Diesel mechanic salary in Colorado
Updated September 27, 2026 with BLS data from May 2025
Diesel mechanics in Colorado earn a median of $70,480 a year, or $33.89 an hour, according to May 2025 BLS data. One in ten earns more than $96,450. Nationally the median is $61,770, so Colorado pays 14% more than the U.S. overall and ranks 9th of 51.
- Entry-level starting pay (estimate)
- $22.81/hr
- Jobs in Colorado
- 4,600
- After cost of living
- $68,390
- Median hourly pay
- $33.89/hr
- vs U.S. median
- +14%
- Rank among states
- 9th of 51
- Mean (average) pay
- $71,010 a year · $34.14 an hour
Pay by percentile
What diesel mechanics in Colorado earn at each point of the pay range, May 2025: 10% earn less than the 10th percentile, half earn less than the median, and 10% earn more than the 90th.
| Percentile | Hourly | Yearly |
|---|---|---|
| 10th percentile | $22.81 | $47,450 |
| 25th percentile | $28.51 | $59,300 |
| Median (50th) | $33.89 | $70,480 |
| 75th percentile | $38.36 | $79,780 |
| 90th percentile | $46.37 | $96,450 |
BLS Occupational Employment and Wage Statistics, May 2025. BLS yearly figures are the hourly wage times 2,080 hours.
Pay over time
The median diesel mechanic wage in Colorado rose 17.9%, from $59,770 in May 2021 to $70,480 in May 2025. Prices rose 19.4% over the same period, so after inflation it fell 1.3%.
| Year | Median a year | Median an hour |
|---|---|---|
| May 2021 | $59,770 | $28.73/hr |
| May 2022 | $60,820 | $29.24/hr |
| May 2023 | $63,850 | $30.70/hr |
| May 2024 | $66,330 | $31.89/hr |
| May 2025 | $70,480 | $33.89/hr |
BLS Occupational Employment and Wage Statistics, each May release; inflation from the BLS Consumer Price Index (CPI-U, May of each year). BLS cautions against reading much into year-to-year changes, so we compare the first and last years. How we compare years
How Colorado compares
- Diesel mechanics are less concentrated in Colorado than nationally: 1.6 of every 1,000 jobs, 0.86 times the U.S. share.
Pay by metro area
Rural Colorado
- Northwest Colorado$67,180
- Southwest Colorado$62,790
- Eastern and Southern Colorado$60,640
Other trades in Colorado
Bidding federal work? Davis-Bacon prevailing wage rates in Colorado list what contractors must pay diesel mechanics on federal and federally assisted jobs, county by county.
Questions
- Where in Colorado do diesel mechanics earn the most?
- Among Colorado metro areas, Boulder has the highest median at $79,030 a year, and Grand Junction the lowest at $60,310.
About this data
Wages are from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey for May 2025, occupation 49-3031 (Bus and Truck Mechanics and Diesel Engine Specialists), area code 08. BLS counts wage and salary workers only, so self-employed diesel mechanics and business owners aren't included. The cost-of-living figure divides the median by the Bureau of Economic Analysis Regional Price Parity for 2024 (103.1, where the U.S. average is 100). Page updated September 27, 2026. How we calculate these figures