NHTSA lists 2 safety recalls and 44 owner complaints for the 2023 Chevrolet Blazer. Most complaints involve engine (12) and service brakes (10). The EPA rates it 21–25 mpg combined, and NHTSA gives it 5 stars overall.
General Motors, LLC (GM) is recalling certain 2023 Cadillac XT6, GMC Acadia, Chevrolet Blazer, Traverse, and 2022-2023 Cadillac XT5 vehicles. The transmission may have been built with an incorrect sun gear, which can result in the driver-side half-shaft disengaging from the transmission.
General Motors, LLC (GM) is recalling certain 2023 Chevrolet Blazer and Traverse vehicles. The left-side half-shaft assemblies may be missing a retaining ring.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Complaints for each Blazer model year we’ve synced.
| Model year | NHTSA complaints |
|---|---|
| 1996 | 1,161 |
| 1997 | 774 |
| 1998 | 734 |
| 1999 | 442 |
| 2000 | 600 |
| 2001 | 331 |
| 2002 | 259 |
| 2003 | 104 |
| 2004 | 50 |
| 2005 | 15 |
| 2019 | 190 |
| 2020 | 224 |
| 2021 | 142 |
| 2022 | 55 |
| 2023 | 44 |
| 2024 | 133 |
| 2025 | 56 |
| 2026 | 1 |
“The vehicle’s radiator developed a coolant leak that was discovered and confirmed by the dealership during a routine oil change, tire rotation and state inspection. There were no warning lights, warning messages prior to the dealership discovering the leak. The radiator required replacement. The dealership also told me that they had the replacement radiator on hand because this type of radiator failure had been occurring fairly often with this type of vehicle. The radiator failure presented a potential safety concern because a coolant leak can worsen without warning and result in a sudden loss of coolant, engine overheating, or vehicle breakdown while driving. Because there were no warning lamps or other symptoms before the leak was discovered, we may not have had any indication that the cooling system was failing. The problem was confirmed by the dealership during inspection, and the dealership determined that the radiator was leaking and needed to be replaced. The vehicle/component was inspected by the dealership. No manufacturer, police, or insurance inspection has occurred, to my knowledge. There were no warning lamps, messages, overheating, or other…”
“2023 Chevrolet Blazer 42334 miles 9/18/2026 Component failed: 2023 Blazer RS eBoost system. Integrated electronic brake booster / master cylinder / brake pedal sensor assembly. Component available for inspection. Same left front corner had frozen caliper FRC13443C at 37,940 miles June 2025 to pass inspection, sold as certified at 38,038 miles. Vehicle currently 42,334 miles. Safety risk: Hard brake pedal, loss of brake assist, increased stopping distance. Same condition reported before front collision August 2025. Left front remains hot. Driver scared to drive. NHTSA EA26006 open for eBoost 2023 Blazer describes same failure - spindle fracture, loss of ABS/stability, 21 crashes. Reproduced/confirmed: Yes. Independent shop A+ Automotive RO 82780 Sept 15 2026 confirmed hard pedal remains after full bleed, measured 8mm front/rear. Second shop Sept 17 2026 confirmed system is all-wire eBoost, no vacuums, no vacuum leaks possible. Dealer Sept 16-17 2026 stated "checked vacuum on the brakes no leaks" and "pedal fine braking normal" on eBoost vehicle that has no vacuum. Inspected by others: Manufacturer not yet. Dealer inspection 09/16-17/26 misdiagnosed as vacuum…”
“The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving 10 MPH and pulling into a parking lot, the sun gear and the drive shaft fractured. The vehicle became inoperable. The vehicle was pushed to a safe place. The check engine warning light illuminated after the failure. The contact associated the failure with NHTSA Campaign Number: 23V172000 (Power Train). The vehicle was towed on a flatbed to the local dealer. The vehicle was not diagnosed or repaired. The dealer provided an estimate for the transmission replacement. The manufacturer was contacted and confirmed that there was no recall coverage on the VIN for the failure. The manufacturer referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 107,000.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Blazer FWD Auto 9-spd, 4 cyl, 2.0 L, Turbo · Front-Wheel Drive | 22 | 29 | 25 | $2,500 | 365 |
| Blazer AWD Auto 9-spd, 4 cyl, 2.0 L, Turbo · All-Wheel Drive | 22 | 27 | 24 | $2,600 | 368 |
| Blazer FWD Auto 9-spd, 6 cyl, 3.6 L · Front-Wheel Drive | 19 | 27 | 22 | $2,850 | 404 |
| Blazer AWD Auto 9-spd, 6 cyl, 3.6 L · All-Wheel Drive | 19 | 26 | 21 | $2,950 | 417 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
2 safety recalls as of Nov 10, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 44 complaints with NHTSA. The most-cited components are engine (12), service brakes (10), power train (10). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2023 Chevrolet Blazer at 21–25 mpg combined, depending on engine and drivetrain (4 versions rated).
NHTSA's New Car Assessment Program gives the 2023 Chevrolet Blazer 5 out of 5 stars overall.