The 3,000 Mile Oil Change Myth - Save Your Money
What do you think about this statement - true or false? To prolong the life of your vehicle, experts recommend that you change your vehicle’s engine oil every 3000 miles.
The answer? False! Modern engines today are much more advanced and don’t require oil changes every 3000 miles, and research has shown that frequent oil changes have no appreciable benefits. The only experts that push for this are those from the oil industry.
The 3,000 Mile Myth
The long handed down concept of the 3000 miles oil change was the brain child of Jiffy Lube and propagated by oil industry officials. While it’s not exactly a scam per-se, it’s quite a lucrative myth for the engine oil maintenance industry. The average American drives 12,000 miles in a year, and with an oil change every 3,000 miles costing in excess of $25 each, that’s $100 annually for each customer. Every visit to the auto mechanic or oil change facility gives them yet another opportunity to push for other pricey maintenance services such as air filter replacement and transmission flush.
Although oil companies and quick engine lube shops like to promote this idea, it’s usually not necessary. Instead, drivers should consult their vehicle owner’s manual oil change schedule for more credible guidance. Most vehicles driven under normal conditions can reliably go 7,500 miles or more between oil changes. Some models now even come with monitoring systems that alert the driver when the oil needs changing. Depending on driving conditions, they can help extend oil change intervals further - to 10,000 or 15,000 miles.
If you want some test trial and research backing, just take a look at what Consumer Reports discovered. They performed an experiment to test engine oil performance in 1996 using New York City taxi cabs. After examining the results, they concluded that:
Even in the severe driving conditions that a New York City taxi endures, we noted no benefit from changing the oil every 3,000 miles rather than every 6,000. If your driving falls into the “normal” service category, changing the oil every 7,500 miles (or at the automaker’s suggested intervals) should certainly provide adequate protection. (We recommend changing the oil filter with each oil change.)
My Vehicle’s Correct Oil Change Interval
I checked out my Honda Accord’s driver’s manual and lo and behold, the car manufacturer recommends oil changes every 5,000 miles for severe driving and every 10,000 miles for normal driving. Every car model’s different, but in my case, my manual indicates that severe driving is characterized as mainly operating the vehicle under the following conditions:
- Driving less than 5 miles per trip, or in freezing temperatures, driving less than 10 miles per trip,
- Driving in extremely hot (over 90 degree) conditions,
- Used primarily as a delivery vehicle or taxi that is driven mostly in stop and go traffic and/or parked with the engine idling,
- Trailer towing, driving with a roof top carrier, or driving in mountainous conditions, or
- Driving on muddy, dusty, or de-iced roads.
My owner’s manual also notes that if you only occasionally drive under the above severe condition, than you should follow the normal driving conditions maintenance schedule. With this in mind, I would consider my driving to be fairly normal with more highway driving than local since I commute to work mostly via public subway transportation. Thus, I now get an oil change every 6,000 miles (a compromise between severe and normal), which comes out to twice a year, and I find it to be very sufficient.
September 25th, 2007 at 12:24 am
The recommended oil change for my car is 5,000 as per owner’s manual and the light does come on every 5,000 miles so I generally follow that rule.
I use to change my own oil but there’s always a coupon or so to get it done for $10-$15 somewhere and oil generally costs around that much.
September 25th, 2007 at 12:33 am
In the oil change department, the car manufacturers have your interest at heart so it’s definitely best to follow the manual. 5,000 miles sounds right. I usually just find a gas station that’ll do it for cheap!
September 25th, 2007 at 7:48 am
I just let Jiffy Lube pay me for my oil changes, check out http://www.conferoinc.com/
(Note, I’m just a mystery shopper at Confero, they do not pay me to advertise).
September 25th, 2007 at 10:15 am
Sick, How interesting! I’m going to have to look into this
October 1st, 2007 at 8:11 am
I have a gas guzzeling truck that I hardly ever drive anymore because of prices. What about the 3 month rule? I have always heard “3000 miles or 3 months, whichever comes first”. I think I have drove my truck 1000 miles or less in a year. Should I consider changing the oil because of it’s age?
October 1st, 2007 at 4:43 pm
Chris, I would change the oil at least once a year if you’re not driving it much.
October 13th, 2007 at 5:35 pm
It is usually recommended every 6 months too. Do you suggest extending this too for those who drive little? Synthetics are often recommended, but given the cost are they really worth it?
December 20th, 2007 at 6:18 pm
I am trying to justify the once a year thing. Does oil have a shelf life? If it is just sitting there and not being used how can it go bad?
December 21st, 2007 at 12:21 pm
I think if the motor oil is stored properly - not too hot, not too cold, it should be okay for several years so long as it is capped tight. I don’t believe they have a shelf life but if the oil is in your engine, that is a different matter. Dust and dirt naturally accumulate over time even if the car is sitting in your garage all this time.
February 23rd, 2008 at 10:56 am
I have taken to buying Amsoil filters (expensive at $17-20) and Mobil1 synthetic oil. I will drive 15-20k before changing oil. The filter and oil will handle at least 15k.
March 31st, 2008 at 8:33 pm
I’ve heard recently that they have done research that says oil after 3,000 miles starts to break down the rubber gaskets or seals and that’s another reason to change the oil every 3,000. I wonder- if you are changing the oil regularly at least every 5,000 miles why do the gaskets break down if it is NOT the oil? Thanks….S
June 10th, 2008 at 4:16 pm
Years ago I asked a Chicago taxi fleet owner how he addressed the oil change issue. He told me “All we do is change the oil filter every 10K miles and add new oil along the way as needed. We never drain it.” Who knows, this may not be smart with todays engines.
July 28th, 2008 at 8:20 pm
when i went to mechanics school, we were told that oil does not break down.
yes it does get dirty.
if as they now claim, oil does break down. why do they filter it and sell it back to the consumer? are they selling broken down oil.
also how does oil break down on an engine that hasn’t been run for 3 months
” the change oil every 3000 miles or 3 months whichever comes first.
by the way i have owned 2 cadillacs and i never change the oil
one had 230000 miles my other one now has 138000 miles.
art
September 9th, 2008 at 10:47 am
A. munez … I hope you never touch one of my vehicles…. You never change your oil? I use Mobile 1 syn and change it every 5000 miles on my Jeep Grand Cherokee 5.2L with hard driving. I have a rear oil seal that does not leak until the oil thins down about after 5000 miles which shows me oil does change after time. I have 256,430 miles on my Jeep and does not burn oil… high compression. I have always used Mobil 1 Syn and changed oil @ 5000 miles and will continue to do so on all my vehicles. Oil changes are too cheap compared to rebuilding an engine.