09 White-Out

2009 Toyota Prius
Property of PRImptive. Added Apr 2009.

My answer to OPEC and BIG OIL greed! Bring on the electric and hydrogen cars!

Total Fuel-ups 31	Avg Miles/Fuel-up 364.4	Avg Price/Gallon $2.31	Avg Price/Fuel-up $14.93
Total Miles Tracked 11,297	Last Price/Gallon $2.47 (+$0.03)	Avg Price/Gallon $2.45 (30 Days)	Avg Price/Mile $0.04
Avg L/100km 4.2	Best Miles/Fuel-up 588.0 5/13/09	Best Price/Gallon $1.93 4/11/09	Total Spent 2010 $68.53

Recent Fuel-ups

Date	Miles	Gallons	Price	MPG	Notes
3/01/10	221.1	4.300	$2.47	51.4
2/23/10	294.8	4.800	$2.44	61.4
2/17/10	244.1	4.630	$2.33	52.7
2/01/10	293.5	5.600	$2.38	52.4
1/18/10	256.0	5.300	$2.46	48.3
1/06/10	172.6	3.600	$2.52	47.9	Computer logged 50.4 vs. actual. Fuel procured at SAMS with home top-off. Unusually cold weather for this time of year with temperature in single digits and w/c well below 0. Prius does NOT shine in cold weather,...as I suspected. Motor seems to run ALL of the time trying to keep engine at operating temp and supply necessary climate control needs. Very poor in snow and ice.
12/17/09	280.0	5.475	$2.34	51.1	Very cold weather is on the way! I suspect the Prius will not fare well in very cold weather. Climate control appears to be its greatest negative. I did not use the A/C very much earlier in the year, which resulted in very good MPGs,....but the winter may prove a different matter. Engine appears to remain on a rich setting much longer, and definitely runs much more than in warmer weather. Definitely a weak cink in its armor.
12/08/09	174.5	3.000	$2.41	58.2	Weather wasn't as cold during this past week,...and I drove the "white-out" like an old lady. However, driving like an old lady can get you killed in the world today,...so I will probably opt for a little more aggressive mode in the future. Have a Good Day out there!
12/01/09	310.0	5.890	$2.37	52.6	Unusually cool weather has appeared to take its toll on the Prius's MPGs. Motor takes much longer to warm up, and appears to restart much more frequently. To its credit, I do mostly short trip driving with a 50/50 mix of urban/highway. Many more warm up cycles than a predominately highway driver.
11/19/09	361.0	6.660	$2.45	54.2	I continue to top off tank at home, after fill-up at service station. Helps to give me more accurate MPG readings. I have had problems in the past with gas pumps cutting off prematurely,..thereby skewing MPG readings between fill-ups. Hopefully, this will provide more accurate mileage figures for "ole White-Out". Still believe cold weather is going to take its toll on the MPG's.

EPA Estimates

Here's how this mileage compares with the EPA estimates for this model.

Avg MPG 55.9

Estimated City MPG 48 (+7.9)

Estimated Hwy MPG 45 (+10.9)

Estimated Avg MPG 46 (+9.9)

Potential Savings Per Fuel-up

Using the last fuel-up as a guide, here's what this car could have saved with better mileage.

Last MPG 51.4

+1 MPG $0.20

+2 MPG $0.40

+3 MPG $0.59

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Toyota · Prius · 2009