Quote:
Originally Posted by datatank
Thats pretty much a myth unless its an old car that will knock if you use lower octane fuel and overheat.
I bet your cars will run fine on regular
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07 VW GLI (turbocharged)
08 BMW X3
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Not really worth it for me to test either car's ability to use a lower grade. In the shortrun, using a lower grade of gas might save me a few hundred bucks a year...But the engines in either one would run in the thousands.
I'm sure they'd probably run fine, but why risk it to save a little cash?