare

Previous year 2019 Chevrolet Blazer Next year 2021 Chevrolet Blazer See every Chevrolet Blazer model year →

Frequently asked questions

Is the 2020 Chevrolet Blazer reliable?

Owners have filed 219 complaints with NHTSA about the 2020 Chevrolet Blazer over 7 years — 6 per year. That is fewer complaints per year than most Blazer years here — under the median of the other years, which is 9. NHTSA has 3 recalls on file, including Tires, Automatic transmission, and Inflator.

What are common problems with a 2020 Chevrolet Blazer?

The complaints owners file most often name Electrical system (76 of 219), then Powertrain (73) and Engine (68). Those filings include 5 that report a crash and 6 that report an injury.

Is the 2020 Chevrolet Blazer more reliable than the years next to it?

The 2019 Blazer has 186 complaints, 5 per year, and the 2021 has 133 complaints, 9 per year. The 2020 has more complaints per year than the 2019. The 2020 has fewer complaints per year than the 2021.

Has the 2020 Chevrolet Blazer been recalled?

The 2020 Chevrolet Blazer has 3 recalls on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2020 Chevrolet Blazer?

Owners have filed 219 complaints about the 2020 Chevrolet Blazer with NHTSA.

What mpg does a 2020 Chevrolet Blazer get?

EPA-rated combined fuel economy for the 2020 Chevrolet Blazer is 22.4 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

Is the modern Chevrolet Blazer a body-on-frame SUV?

No. The 2019+ Blazer is a unibody crossover distinct from the historical K5 Blazer.

What oil does a 2019+ Chevrolet Blazer take?

0W-20 for both the 2.0L turbo and 3.6L V6 common US powertrains. Confirm the filler-cap grade.

What does recall 20V-668 cover on early Blazers?

Certain 2019-2020 Blazer vehicles among other GM crossovers: the start/stop transmission accumulator end cap may have missing bolts, which can lead to a transmission fluid leak and possible loss of propulsion.