1993 Lexus SC300: common problems
Owners of the 1993 Lexus SC300 filed 7 complaints with NHTSA, most often about tires and electrical system. Details by component below, with sources.
Key figures
- Owner complaints
- 7
What fails most often
- 1 Tires 43% of all complaints
- 2 Electrical system 14% of all complaints
- 3 Equipment 14% of all complaints
- 4 Fuel system 14% of all complaints
- 5 Structure 14% of all complaints
- 6 Visibility 14% of all complaints
- Tires: 3 complaints (43% of all).
- Electrical system: 1 complaints (14% of all).
- Equipment: 1 complaints (14% of all).
- Fuel system: 1 complaints (14% of all).
- Structure: 1 complaints (14% of all).
Symptoms owners describe
How many of the 7 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Tires | 3 | 0 | 0 |
| Electrical system | 1 | 0 | 0 |
| Equipment | 1 | 0 | 0 |
| Fuel system | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
| Visibility | 1 | 0 | 0 |
| Other | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Vehicle's tire had sidewall failure and would not hold air. While driving, the consumer noticed a slight pull to the left. Another motorist informed the consumer that his left front tire was flat. The consumer was told the tire could not be repaired.
Approximatly sept. 9 2003 with 36k on the tires the left front tire went flat on the freeway. The goodyear store showed me the failed side wall and the tire would not hold air.I received a 50% adjustment . The left rear tire was put on the left front and the new tire on the left rear. On oct.
Consumer is unable to get keys out of the lock position after being put into the ignition. Dealership replaced the ignition, but problem still exists.
50 bfg comp ta vr4-bsw-340aa, p215/60r15 dot be5jvr1059, replacement equipment with 34000 miles on a 1993 lexus se300. All 4 tires are showing signs of weathering. Consumer states that mechanic noticed cracking at 16206 miles, the outer tread wall is where the problem is.
Radio controlled door lock failed, the electric window mechanism was replaced on driver's side which caused rattle and subsequent failure of the door locks.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 12,538 of 36,656 model years in the NHTSA data (top 34% most complained about).
On average one model year of the SC300 has 5 complaints (5 years in the data). This year has 7, above average.
What to check before buying
- Tires. Tire age by DOT code, bulges, wear pattern.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Other years of this model
Questions and answers
What are the most common problems with the 1993 Lexus SC300?
Owner complaints to NHTSA most often mention: tires, electrical system, equipment. Total complaints: 7. The most frequent symptoms in complaint texts: A/C or heater (14%), door locks, latches, handles (14%), knocking, grinding or other noise (14%).
How many service bulletins (TSB) were issued for the 1993 Lexus SC300?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1993 Lexus SC300 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1993 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.