Gas Mileage

Mileage by Brand and Type of Driving for My 1976 Toyota Celica

Here's some interesting trivia about gas mileage. Have you ever wondered which brand, grade, or octane rating gives better gas mileage? Well, I've collected thousands of miles of data on a wide variety of brands, octane ratings, grades, etc. All this information is from my 1976 Toyota Celica. I have found these results interesting, I hope you do as well.

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Driving Type by Brand

So, following quickly on the tail of being asked about comparing the brand and octane rating for mileage, I, of course, got the quite obvious (to the point that I'm not sure how I overlooked it) question of "What about brand and driving type?"

Only combinations that have been recorded more than 10 times are listed to try to eliminate deviant results.

Brand	Driving Type	Number of Entries	Average MPG
Amoco	Highway	12	25.11
Cennex	City	17	16.28
Cennex	Highway	53	22.88
Cennex	Mixed	29	21.51
Citgo	Highway	12	22.44
Conoco	City	160	14.36
Conoco	Highway	49	23.43
Conoco	Mixed	51	20.2
Exxon	City	68	15.76
Exxon	Highway	47	23.05
Exxon	Mixed	24	20.93
Holiday	City	41	16.23
Holiday	Highway	30	23.28
Holiday	Mixed	55	19.3
Sinclair	City	25	15.87
Sinclair	Highway	17	24.33
Sinclair	Mixed	21	21.6

I, of course, make no guarantees about what kind of gas mileage you may receive in your vehicle, even if it is a '76 Celica with a 20R and a couple hundred thousand miles under the hood, because there are way too many variables that come into play...

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