Problems owners report
Complaints filed with NHTSA about the 1993 GMC Sierra, by the system named in each complaint. One complaint can name several.
- Visibility23
- Seats15
- Service brakes, hydraulic11
- Power train10
- Engine and engine cooling7
- Unknown or other6
- Seat belts6
- Electrical system5
- Tires3
- Equipment3
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 4 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 25 1993 Sierra vehicles were involved in crashes on US public roads in which someone died; 18 people died inside them, and 5 of the vehicles rolled over. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 1993 GMC Sierra failed the safety check 0.79% of the time — 34% less often than the average 1993 passenger car (1.20%). Median odometer at inspection: 153,806 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Recalls
VEHICLES ALTERED BY PAS, INC. HAVE COMPRESSED NATURAL GAS FUEL TANKS THAT CAN DEVELOP STRESS CORROSION, WHICH CRACK THE E-GLASS WRAPPING. THIS STRESS CORROSION CRACKING CAN LEAD TO TANK RUPTURES.
THE REAR BENCH SEAT DOES NOT MEET THE LOAD REQUIREMENTS OF FMVSS 207, "SEATING SYSTEMS," BECAUSE THE MANUAL LATCH MECHANISM ON THE FOLDING FULL BENCH REAR SEAT WAS ATTACHED TO THE BACK FRAME LOWER CROSS TUBE WITH DOMED HEAD STEEL RIVETS INSTEAD OF THE BOLTS SPECIFIED.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What GMC told its dealers about the 1993 GMC Sierra: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 634999 | DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT |
| 10209734 | This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
| 10007838 | DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT |
| 10005412 | SPRING SLAP NOISE FROM THE REAR OF THE GMT 400 SERIES TRUCK. *MN |
NHTSA manufacturer communications (public domain)