MileageCurve What breaks, and at what mileage
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Chevrolet Silverado 1500 1999–2006

1st generation Silverado (GMT800)

Reports with mileage
4,742
Median of reported failures
82,000 mi
Most-reported system
Brakes (22.9%)
Recalls
0

Before-you-buy checklist ↓Check this VIN — NHTSA ↗

On this generation, failures are spread across the mileage range, with the middle half between 50,000 and 120,000 miles.

Figure 1 · Chevrolet Silverado 1500 1999–2006 · 4,742 reports with mileage

Mileage at failure

Complaints per 5,000-mile bin, 0 to 200,000 miles, equal bins on a linear scale. Tallest bar = 221 complaints.

Mileage at failure, Chevrolet Silverado 1500 1999–2006Histogram of 4,742 owner-reported failures by mileage, in 5,000-mile bins from 0 to 200,000. The tallest bin is 50,000 to 55,000 miles with 221 complaints, 4.7 percent of the total. Failures are spread across the mileage range, with the middle half between 50,000 and 120,000 miles. A further 166 complaints, 3.5 percent, were reported above 200,000 miles and are shown as a separate detached bar. Median mileage at failure is 81,692.
  • Rest of the range
  • Median
  • 200,000+ — 166 complaints (3.5%), plotted separately
10%
26,910
25%
50,000
Median
81,692
75%
120,000
90%
160,000

Tallest bin: 221 complaints between 50,000 and 55,000 miles. Based on 4,742 complaints that record mileage. Bin width 5,000 miles.

Show the numbers
Complaints by mileage bin
MileageComplaintsShare
0–5,0001112.3%
5,000–10,000531.1%
10,000–15,000701.5%
15,000–20,0001022.2%
20,000–25,0001052.2%
25,000–30,000841.8%
30,000–35,000972.0%
35,000–40,0001613.4%
40,000–45,0001693.6%
45,000–50,0001843.9%
50,000–55,0002214.7%
55,000–60,0001503.2%
60,000–65,0001954.1%
65,000–70,0002054.3%
70,000–75,0001653.5%
75,000–80,0001833.9%
80,000–85,0002114.4%
85,000–90,0001783.8%
90,000–95,0001894.0%
95,000–100,0001703.6%
100,000–105,0001783.8%
105,000–110,0001212.6%
110,000–115,0001252.6%
115,000–120,0001132.4%
120,000–125,0001563.3%
125,000–130,0001012.1%
130,000–135,000911.9%
135,000–140,000921.9%
140,000–145,000751.6%
145,000–150,000611.3%
150,000–155,000751.6%
155,000–160,000420.9%
160,000–165,000801.7%
165,000–170,000420.9%
170,000–175,000471.0%
175,000–180,000430.9%
180,000–185,000450.9%
185,000–190,000220.5%
190,000–195,000350.7%
195,000–200,000290.6%
200,000+1663.5%

Source: NHTSA Office of Defects Investigation, public domain. Complaint counts reflect what owners reported and are not a measure of failure rate per vehicle sold.

What this can and cannot tell you: these are complaints owners chose to file, not a failure rate. Popular models accumulate more of them simply by being common. How this is built.

Owners filed 5,705 complaints with NHTSA about the 1999–2006 Chevrolet Silverado 1500, and 4,742 of them record the mileage at which the failure happened. That is enough to show not just what fails, but when.

Failures are spread across the mileage range, with the middle half between 50,000 and 120,000 miles. The median is 81,692 miles.

The most-reported areas are the brakes (22.9% of complaints, typically around 106,000 miles), the hydraulic brake circuit (20.8% of complaints, typically around 70,000 miles), the electrical system (14.0% of complaints, typically around 70,000 miles).

If you arrived asking “is it reliable?” — this page answers the version of that question the data can support: which problems owners reported, and at what mileage.

How many miles does a 1999–2006 Chevrolet Silverado 1500 last?

Half of the failure reports on the 1999–2006 Chevrolet Silverado 1500 were filed by 82,000 miles and 90% by 160,000 miles — figures drawn from 4,742 NHTSA complaints that record an odometer reading, so they time reported failures, not the cars whose owners never filed one.

166 reports (3.5%) came in past 200,000 miles — each one proof a Silverado 1500 reached that mileage, not that it died there.

Before you buy a 1999–2006 Silverado 1500: the 3-minute check

Generated from 4,742 mileage-tagged complaints, 4 documented problem areas. Print this page — the checklist survives print.

  1. Check instrument cluster on 2003–2007 cars. Stepper-motor failure in the gauge cluster causing gauges to stick, read wrong or drop to zero; the fuel-level sender also fails from sulfur deposits.
  2. Check brakes / ABS on 1999–2002 cars. ABS wheel-speed sensor and EBCM faults causing unwanted low-speed ABS activation and extended stopping distance; subject of NHTSA recall action on 1999-2002 GM trucks.
  3. Check steering on 1999–2007 cars. Intermediate steering shaft wear producing a clunk or knock on turn-in; a very high-volume TSB item.
  4. End with a pre-purchase inspection of this car. Aggregate data describes the population; the example in front of you has its own history.

For a buyer, failures on this generation are spread rather than concentrated: the middle half falls between 50,000 and 120,000 miles, with a median of 82,000. There is no single mileage threshold to watch, which means condition and maintenance records are more informative than the odometer.

On inspection, the brakes and the hydraulic brake circuit are where this generation's reports concentrate, so those are the areas worth a specific look. The hydraulic brake circuit in particular shows a median failure mileage of 70,000, which gives a concrete number to compare against the odometer of any car you are considering.

None of this is a substitute for a pre-purchase inspection on the individual car. Aggregate patterns describe a population; the example in front of you has its own history.

What fails, and when

Figure 2 · Chevrolet Silverado 1500 1999–2006

When each system fails

Bar spans the middle half of reports; the notch inside each bar is the median. Miles at failure on a proportional scale — equal distances are equal ratios, not equal miles.

  1. Steering266 reports39,00020,000–75,000Steering: 266 reports, median 39,000 miles, middle half 20,000 to 75,000 miles.
  2. Electrical system798 reports70,00047,000–95,000Electrical system: 798 reports, median 70,000 miles, middle half 47,000 to 95,000 miles.
  3. Hydraulic brake circuit1,188 reports70,00044,000–101,000Hydraulic brake circuit: 1,188 reports, median 70,000 miles, middle half 44,000 to 101,000 miles.
  4. Transmission and driveline214 reports75,00045,000–104,000Transmission and driveline: 214 reports, median 75,000 miles, middle half 45,000 to 104,000 miles.
  5. Airbag system205 reports99,00062,000–138,000Airbag system: 205 reports, median 99,000 miles, middle half 62,000 to 138,000 miles.
  6. Body structure221 reports105,00080,000–150,000Body structure: 221 reports, median 105,000 miles, middle half 80,000 to 150,000 miles.
  7. Brakes1,307 reports106,00075,000–140,000Brakes: 1,307 reports, median 106,000 miles, middle half 75,000 to 140,000 miles.
  • Your odometer — appears after you enter it in “Where your car sits”

Ordered by median mileage, earliest first. The first 12,000 miles are shaded: that is the boundary this site uses between a manufacturing defect and ordinary wear, not a property of the world.

Source: NHTSA Office of Defects Investigation, public domain.

Complaints by vehicle system
SystemComplaintsShareMedian25–75%
Brakes1,30722.9%106,00075,000–140,000
Hydraulic brake circuit1,18820.8%70,00044,000–101,000
Electrical system79814.0%70,00047,000–95,000
Steering2664.7%39,00020,000–75,000
Body structure2213.9%105,00080,000–150,000
Transmission and driveline2143.8%75,00045,000–104,000
Airbag system2053.6%99,00062,000–138,000
Suspension1572.8%78,00042,000–109,000
Engine and its cooling system1312.3%73,00042,000–107,000
Fuel system1202.1%85,00052,000–127,000

Where your car sits

Failure reports by the odometer reading they were filed at. Pick the anchor nearest your car — or type the exact mileage: your marker lands on this curve and on the timing chart above.

Figure 3 · Chevrolet Silverado 1500 1999–2006 · 4,742 reports with mileage

Share of reports below each mileage

Share of mileage-tagged reports filed at or below each odometer reading. Steps rise only at bin edges, by exact counted shares.

Cumulative share of reports by mileage, Chevrolet Silverado 1500 1999–2006Of 4,742 reports that record mileage, the share filed below each odometer reading, rising in steps at each 5,000-mile bin edge. 32 percent below 60,000 miles. 56 percent below 90,000 miles. 75 percent below 120,000 miles. Median 81,692 miles.
  • 60,000 mi — 32% of reports below
  • 90,000 mi — 56% of reports below
  • 120,000 mi — 75% of reports below
  • Median — the staircase crosses the 50% line here
  • Your odometer — appears after you enter it below

The staircase tops out at 96%: the remaining 3.5% of reports (166) came above 200,000 miles.

Nothing is smoothed or interpolated. Linear axis, same as Figure 1.

Source: NHTSA Office of Defects Investigation, public domain.

At 60,000 miles

32% of the failure reports on this generation came below this mileage. That describes reports, not your odds.

In the reporting window

  • Hydraulic brake circuit — middle half 44,000–101,000 mi
  • Electrical system — middle half 47,000–95,000 mi
  • Steering — middle half 20,000–75,000 mi
  • Transmission and driveline — middle half 45,000–104,000 mi

Mostly reported later

  • Brakes — middle half 75,000–140,000 mi
  • Body structure — middle half 80,000–150,000 mi
  • Airbag system — middle half 62,000–138,000 mi

At 90,000 miles

56% of the failure reports on this generation came below this mileage. That describes reports, not your odds.

Reported earlier than this mileage — ask for repair records

  • Steering — median 39,000 mi

In the reporting window

  • Brakes — middle half 75,000–140,000 mi
  • Hydraulic brake circuit — middle half 44,000–101,000 mi
  • Electrical system — middle half 47,000–95,000 mi
  • Body structure — middle half 80,000–150,000 mi
  • Transmission and driveline — middle half 45,000–104,000 mi
  • Airbag system — middle half 62,000–138,000 mi

At 120,000 miles

75% of the failure reports on this generation came below this mileage. That describes reports, not your odds.

Reported earlier than this mileage — ask for repair records

  • Hydraulic brake circuit — median 70,000 mi
  • Electrical system — median 70,000 mi
  • Steering — median 39,000 mi
  • Transmission and driveline — median 75,000 mi

In the reporting window

  • Brakes — middle half 75,000–140,000 mi
  • Body structure — middle half 80,000–150,000 mi
  • Airbag system — middle half 62,000–138,000 mi

Which systems, and when

Complaints about this generation are not spread evenly across the vehicle, and the systems that generate the most of them do not all fail at the same point in a car's life. The median failure across all systems here is 81,692 miles; the figures below show which parts of the car run ahead of that and which run behind.

The brakes account for 22.9% of complaints (1,307 reports, 1,246 of them with a mileage figure), with a median of 106,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 75,000 and 140,000 miles.

The hydraulic brake circuit accounts for 20.8% of complaints (1,188 reports, 1,018 of them with a mileage figure), with a median of 70,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 44,000 and 101,000 miles.

The electrical system accounts for 14.0% of complaints (798 reports, 681 of them with a mileage figure), with a median of 70,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 47,000 and 95,000 miles.

The steering accounts for 4.7% of complaints (266 reports, 208 of them with a mileage figure), and it fails early — a median of 39,000 miles, well before the vehicle's overall median. Failures clustered this far below the rest of the car usually point to a design or manufacturing problem rather than wear, because wear does not selectively target one system on low-mileage examples. The middle half of these reports falls between 20,000 and 75,000 miles.

Body structure accounts for 3.9% of complaints (221 reports, 178 of them with a mileage figure), with a median of 105,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 80,000 and 150,000 miles.

The transmission and driveline accounts for 3.8% of complaints (214 reports, 174 of them with a mileage figure), with a median of 75,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 45,000 and 104,000 miles.

Differences between model years

Within this generation, complaint volume is not constant across model years. The 2003 model year drew the most — 960 complaints — while 2006 drew the fewest at 462. The median year sits at 677.

Recalls and what they cover

No recall campaigns covering this generation appear in NHTSA's post-2010 recall file. That is not the same as an absence of problems — recalls address safety defects specifically, and many of the complaints above concern faults that are expensive or annoying without meeting that threshold.

Reported severity

What owners reported alongside the failure itself, out of 5,705 complaints against this generation:

Crashes
413 (7.2%)
Fires
116
Injury reports
192
Fatality reports
26

These flags are self-reported by complainants and unverified by NHTSA; one report can carry several flags, so the counts overlap and do not sum to a total. They are not adjusted for how many of these vehicles are on the road. No chart is drawn here on purpose: overlapping counts spanning very different magnitudes cannot be honestly encoded as lengths.

Documented problems

Instrument Cluster 2003–2007

Stepper-motor failure in the gauge cluster causing gauges to stick, read wrong or drop to zero; the fuel-level sender also fails from sulfur deposits.

Brakes / ABS 1999–2002

ABS wheel-speed sensor and EBCM faults causing unwanted low-speed ABS activation and extended stopping distance; subject of NHTSA recall action on 1999-2002 GM trucks.

Steering 1999–2007

Intermediate steering shaft wear producing a clunk or knock on turn-in; a very high-volume TSB item.

Transmission 1999–2007

4L60E clutch pack and sun-shell failures, worsened by towing.

By model year

Complaints by model year
YearComplaintsWith mileage
1999711500
2000731574
2001627491
2002620534
2003960854
2004951830
2005643560
2006462399

What owners reported

There have been consistent problems with this vehicle since we bought it on june 18, 1999. The frame and suspension looked as if it was driven in a salt bath - totally rusted. Saw this right after buying it but the dealer would not do anything. We have never received any recall notices. The worse thing that happened…

1999 · 553 miles · Brakes

the contact owns a 1999 Chevrolet Silverado 1500. The service engine, brake light and ABS lights have been illuminated since the vehicle was purchased. The parking brake does not work normally. The dealer stated that the electrical system had to be replaced and all related recalls were previously repaired. The contact…

1999 · 24,000 miles · Electrical system

On several different occasions my 1999 Chevrolet silverado 1/2 ton would have a malfunction with the antilock braking system. The problem would occur when i was braking to stop at an intersection or driving into a parking space. Every time the system would have the tendency to increase in speed when applying the…

1999 · 27,000 miles · Hydraulic brake circuit

1999 Chevrolet Silverado 1500 pickup customer states that he received a recall letter for the ABS and after getting brakes fixed the pickup started having problems with starting idling**cc the consumer took the vehicle back to dealer, who then stated the ABS motor was running constantly and the fuse needed to be…

1999 · 29,000 miles · Hydraulic brake circuit

Built from 4,742 NHTSA complaints with mileage · snapshot 2026-08-18 · open data · reproduce this page

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