GMC C/K Suburban (gmc) Problems by Model Year
NHTSA recorded 9 consumer complaints across the 1 model years of the GMC C/K Suburban (gmc) (1999–1999) that have at least 5 complaints. 1999 has the most, with 9. Across all years, the part named most often is brakes (6 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All C/K Suburban (gmc) model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 1999 | 9 | 155,000 | 0 | 13 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Brakes6 55%
- Fuel system3 27%
- Engine1 9.1%
- Electrical system1 9.1%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
1999: “Fire hazard on my 99 Gmc suburban k1500 from metal fuel line failure with leaking fuel when engine is running. The danger is from more rusted out lines similar to the metal brake line failure I had in the past on this truck and had to replace the entire brake line system. The truck was assembled in mexico with inferior or cheap parts that rust prematurely.”
NHTSA complaint #10664416, filed 2014-12, 178,575 milesOther GMC models
9,032 complaintsGMC Acadia
5,593 complaintsGMC Yukon
5,018 complaintsGMC Sierra
3,929 complaintsGMC Terrain
3,137 complaintsGMC Jimmy
2,712 complaintsGMC Envoy
2,456 complaintsGMC Yukon XL
2,443 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology