Most tests and review videos of electric vehicles I've watched suggest that the real-world range is a bit lower than the manufacturer's 'up-to' figures, but nothing like the disparity quoted above.
And even if manufacturer's claims for EV's are a bit optimistic, that's no different from petrol and diesel cars, where the quoted mpg figures are usually higher than what people get in everyday driving.
Also what sort of driving style were the testers employing? If they were doing flat-out motoring journo type driving, then they'd expect to get much worse economy, as they would with a petrol or diesel.
This is what I was pointing out in my original post. You're right, it wasn't clear from the test if the 147 miles included the performance testing etc.
The test DID go on to say that at the power consumption stated on the car's readout at a steady 70mph m/way cruise, they would estimate perhaps 180 miles between charges.
The problem with the Tesla is, it takes an hour for a 90% charge at one of the 30 - yes, only thirty - 'supercharger' points in the UK. If you don't have one of those, you're waiting 2 - 3 hours to get meaningful range into the batteries from a high-output charger (such as at a service station). They really need a range extender, I think. Not that Mr Musk cares.
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