This combines information from separate interviews I conducted with Amalie Oil Vice President of National Accounts, David Castillo, and Tom Glenn, president and founder of Petroleum Trends International and publisher of industry publication JobbersWorld.com
If you think filling up your gas tank is painful right now, you might want to brace yourself for your next trip to the mechanic. While everyone is focused on the rising cost of gasoline and diesel, there is another major issue brewing under the hood: a massive price spike and a looming shortage of motor oil.
The era of cheap, easily accessible synthetic motor oil is on pause for the foreseeable future. Here is exactly what is happening, how much it’s going to cost you, and why your preferred oil might soon vanish from shelves.
What This Means for Your Wallet Right Now
Most drivers don't notice the rising cost of motor oil right away because they only change it a few times a year. However, oil manufacturers have already endured an unprecedented three massive price hikes within a tight two-month window. Past increases used to be measured in increments of 50 to 60 cents; recent rounds have slammed the industry with consecutive jumps of $1.75, $2.50, and even $3.50.
When you go in for your next routine maintenance, expect to see a much higher bill. The ripple effect depends on how you service your vehicle:
- The "Do-It-For-Me" (DIFM) Driver: If you take your car to a dealership or a local garage for a synthetic oil change, you currently pay anywhere from $89.95 to $109.95. Expect to see at least a 10% increase in that service price within the next few weeks. While corporate quick-lube shops operate on a rolling three-month average formula that delays the hike slightly, those windows are closing, and continuous price escalations will soon hit your final bill.
- The "Do-It-Yourself" (DIY) Driver: Retail prices for a quart of motor oil recently jumped by about $1.50, and another immediate $1.50 increase is expected. That is a $3.00 per quart increase in a very short span. An average quart that used to cost $6.49 has jumped to around $8.49 and is headed even higher.
The Core Culprits: Shipping Crisis and a Diesel "Tug-of-War"
To understand why your motor oil is getting more expensive, you have to look at how crude oil is refined and a surprising culprit: the global demand for diesel fuel.
1. The Refinery Tug-of-War
When crude oil arrives at a refinery, it is split into various hydrocarbons. Only a tiny fraction—about 1% of a barrel—ends up as the base oil used to make lubricants. Because refineries can alter their products, they can choose to "crack" heavier hydrocarbons into smaller pieces to create more diesel fuel if profit margins are high. Right now, diesel prices are skyrocketing. As refineries shift focus to maximize diesel production, the supply of lubricant base stocks shrinks, putting massive upward pressure on motor oil prices.
2. The Shipping Strait Shutdown
About 70% to 80% of a refined barrel of crude goes to fuel, but the remaining byproduct—base oil—makes up 80% to 90% of every quart of motor oil. Because of the ongoing closure of a major shipping strait, the supply of this base oil is being severely impacted, and the costs are trickling directly down to consumers.
The Synthetic Squeeze and Looming Shortages
It isn't just about higher prices—the industry is flashing warnings of imminent retail outages reminiscent of the 2021 supply crisis, especially for newer vehicles.
Over the last two decades, the automotive industry has shifted toward lighter-viscosity engine oils (like 0W-20) to improve fuel efficiency. To build these thin, high-performance oils, manufacturers must use "Group 3" synthetic base oil.
The United States does not produce enough Group 3 base oil to meet domestic demand. Instead, we rely heavily on imports, including from two major refineries in the Middle East where about 60% of Group 3 base oil is refined. Due to ongoing regional conflicts and shipping strait closures, that supply chain is crippled.
The Reality Check: Even if the shipping straits reopened tomorrow, it would take about eight months to get production back to normal. The supply of synthetic base oil is so critically short that the traditional "spot market" has practically vanished. If an oil blender doesn't have a strict long-term contract, they simply cannot get Group 3 base stock right now. Rumors of an internal Toyota service bulletin have already begun circulating online, warning dealerships of a looming, systemic motor oil shortage.
The Automotive Warranty Trap
As shelves empty out, organizations like the Independent Lubricant Manufacturers Association (ILMA) are actively urging the American Petroleum Institute (API) and major automakers to temporarily loosen their rigid oil formulation rules to keep retail stores stocked.
So far, automakers are resisting:
- The GM "Dexos" Dilemma: General Motors strictly requires its proprietary Dexos-certified motor oil to keep your vehicle under warranty. Because Dexos requires a highly specific, elusive Group 3 base oil, manufacturers have begged GM for flexibility during this shortage. GM has said no—meaning if you own a GM vehicle, finding the specific oil you need to keep your warranty valid is about to get much harder.
Other Fluids Affected
The pressure on base oils is creating a domino effect across other vehicle and equipment fluids:
- Transmission Fluid: This relies on "Group 2" base oils, which are also under heavy supply strain, meaning transmission fluid shortages are expected shortly.
- Farm & Industrial Equipment: These rely on "Group 1" base oils (used for tractor fluid, AW32, AW46). While these aren't facing the same severe shortages, you cannot substitute them into passenger cars, as modern car engines require the higher additives found in Group 2 and Group 3 oils.
The Takeaway
We aren't looking at a scenario where your car will be forced off the road, but finding your specific synthetic weight is about to become a major headache. If you are due for an oil change, or if you like to do it yourself, it would be wise to act sooner rather than later and secure a few quarts ahead of your next scheduled service.
And there's likely a shortage of synthetic motor oil coming very soon
And there's likely a shortage of synthetic motor oil coming very soon




