1986 Chevrolet S10 Problems
- Complaints
- 22filed with NHTSA
- Median mileage
- —no mileage reported
- Recalls
- 1campaigns 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
- 20 mpgcombined, 2.5L 4-cyl RWD · 18 city / 24 hwy
Sources: NHTSA records for the 1986 Chevrolet S10 (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 22 consumer complaints for the 1986 Chevrolet S10. The part named most often is seat belts, with 6 complaints (27% of the total), followed by brakes (3) and fuel system (2). Of all complaints, 4 involved a crash, 3 an injury, according to the filers. NHTSA lists 1 recall campaign and 0 technical service bulletins for this model year.
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.
- Seat belts6 27%
- Brakes3 14%
- Fuel system2 9.1%
- Interior lighting2 9.1%
- Seats2 9.1%
- Tires2 9.1%
- Electrical system1 4.5%
- Engine cooling1 4.5%
- Other or unknown1 4.5%
Also reported: Steering (1), Suspension (1), Transmission and drivetrain (1), Vehicle speed control (1).
Example complaints
Brakes: “Upon coming tp stop sign applied brakes to slow down to 20 MPH but load in box of truck started to shift. Let up on brakes. When brakes were reapplied, pedal went to the floor, vehicle did not stop went into a ditch and rolled over twice. Right front brake hose broke.”
NHTSA complaint #819081, filed 1997-12Fuel system: “Fuel tank is leaking fuel due to corrosion.consumer beleived this condition is due to manufacturing defect. Vehicle only has 74,000 miles of wear. Dealer was not notified.”
NHTSA complaint #828787, filed 1998-10Interior lighting: “The lights in the dash either stay on and you have to take the bulbs out for them to not light. Also all the lights in the dash flicker whenever you stop or excillerate. You push in the lighter you lose the radio and everything on that fuse. Has been fixed once before but the problem came back.”
NHTSA complaint #752656, filed 2001-09Complaints by year filed
Trend: stable. Complaints filed in the last 3 full calendar years are within 25% of the 3 years before.
Fuel economy and running cost
EPA ratings for each 1986 Chevrolet S10 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 |
|---|---|---|---|---|---|---|
| S10 Blazer 2WD | 2.5L 4-cyl | 5-speed manual | 20 | 26 | 22 | $3,050 |
| S10 Blazer 2WD | 2.5L 4-cyl | 4-speed automatic | 18 | 24 | 20 | $3,350 |
| S10 Blazer 2WD | 2.5L 4-cyl | 4-speed manual | 18 | 24 | 20 | $3,350 |
| S10 Blazer 2WD | 2.8L 6-cyl | 4-speed automatic | 15 | 19 | 17 | $3,950 |
| S10 Blazer 2WD | 2.8L 6-cyl | 4-speed manual | 15 | 20 | 17 | $3,950 |
| S10 Blazer 2WD | 2.8L 6-cyl | 5-speed manual | 15 | 21 | 17 | $3,950 |
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
- 86V140000Oct 21, 1986Equipment › Other › LabelsCovers: Chevrolet S10 1986, GMC S15 1986, Chevrolet T10 1986
Tire and wheel information on certification label may be incorrect. Consequence of defect: trucks fail to comply with fmvss 120.
Recall details for the 1986 Chevrolet S10 → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
No technical service bulletins are on record for the 1986 Chevrolet S10.
Other model years of the Chevrolet S10
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2004 | 21 | 63,250 | 1 | — | 15 | — | Falling |
| 2003 | 178 | 46,582 | 1 | — | 19 | Not compared (before 2008) | Falling |
| 2002 | 214 | 48,406 | 0 | — | 19 | Not compared (before 2008) | Rising |
| 2001 | 308 | 49,000 | 1 | — | 19 | Not compared (before 2008) | Stable |
| 2000 | 471 | 60,300 | 4 | — | 19 | Not compared (before 2008) | Falling |
| 1999 | 231 | 60,000 | 0 | — | 19 | Not compared (before 2008) | Stable |
| 1998 | 613 | 71,125 | 6 | — | 19 | Not compared (before 2008) | Falling |
| 1997 | 469 | 83,000 | 6 | — | 20 | Not compared (before 2008) | Stable |
| 1996 | 668 | 79,500 | 7 | — | — | Not compared (before 2008) | Stable |
| 1995 | 911 | 115,500 | 5 | — | — | Not compared (before 2008) | Stable |
| 1994 | 967 | 86,000 | 5 | — | 18 | Not compared (before 2008) | Stable |
| 1993 | 233 | 131,300 | 3 | — | 18 | Not compared (before 2008) | Stable |
| 1992 | 180 | 82,163 | 3 | — | 17 | Not compared (before 2008) | Stable |
| 1991 | 174 | 132,000 | 6 | — | 18 | Not compared (before 2008) | Stable |
| 1990 | 29 | 98,858 | 3 | — | 18 | Not compared (before 2008) | Stable |
| 1989 | 48 | 68,250 | 2 | — | 19 | Not compared (before 2008) | Stable |
| 1988 | 37 | — | 1 | — | 19 | Not compared (before 2008) | Stable |
| 1987 | 27 | 83,395 | 2 | — | 19 | Not compared (before 2008) | Stable |
| 1986 | 22 | — | 1 | — | 20 | — | Stable |
| 1985 | 11 | — | 0 | — | 19 | — | Not enough data |
| 1984 | 8 | — | 1 | — | 20 | — | Not enough data |
| 1983 | 7 | — | 1 | — | — | — | Not enough data |
All Chevrolet S10 model years · Best and worst years by complaints
Frequently asked questions
How many NHTSA complaints does the 1986 Chevrolet S10 have?
NHTSA recorded 22 consumer complaints for the 1986 Chevrolet S10 as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1986 Chevrolet S10 is reported most often?
Seat belts is named most often, in 6 complaints (27% of the total), followed by brakes with 3.
Has the 1986 Chevrolet S10 been recalled?
NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 1986 Chevrolet S10 get?
The EPA rates the 1986 Chevrolet S10 (S10 Blazer 2WD, 2.5L 4-cyl) at 20 mpg combined, 18 city and 24 highway, with an estimated annual fuel cost of $3,350 at 15,000 miles a year. Other engine and drive versions are rated differently.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. 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.