Gas Guzzling Comparison Calculator

Enter the current gaz guzzling MPG of that SUV you bought when gas was $1.49 a gallon, and then enter the new MPG of that new Prius you've been thinking about. Then enter your daily round-trip commute, your driving days per year and the number of years to add up. My default investment return is a reasonable 5%.

Have fun!

Current Gasoline Price (per Gallon): $
MPG of a guzzler (typical conditions)
MPG of a sipper (typical conditions)
Your Daily Commute (Round Trip): miles
Driving Days per year
Years to Calculate
Investment Yield: %
Gasoline Inflation: %

YearStarting
Balance		Earnings Gas
Price		 Guzzler
Costs		Sipper
Costs		Savings Ending
Balance
1 0.00 0.00 3.699 3,082.50 1,233.00 1,849.50 1,849.50
2 1,849.50 92.48 4.069 3,390.75 1,356.30 2,034.45 3,976.43
3 3,976.43 198.82 4.476 3,729.83 1,491.93 2,237.90 6,413.14
4 6,413.14 320.66 4.923 4,102.81 1,641.12 2,461.68 9,195.48
5 9,195.48 459.77 5.416 4,513.09 1,805.24 2,707.85 12,363.11
6 12,363.11 618.16 5.957 4,964.40 1,985.76 2,978.64 15,959.90
7 15,959.90 798.00 6.553 5,460.84 2,184.33 3,276.50 20,034.40
8 20,034.40 1,001.72 7.208 6,006.92 2,402.77 3,604.15 24,640.27
9 24,640.27 1,232.01 7.929 6,607.61 2,643.05 3,964.57 29,836.85
10 29,836.85 1,491.84 8.722 7,268.37 2,907.35 4,361.02 35,689.72

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