drwrx wrote:Mr Kleen wrote:GaToR wrote:I have exactly zero respect for the EPA test cycle.
It allows you to compare vehicles to each other, just not reality.

I think his point is that the numbers can be fudged (I'm looking at you Hyundai) and although they are meant to be a general guideline, some manufactures clearly use them as a marketing ploy. Some do not come close to their EPA numbers, others regularly exceed them.
Both points are valid. You can compare cars' EPA ratings when making a purchasing decision... but at your own peril.
Particularly, anyone driving a TDI laughed at the EPA ratings (they'd have to, to justify the purchase). While the EPA puts the TDI almost on par with petrol cars (Mazda 3, Focus, Dart, Sentra, etc)... if you're getting a mere 41mpg highway out of a Golf/Jetta TDI, you're doing something wrong.
And while I've heard LOTS of complaints of Skyactiv and Ecoboost equipped cars being double-digits off from EPA numbers on the low side, I've not heard a single TDI owner that wasn't getting double-digits higher than EPA numbers.
I think the EPA cycle has found the perfect regimen to give unrealistic expectations for the typical driver in small petrol cars, yet sandbags the hell out of small diesels. That's one overachieving test!