2005 Chevrolet Blazer Problems
- Complaints
- 15filed with NHTSA
- Median mileage
- 75,000miles, 9 complaints with mileage
- Recalls
- 0campaigns on record
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
- NHTSA crash rating
- —overall rating starts with 2011 models
- EPA fuel economy
- 17 mpgcombined, 4.3L 6-cyl RWD · 15 city / 20 hwy
Sources: NHTSA records for the 2005 Chevrolet Blazer (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error
NHTSA recorded 15 consumer complaints for the 2005 Chevrolet Blazer. The part named most often is fuel system, with 7 complaints (47% of the total), followed by electrical system (4) and air bags (1). 9 of the complaints include a mileage, and 22% of those were filed for vehicles with under 50,000 miles; the median is 75,000 miles. Of all complaints, 2 a fire, according to the filers. NHTSA lists 0 recall campaigns and 486 technical service bulletins for this model year. Fuel system complaints overlap with 19 technical service bulletins filed under the same part. Electrical system complaints overlap with 98 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Fuel system7 47%
- Electrical system4 27%
- Air bags1 6.7%
- Engine cooling1 6.7%
- Exterior lighting1 6.7%
- Body and structure1 6.7%
- Vehicle speed control1 6.7%
Example complaints
Fuel system: “Gm 05 trailblazer fuel sending unit NHTSA recall campaign number: dp10001 n/a make: Chevrolet model: trailblazer manufacturer : general motors corp. Year : 2005 component : fuel system, gasoline:delivery:fuel pump date investigation opened : january 7, 2010 date investigation closed : open.”
NHTSA complaint #10368610, filed 2010-12, 60,000 milesElectrical system: “I was returning from las vegas on a ruff paved desert hwy in my 2005 5 speed 2 door chevy Blazer when I notice a slight smell of electrical smoke. I turned on the dome light and notice the turning signal switch arm bouncing a lot with some smoke coming out there at the column ! I slowed from 65 to 40 with my flashers on, problem solved . Got back on a smooth free way at 65 with no smoke. The switch arm got sloppier over time but still worked for about six months. …”
NHTSA complaint #10630515, filed 2014-09, 77,333 milesEngine cooling: “2005 chevy Blazer was parked in front of driver's home and just went up in a blaze of fire consuming most of the vehicle. Only had about 35k miles on it. This was a police vehicle.”
NHTSA complaint #10325454, filed 2010-04Mileage when problems were reported
22% of the 9 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 55,000 and 77,333 miles.
Complaints by year filed
Trend: stable. Complaints filed in the last 3 full calendar years are within 25% of the 3 years before.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2005 Chevrolet Blazer. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| Blazer · coupe | not rated | 3 / 4 | — | — | — |
Ratings before the 2011 model year come from an older, less demanding test and are not comparable with ratings for 2011 and later.
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Fuel economy and running cost
EPA ratings for each 2005 Chevrolet Blazer version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| Blazer 2WD | 4.3L 6-cyl | 4-speed automatic | 15 | 20 | 17 | $3,950 |
| Blazer 2WD | 4.3L 6-cyl | 5-speed manual | 14 | 20 | 16 | $4,200 |
| Blazer 4WD | 4.3L 6-cyl | 4-speed automatic | 14 | 18 | 15 | $4,450 |
| Blazer 4WD | 4.3L 6-cyl | 5-speed manual | 13 | 17 | 15 | $4,450 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
NHTSA lists no recall campaigns for the 2005 Chevrolet Blazer in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 486 on record; the latest 10 are shown.
- 11020816Jul 18, 2025Other or unknown. This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- 11019074May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
- 11019073May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
- 11019072May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
- 11018647May 20, 2025Other or unknown. This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the…
- 11014455Feb 20, 2025Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get…
- 11011782Dec 7, 2024Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is…
- 11009156Oct 25, 2024Electrical system. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester…
- 11007744Sep 12, 2024Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical…
- 11007743Sep 12, 2024Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical…
Other model years of the Chevrolet Blazer
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2025 | 34 | 14,500 | 1 | 5 | 25 | Too new to compare | Too new |
| 2024 | 52 | 29,000 | 1 | 5 | 25 | Too new to compare | Too new |
| 2023 | 44 | 20,000 | 2 | 5 | 25 | 50 · Typical | Too new |
| 2022 | 54 | 66,250 | 1 | 5 | 25 | 17 · Fewer | Rising |
| 2021 | 141 | 36,232 | 1 | 5 | 23 | 53 · Typical | Rising |
| 2020 | 224 | 49,500 | 3 | 5 | 23 | 70 · More | Rising |
| 2019 | 189 | 26,700 | 2 | 5 | 24 | 50 · Typical | Rising |
| 2008 | 5 | 80,364 | 0 | — | — | — | Not enough data |
| 2007 | 9 | 62,000 | 0 | — | — | — | Not enough data |
| 2006 | 19 | 75,200 | 0 | — | — | — | Stable |
| 2005 | 15 | 75,000 | 0 | — | 17 | — | Stable |
| 2004 | 50 | 38,000 | 1 | — | 16 | Not compared (before 2008) | Stable |
| 2003 | 77 | 44,500 | 1 | — | 17 | Not compared (before 2008) | Stable |
| 2002 | 246 | 59,000 | 2 | — | 17 | Not compared (before 2008) | Falling |
| 2001 | 326 | 62,102 | 3 | — | 17 | Not compared (before 2008) | Falling |
| 2000 | 589 | 65,000 | 4 | — | 18 | Not compared (before 2008) | Falling |
| 1999 | 436 | 76,000 | 0 | — | 17 | Not compared (before 2008) | Stable |
| 1998 | 716 | 70,000 | 3 | — | 18 | Not compared (before 2008) | Falling |
| 1997 | 768 | 85,000 | 4 | — | 19 | Not compared (before 2008) | Rising |
| 1996 | 1,153 | 83,900 | 6 | — | 18 | Not compared (before 2008) | Rising |
| 1995 | 1,224 | 97,610 | 6 | — | 18 | Not compared (before 2008) | Stable |
| 1994 | 620 | 118,000 | 2 | — | 13 | Not compared (before 2008) | Stable |
| 1993 | 511 | 120,000 | 2 | — | 13 | Not compared (before 2008) | Stable |
| 1992 | 278 | 84,000 | 2 | — | 13 | Not compared (before 2008) | Falling |
| 1991 | 222 | 110,000 | 4 | — | 13 | Not compared (before 2008) | Falling |
| 1990 | 32 | — | 1 | — | 13 | Not compared (before 2008) | Stable |
| 1989 | 38 | — | 1 | — | 14 | Not compared (before 2008) | Stable |
| 1988 | 40 | 85,000 | 1 | — | — | Not compared (before 2008) | Stable |
| 1987 | 30 | 106,000 | 0 | — | — | Not compared (before 2008) | Stable |
| 1986 | 19 | — | 0 | — | — | — | Stable |
| 1985 | 29 | — | 0 | — | — | Not compared (before 2008) | Stable |
| 1984 | 9 | — | 1 | — | — | — | Not enough data |
All Chevrolet Blazer model years · Best and worst years by complaints
Frequently asked questions
How many NHTSA complaints does the 2005 Chevrolet Blazer have?
NHTSA recorded 15 consumer complaints for the 2005 Chevrolet Blazer as of Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2005 Chevrolet Blazer is reported most often?
Fuel system is named most often, in 7 complaints (47% of the total), followed by electrical system with 4.
Has the 2005 Chevrolet Blazer been recalled?
NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 2005 Chevrolet Blazer get?
The EPA rates the 2005 Chevrolet Blazer (Blazer 2WD, 4.3L 6-cyl) at 17 mpg combined, 15 city and 20 highway, with an estimated annual fuel cost of $3,950 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 2005 Chevrolet Blazer reported?
Among the 9 complaints that include a mileage, the median is 75,000 miles and the middle half falls between 55,000 and 77,333 miles; 22% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.