With solar panels on my roof specifically for car charging (i.e. installed cost, not avoided cost of the electricity), I get: (hopefully Model ≡ will be even better).

X

2016 Tesla Model S AWD - 60D

X

2007 Toyota Prius

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Automatic (A1) 1.5 L, 4 cyl, Automatic (variable gear ratios)

EPA Fuel Economy

1 gallon of gasoline=33.7 kWh

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Electricity Regular Gasoline

Combined MPG:106 MPGe

City MPGe:101 Highway MPGe:107

combined

city/highway city highway

Combined MPG:45 MPG

City MPG:48 Highway MPG:45

combined

city/highway city highway

32 kWh/100 mi 2.2 gal/100mi
226 miles

Total Range

536 miles

Total Range

MPG estimates for 2007 and older vehicles have been revised

View Original EPA MPG
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Unofficial MPG Estimates from Vehicle Owners

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User MPG estimates are not yet available for this vehicle

Average based on 187 vehicles

46.4

MPG
34

Lo

75

Hi

View Individual Estimates

You save or spend*

Note: The average 2016 vehicle

gets 25 MPG

You SAVE

$6,000

in fuel costs over 5 years

compared to the

average new vehicle

You SAVE

$3,750

in fuel costs over 5 years

compared to the

average new vehicle

Annual Fuel Cost*$550$1,000

Cost to Drive 25 Miles$0.70$1.22

Cost to Fill the Tank

$26

Tank Size

11.9 gallons

*Based on 90% highway, 10% city driving, 20,000 annual miles and your fuel prices.

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MSRP and tank size data provided by Edmunds.com, Inc.

Range on a tank and refueling costs assume 100% of fuel in tank will be used before refueling.