Well I should have clarified I was referring to the engine, which is the part that generally has the most problems over the life of most ICE vehicles.
In the Teslas, there are dramatically fewer moving parts and consumables.
No rings to dry rot / wear out, spark plugs, fan belts, oil filters, pistons, fuel pumps, etc, etc. I was actually referring to the Teslas. I do however, think the X was too much too quickly. It is a mess from an engineering standpoint. That being said, the drive train will last much longer than a similar ICE. I suspect in the long run, with battery wear, it will be a bit more than a wash.
Disclaimer: I'm long on TSLA and Solarcity Solar Bonds.