Q: Advice on how long conventional oil can last and how often to change it

asked by on

How long can conventional motor oil really last? Most people change it on 3,000-5,000 miles but some say it can go 7,500 to 10,000 miles. Can it really last that long?

You’ve got to realize that it depends on how you drive and where you drive. I personally change my oil in my own car every 3,000 miles because I don’t drive that much. I don’t even drive 3,000 miles a year so I generally change my oil once a year.

If you drive on the highway all the time, you can get away with changing it every 5,000 miles or even 7,500 miles if you do a lot of high-speed driving since you don’t get much wear going at a continuous speed. or example, those big 18-wheel diesel trucks on the highway typically change their oil every 15-20,000 miles, because they are going 65 miles per hour steadily. It really doesn’t wear down the engine much at that continuous speed.

However, if you do a lot of stop-and-go city driving, then it is a good idea to change it every 3,000 miles if you have conventional oil and every 5,000 miles if you use full-synthetic oil.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Advice on how long conventional oil can last and how often to change it

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Replace oil pan gasket in 2009 Lexus RX 350

This would indicate either a major oil leak or the car is potentially burning oil which is a much more critical issue. I would recommend having an expert from YourMechanic come to your home to diagnose the low/leaking oil level...

Q: Sulphur blocking the catalytic converter

Hello. If you had an injector coil issue, then that will usually cause the converter to become clogged and fail. If it is clogged, then it needs to be replaced as driving it will not clear it up. You will...

Q: How Does an Oil Filter Function?

An oil filter is a long, rectangular paper element that is folded into numerous pleats. The two ends of the pleated element are sealed together and the filter placed around a perforated metal tube inside a filter can. The perforated...

Related articles

P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.