Fuel Economy History - 2004 Toyota Prius Long-Term Road Test
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2004 Toyota Prius Long-Term Road Test

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2004 Toyota Prius: Fuel Economy History

October 05, 2010

Priusartistic.jpg

In the previous Open Thread post for our 2004 Toyota Prius, commenter liquoredonlife asked what was the worst MPG it has ever gotten. We've just posted last month's fuel economy of our long-term test cars so you saw that the worst for the Prius was, gasp!, 18.5. But I was curious about how many times during its six years with us we've gotten its mpg below 20.

Turns out that 18.5 was a miscalculation that arose from a previous "short-fill" situation. Once we threw that one out, the correct value for lowest mpg ever is 26.7.

Head for the jump to see a breakdown of our Prius' fuel economy history ever since it first arrived in our fleet.

0-10000
miles 9989
gallons 238.32
avg 41.92
min 28.14
max 57.57


10000-20000
miles 9965.3
gallons 242.52
avg 41.09
min 28.26
max 59.27


20000-30000
miles 9859.5
gallons 243.08
avg 40.56
min 28.71
max 52.44


30000-40000
miles 9995.4
gallons 236.53
avg 42.26
min 28.26
max 59.27


40000-54000
miles 9961
gallons 254.18
avg 39.19
min 26.73
max 51.32


54000-64000
miles 9826.1
gallons 241.21
avg 40.74
min 30.20
max 49.85


64000-79000
miles 9947
gallons 256.99
avg 38.70
min 28.62
max 50.12


79000-85000
miles 5130.4
gallons 133.13
avg 38.54
min 33.79
max 50.83


The last time we had that high 59.3 mpg was back in October 2004. And we haven't really gotten that close to that number since. Second best mpg was 54.8 that same month.

Caroline Pardilla, Deputy Managing Editor @ 84,963 miles

  • Full Review
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