One-year's actual gas mileage for 4 cars

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For decades I have kept detailed fillup information for all our cars (and forced the family to do that too!) . Here are actual 365-day fuel-usage numbers for four of our cars: 2013 Toyota RAV4, odometer 63,000 mi -- Used 760.559 US gallons to go 19,364.113 miles. -- That's 25.46 mpg. The vehicle's on-board mileage counter (which gives the number in Metric) says the equivalent of 25.848 mpg. 2015 Toyota Corolla, odometer 15,400 mi -- Used 393.149 gallons to go 12,146.315 miles -- That's 30.89 mpg The vehicle's on-board mileage counter says the equivalent of 34.089 mpg. 1999 Toyota Tercel, odometer 207,000 mi -- Used 439.103 gallons to go 12,620.111 miles -- That's 28.74 mpg 1991 Acura Integra, odometer 414,300 miles (yes, not a typo!) -- Used 685.313 gallons to go 19,165.262 miles -- That's 27.97 mpg This is for the car's last year with me, 2012-2013.
 
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Originally Posted By: crazyoildude
Of course it depends on the drivers and the weather so it's really an average..
An average of what? Its actual gas mileage for a year. I suppose you could say hes averaging 365 days of driving.
 

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So far, nobody seems to have noticed two of the most interesting details: 1) The rather large discrepancy between the Corolla's actual mileage and that reported by the on-board computer -- about 10% difference. 2) That a car with nearly half-a-million miles on it can still achieve nearly 28 mpg. When the Integra was much younger, it achieved about 29-30 mpg.
 
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Originally Posted By: horse123
That's kinda terrible MPG for a FWD 1.8L car.
Not really, it totally depends on the driving style.
 
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Originally Posted By: horse123
That's kinda terrible MPG for a FWD 1.8L car.
Not really its actual mileage over a year. not glancing over at it for one highway trip. My forester can hit 31-34mpg, but over 5000miles I average 26-28mpg summer, 22-25mpg winter.
 

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Originally Posted By: Tegger
So far, nobody seems to have noticed two of the most interesting details: 1) The rather large discrepancy between the Corolla's actual mileage and that reported by the on-board computer -- about 10% difference.
Our 2014 RAV over estimates mpg by 1.5-2.0 consistently. Interesting your 2013 is spot on. I got tired of keeping gas records after 2 years with it but it was just over 28 mpg actual. Different climate and conditions.
 
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What I noticed was that in one year 2,278.124 gallons of gas was consumed. When you think of it, owning a car is a death of a thousand cuts to your check book. Don't get me wrong, I'm all in, I just never kept such good record of how much $$$ I was burning. I now realize now that I'm ready for a 300 mile range, fast charge electric car.
 

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Originally Posted By: double vanos
What I noticed was that in one year 2,278.124 gallons of gas was consumed.
Maybe not exactly. It's not clear if all 4 are running concurrently or if OP is showing average mileage of 4 different cars from different years.
 
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Originally Posted By: Rand
Originally Posted By: horse123
That's kinda terrible MPG for a FWD 1.8L car.
Not really its actual mileage over a year. not glancing over at it for one highway trip. My forester can hit 31-34mpg, but over 5000miles I average 26-28mpg summer, 22-25mpg winter.
Well actually it kinda is terrible. I average about 30mpg in an AWD car with a 200cc larger engine. So uh yeah, don't try to tell me it's not terrible.
 

Tegger

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Originally Posted By: AZjeff
Originally Posted By: double vanos
What I noticed was that in one year 2,278.124 gallons of gas was consumed.
Maybe not exactly. It's not clear if all 4 are running concurrently or if OP is showing average mileage of 4 different cars from different years.
The first three cars are all being used concurrently. The numbers are all for the last year (2015-2016). The Integra, as stated, was from 2013. During the last year, as a family, we bought 1,592.811 gallons of gas. I did record the costs of the gas as well, but didn't add them up in this case. In our part of Canada, gas is roughly $3 per gallon in US dollars, so one year's gas cost us approximately $4,800 US, or approx $6,500 Cdn.
 
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I've been tracking all of my fuel-ups on fuelly.com for over a year, so I also have this data. 1992 Honda Accord: 323.67 gallons to travel 7988 miles last year, for an average mpg of 24.68. 2006 Ford Ranger 4.0: 295.72 gallons to travel 4634 miles, for an average mpg of 15.72.
 

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Originally Posted By: exranger06
I've been tracking all of my fuel-ups on fuelly.com for over a year, so I also have this data. 1992 Honda Accord: 323.67 gallons to travel 7988 miles last year, for an average mpg of 24.68. 2006 Ford Ranger 4.0: 295.72 gallons to travel 4634 miles, for an average mpg of 15.72.
More hard numbers. And they're about what I would expect for vehicles in those classes. I think most folks have no idea what their vehicle actually gets. They either guess, or they go by the "tankful", both of which methods are quite inaccurate. I find it interesting that the much-vaunted on-board mileage readout isn't necessarily accurate.
 
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For my 530i for 2015: Avg MPG: 23.0 Avg Miles/Fuel-Up: 373.4 Total Gallons Fueled: 162.70 Total Miles Tracked: 3,734.0 More stats under the link in my sig.
 
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