The 2014 Subaru Forester is one a few Subaru vehicles with oil usage problem, alleges a lawsuit.

Subaru of America is facing a lawsuit – that may become a class action – because of the amount of oil the company’s vehicles use.

The problem stems from the fact that in the opinion of some owners, the company’s vehicles use a lot of engine oil…and quickly. The result in some instances has been some pricey repairs due to the problem: repairs in the thousands of dollars.

The suit claims the vehicles “prematurely burn off and/or consume abnormal and excessive amounts of engine oil” and claims Subaru is unwilling to fix the problem. Subaru doesn’t believe there is a problem.

“While we believe the oil consumption of our vehicles to be within acceptable levels, we continually work to reduce the amount of consumable goods, such as oil, that our vehicles require to operate,” said company spokesman Michael McHale to USA Today. “We have also worked with customers on this issue.”

Keith Yaeger, a California man who owns a 2014 Forester, and Michael Schuler, a Florida man who owned a 2013 Outback and took a loss due to the oil problem when he traded it in. They are seeking to expand it to a class-action suit.

(Subaru recalls 660,000 due to faulty brake lines. For more, Click Here.)

The suit seeks to represent buyers of 2011-14 Foresters, the 2013 Legacy and 2013 Outback, all with 2.5-liter “Boxer” engines; and the 2012-13 Impreza and 2013 Crosstrek, with 2.0-liter “Boxer” engines.

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The suit claims owners would not have bought the vehicles or would have paid substantially less for them if they’d known about the problem. Customers also have to “constantly replenish (and pay for) engine oil … at an unreasonably rapid pace.”

(To see more about Maserati’s plans to sell just 75,000 units annually, Click Here.)

In September and December 2013, Subaru issued four “technical service bulletins” alerting dealers to complaints of excessive engine oil consumption, the suit alleges.

The company issued revised versions of those bulletins in May of this year warning the cars in the lawsuit “were experiencing abnormally high levels of engine oil consumption that warranted an intricate repair process to properly remedy,” and identified “unanticipated wear of the oil control piston rings as the root cause of the oil consumption defect,” according to the suit.