The Results: 92 vs. 87

February 24th, 2011 at 9:13 am

Back on November 22, 2010, I decided to start a test using 87 octane gasoline instead of the recommended 92 octane gasoline like the owners manual states.

The original plan was to test with 5 fill ups using 87 octane gasoline.  I ended up testing with 8 fill ups.

The different between the gas mileage while using 92 octane gasoline and 87 octane gasoline is almost unnoticable.

So, I fill up with 87 octane gasoline now instead of 92 octane gasoline.

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Less Pep In It’s Step

November 24th, 2010 at 10:01 am

The first thing that I noticed with 87 octane gas in the tank is the amount of pep the vehicle has.

I have also noticed that the engine is eating more gas as the gas gauge is going down much faster than it does when 92 is in it.

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92 vs. 87

November 22nd, 2010 at 2:46 pm

The Tiguan owners manual recommends higher octane gasoline.

I have been putting 92 (93 when available) in ever since I got it.

I had to gas up today and decided to do a little test with 87 octane gas.

I will gas up the next 5 times with 87 octane gas to see if the gas mileage takes a hit.

You can follow the results on the Gas Mileage page.

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