Oil Consumption

Silverado4x4 · 2026-06-04T17:39:14Z

I retired at 56.

riddler · 2026-06-04T17:41:20Z

2 minutes ago, Silverado4x4 said:

I retired at 56.

Congratulations thats Awesome!

Z45 · 2026-06-04T17:41:39Z

55 with 30 yrs.

asilverblazer · 2026-06-04T18:13:34Z

22 hours ago, KARNUT said:

Don’t get hung up over this. No disrespect intended. People have a different opinion of what constitutes using oil. I stated mine.

23 hours ago, asilverblazer said:

...Generally, these never showed any 'measurable' oil loss per the dipstick(s). Oil was always within the marked area. Could it have been higher in the marked area one time vs another, I have to assume so, but the level on the stick never warranted a more significant dipstick reading accuracy check.

...Could it be that your measurement method isn't accurate enough to show an amount of oil loss? (This isn't an insult; I am exploring the measurement limitations of dipstick readings.)

My interest isn't what is or isn't oil use, I'm interested in your measuring the use (or lack of) to compare to my own experience/measurements.

asilverblazer · 2026-06-04T18:25:12Z

6 hours ago, KARNUT said:

Not enough to see on the oil checking device.

My question(s) are direct to this point, with no insult intended, could the dipstick not be showing an amount of loss comparable to what I see by measuring the volume drained at change time?

6 hours ago, KARNUT said:

In this extended oil changing world with oil change countdowns or lights. If engines used say a qt every 2500 miles or up to even 4000 miles. With oil changes reaching as high as 15000 miles. Normal for most people is eight to ten. Vehicles should potentially be seizing up all over the place. Especially in hilly terrain. Just how many people actually check their oil? Maybe 10 percent. Those are the people that probably change their oil early.

I think most GM vehicles light comes on at max 7500 miles. I've also noted how much larger the oil pan capacity has grown - 10 quarts in my L5P, 9 in the Yukon, 10 in my previous Sierra. If 5 quarts in yesteryear could last 5k miles, the 10 should be doing 10k miles. That thought process isn't about oil life and degradation, but I'm alluding to maybe the capacity has grown to account for the 'loss' and prevent "seizing up all over the place" due to oil starvation.