Why spend $150 when you can spend $40? It has nothing to do with being frugal as much as having an option to put the other $100 into other parts of the car needing attention and there always will be with a 25 year old car.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k