Oil Change Services

Oil Changes: How Often Should I Have My Engine Oil & Filter Changed?

Most professionals in the industry tell you 3 months or 3000 miles. Some insiders say you may be able to go 5000 miles without an issue. The owner’s manual that came with your vehicle may indicate you are fine for 7,500 or even 10,000 miles!

So, how do you decide?  Colchin Auto serves the Arvada, Denver and Wheat Ridge areas and is committed to the prolonging the life of your vehicle with regular maintenance and oil changes are an important component of that plan.  We even offer an Oil Change Club where every 4th oil change is FREE.  Click here for more information or to sign up.

Vehicle Driving Conditions

One central point that the automotive industry will agree on is the importance of regular oil changes to protect and extend the life of your engine.  The frequency of those oil changes is influenced by several factors. Many owner manuals will have two different maintenance schedules based on “normal” vs. “severe” driving styles – with “normal” allowing for less frequent servicing, and “severe” requiring more frequent service.

 “Normal” driving conditions

  1. Trips over 10 miles
  2. Cruising on the highway
  3. Moderate temperatures and loads
  4. Relatively clean-air environment.


If this is typically how you drive, you may not need to change your oil as often.


“Severe” driving conditions

  1. Short or frequent trips less than 10 miles
  2. Extreme outdoor temperatures
  3. Stop-and-go city driving
  4. Extensive idling in traffic
  5. Towing or heavy loads
  6. A dusty or polluted environment.

If this is more your style, then your engine would benefit from more frequent oil changes.

Months vs. Miles?

Which is right for my car? Let’s say six months have passed since your last oil change, and you have driven 2,000 miles. Look at the nature of those miles – did you carpool to work and let your car sit in your driveway most of the time? Or did you drive 15 miles every day, and sit in traffic for over an hour each day? Remember that your engine is working just as hard idling during that hour as it would be accumulating miles.

If the nature of your driving is shorter trips, then you should be changing engine oil twice a year – at least. So while 3 months or 3000 miles may be too frequent for some, it still makes sense to commit to regular service to avoid a larger repair later.

BONUS: The upside of regular service is the opportunity for us to inspect your car during the oil change and keep you posted on items that may be a concern in the near future.  That’s another way we can help you save money and prolong the life of your vehicle.

The type of oil you use – regular or synthetic – also comes into play here. With the use of synthetic oils, extending your drain interval is possible if proper sample testing is done.

Come in today and let the professional service staff at Colchin Automotive & Diesel help you figure out WHEN TO CHANGE THAT OIL! Give us a call: 303-431-5421 or click here to make an appointment. We serve the Arvada, Denver and Wheat Ridge communities.


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