Being entirely in favour of, or entirely opposed to, any particular kind of car is a deeply questionable arguing position, I’ve always thought.
You hear people say things like ‘God, I hate electric cars’ all the time; or it could be SUVs, hypercars, microcars or huge off-roaders.
My response is usually along the lines of ‘Go and drive another one’, because the key constant even within individual market classes is difference.
Five years ago the most derided kind of vehicle might have been the plug-in hybrid. No car needs two engines, they said, and no PHEV has a meaningful electric range anyway.
Nobody bothers to charge them up; they’re just a company car tax dodge.
Well, I reckon the PHEV’s time has finally arrived. The Volkswagen Golf eHybrid, road tested only last week, is a mid-sized, mid-market hatchback priced broadly where you would expect it to be, with good performance and refinement and little meaningful compromise to practicality.
It will do 66 miles of real, mixed-road electric motoring on a charge – more around town and at lowish speeds – and it doesn’t need to fall back on its combustion engine to get enough performance to keep up with the traffic.
Then, when the petrol engine’s running, it will return 60-70mpg in free-flowing urban driving, dropping to just under 50mpg at motorway speeds.
You can charge its 20kWh battery at home, from flat, in less than three hours, or in less than 30 minutes on a rapid charger.
And if you’re in a position to do that a fair bit, as I was during the road test, you might well find that, after a week’s testing – some of it quite intensive performance testing, needless to say, with more than 500 miles travelled in all – you’ve actually only used half a tank of petrol and averaged better than 100mpg.
That’s the kind of fuel economy number that the Autocar road test has never seen, as far as I’m aware, and it fairly stopped me in my tracks as I committed it to our test results.
The trouble is, it’s a big fat lie or, if we’re being charitable, a neat piece of sleight of hand.
The car is commendably efficient, I will admit: as efficient, even, as many compact EVs we have tested of late when running on electrons, and it’s more efficient than many compact combustion-engined cars when running, in just the right environment, on hydrocarbons.
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I think it's reasonable to say that a car does x miles per gallon if it can cover that many miles using a gallon of fuel. However, it'd be clearer if there was a different testing regime for PHEVs; maximum distance on electric (wth sensible speeds and so on), mpg across one entire tank (again with sensible speeds), typical mpg including overnight charging. And typical charging cost factored in. Maybe convert the money spent on charging to the petrol equivalent and factor that in.
No efficiency test can allow for every possible scenario - every day someone decries EVs because they definitely need to tow a yacht 1000 miles a day without ever stopping - but the current test doesn't really give a "this is what it will likely do".