As part of my self-justification process for possibly buying a Model S in late 2014 when the lease on my LEAF is up, I've tried to build out a reasonably accurate and yet tolerably simple TCO model spreadsheet, which I've posted on google docs here:
https://docs.google.com/spreadsheets/d/10zGeyOZ-RUSF_rjRu7mWNRc81ceN4Qk2EWDElhJe6gA/edit#gid=2035859154
The model includes input costs for
I'd love to have folks from the group who may have more experience take a look over this and let me know if there's anything obvious that I've missed, or anything that I have grossly over or underestimated.
https://docs.google.com/spreadsheets/d/10zGeyOZ-RUSF_rjRu7mWNRc81ceN4Qk2EWDElhJe6gA/edit#gid=2035859154
The model includes input costs for
- the vehicle itself, assuming a cash purchase at least for the moment
- the depreciation cost, with a best, middle, and worst-case estimate for the Model S
- this is BY FAR the largest input for the model S, so I'd love opinions on this as well
- energy costs (gasoline, diesel, electricity) with inputs for changing expected fuel costs
- tire cost
- maintenance - my numbers are exceptionally accurate for the Acura TL which I've owned for almost 10 years, and the estimates for the other stuff should be at least relatively close...
- insurance - I could use some help here but all in all it's not a huge input to the total cost
- does not currently include any discount rate / time-value of money calculations, reflecting the current exceptionally low interest rate environment
I'd love to have folks from the group who may have more experience take a look over this and let me know if there's anything obvious that I've missed, or anything that I have grossly over or underestimated.
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