As of July 01, 2026, the average salary for an Auto Tech/Mechanic III in Missouri is $58,570 per year, which breaks down to an hourly rate of $28.
However, an Auto Tech/Mechanic III's salary can vary significantly. Here’s a look at the typical salary range:
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Auto Tech/Mechanic III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $63,280 | $5,273 | $1,217 | $30 |
| Average | $58,570 | $4,881 | $1,126 | $28 |
| 25th Percentile | $53,050 | $4,421 | $1,020 | $26 |
Allstate - Saint Louis, MO
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An Auto Tech/Mechanic III's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, and company size can directly affect your earning potential.
Experience is a primary driver of an Auto Tech/Mechanic III's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Auto Tech/Mechanic I | 0-1 years | $46,438 |
| Automotive Service Technician II | 1-3 years | $52,424 |
| Auto Tech/Mechanic III | 3-5 years | $58,569 |
| Automotive Service Technician IV | 5-7 years | $64,089 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Auto Tech/Mechanic IIIs. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
Auto Tech/Mechanic III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $65,510. While startup companies pay approximate $55,402.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $55,402 |
| Growth Stage | 51~500 | $58,596 |
| Established | 501~5000 | $63,262 |
| Enterprise | 5000+ | $65,510 |
For Auto Tech/Mechanic III roles, the industry you choose can affect earning potential by as much as 40% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Biotechnology sectors offer the strongest compensation, at 20% above the average. In contrast, Auto Tech/Mechanic positions in Retail & Wholesale or MFG Nondurable typically offer lower base pay, as these industries often view Auto Tech/Mechanic III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Aerospace & Defense | $70,284 | $34.0 | 20% |
| Biotechnology | $70,284 | $34.0 | 20% |
| Financial Services | $70,284 | $34.0 | 20% |
| Healthcare | $70,284 | $34.0 | 20% |
Understanding how an Auto Tech/Mechanic III's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $63,280 | $5,273 | $1,217 | $30 |
| Average | $58,570 | $4,881 | $1,126 | $28 |
| 25th Percentile | $53,050 | $4,421 | $1,020 | $26 |
Promotions are the fastest way to increase your earnings. As an Auto Tech/Mechanic III, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Diesel Maintenance Supervisor | $73,200 | 25% |
| Automotive Service Technician IV | $64,100 | 9% |
Ready to take the next step in your career? Browse thousands of current Auto Tech/Mechanic III job openings on our job board. Use the search bar below to find your perfect match.
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