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GMC Sierra

1999 only

56 classified complaints

1999 GMC Sierra have 56 classified complaints on record for that year specifically. The most common issue in this year is Calipers, hoses and lines, typically surfacing around 124,192 miles.

Computed directly from stored federal records for 1999 model years only — not blended with the rest of this vehicle's production run. See the full GMC Sierra report for every year combined.

Where this year fits

1999

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Complaints filed per individual model year — highlighted bars link to their own dedicated page.

What breaks, and when — 1999 only

Calipers, hoses and lines · Brakes 39 complaints

Median onset: 124,192 miles. 2.6% of these reported an injury, a death, or a crash with fire.

Tends to show up later than this model's other issues. · More common in older model years. · Typical repair: $230–$880 nationally.

Body and panel corrosion · Body and interior 3 complaints

Median onset: 100,000 miles.

Tank, lines and filler · Fuel system 3 complaints

Median onset: 121,828 miles.

Tends to show up later than this model's other issues. · More common in older model years.

Tire wear and premature wear patterns · Wheels and tires 2 complaints

Median onset: 64,000 miles.

Tends to show up earlier than this model's other issues. · More common in newer model years.

ABS module and wheel speed sensors · Brakes 2 complaints

Median onset: 90,073 miles.

More common in older model years. · Typical repair: $660–$1,260 nationally.

Exhaust manifold, studs and leaks · Exhaust and emissions 1 complaints

Median onset: 70,000 miles.

Tends to show up earlier than this model's other issues. · Typical repair: $690–$1,870 nationally.

AWD/4WD engagement, actuators and couplers · Drivetrain 1 complaints

Median onset: 79,000 miles.

Control arms, ball joints and bushings · Suspension 1 complaints

Median onset: 150,145 miles.

Tends to show up later than this model's other issues. · More common in older model years. · Typical repair: $230–$700 nationally.

From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see how it works. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.

Cost estimator: what will this one cost you?

Enter the car's year and mileage. See which known problems are due in your next 3 years, what each costs at your state's labor rates, which ones to ask the seller about, and routine maintenance to budget for.

How does 1999 compare with other Sierra years? Every model year ranked by complaints per 10,000 sold. See years →

Sources: NHTSA Office of Defects Investigation — complaints and recalls, scoped to 1999 model year. See the full GMC Sierra report for every year and full specs/safety data.