According to the U.S. Bureau of Labor Statistics, prices for motor oil, coolant, and fluids are 309.76% higher in 2025 versus 1991 (a $61.95 difference in value).
Between 1991 and 2025: Motor oil, coolant, and fluids experienced an average inflation rate of 4.24% per year. This rate of change indicates significant inflation. In other words, motor oil, coolant, and fluids costing $20 in the year 1991 would cost $81.95 in 2025 for an equivalent purchase. Compared to the overall inflation rate of 2.55% during this same period, inflation for motor oil, coolant, and fluids was higher.
In the year 1991: Pricing changed by 7.21%, which is above the average yearly change for motor oil, coolant, and fluids during the 1991-2025 time period. Compared to inflation for all items in 1991 (4.23%), inflation for motor oil, coolant, and fluids was higher.
Below are calculations of equivalent buying power for Motor oil, coolant, and fluids, over time, for $20 beginning in 1991. Each of the amounts below is equivalent in terms of what it could buy at the time:
| Year | USD Value | Inflation Rate |
|---|---|---|
| 1991 | $20.00 | 7.21% |
| 1992 | $19.79 | -1.03% |
| 1993 | $19.77 | -0.11% |
| 1994 | $20.33 | 2.84% |
| 1995 | $21.51 | 5.78% |
| 1996 | $22.09 | 2.70% |
| 1997 | $22.06 | -0.15% |
| 1998 | $21.96 | -0.46% |
| 1999 | $21.95 | -0.01% |
| 2000 | $23.11 | 5.27% |
| 2001 | $24.65 | 6.68% |
| 2002 | $25.66 | 4.07% |
| 2003 | $26.32 | 2.57% |
| 2004 | $27.69 | 5.22% |
| 2005 | $30.61 | 10.54% |
| 2006 | $35.62 | 16.38% |
| 2007 | $38.71 | 8.67% |
| 2008 | $45.07 | 16.41% |
| 2009 | $49.29 | 9.37% |
| 2010 | $51.15 | 3.77% |
| 2011 | $56.03 | 9.56% |
| 2012 | $60.23 | 7.48% |
| 2013 | $60.44 | 0.36% |
| 2014 | $61.47 | 1.70% |
| 2015 | $61.80 | 0.55% |
| 2016 | $61.48 | -0.52% |
| 2017 | $62.72 | 2.01% |
| 2018 | $65.30 | 4.12% |
| 2019 | $66.15 | 1.30% |
| 2020 | $66.04 | -0.16% |
| 2021 | $67.99 | 2.95% |
| 2022 | $79.15 | 16.41% |
| 2023 | $82.78 | 4.59% |
| 2024 | $81.89 | -1.08% |
| 2025 | $81.95 | 0.08%* |
* Not final. See inflation summary for latest details.
** Extended periods of 0% inflation usually indicate incomplete underlying data. This can manifest as a sharp increase in inflation later on.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Motor oil, coolant, and fluids:
| Year | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
| CPI | 65.300 | 67.054 | 72.769 | 86.531 | 94.531 | 98.746 | 100.800 | 100.485 | 102.254 | 101.962 | 100.300 | 104.254 | 110.238 | 111.385 | 119.415 | 118.185 | 118.054 | 121.408 | 128.423 | 131.885 | 131.692 | 131.092 | 131.077 | 137.985 | 147.208 | 153.192 | 157.123 | 165.331 | 182.762 | 212.692 | 231.138 | 269.078 | 294.293 | 305.384 | 334.564 | 359.596 | 360.885 | 367.002 | 369.021 | 367.099 | 374.485 | 389.905 | 394.964 | 394.338 | 405.966 | 472.567 | 494.249 | 488.919 | 489.317 |