After using the NRCAN measurements for years to assertain the "relative" fuel efficiency of cars available on the market I made the HUGE mistake of trusting their current measurements on the CVT Mirage. I made my purchase based on the fact that they show the new CVT as geting about 10% better milage in the city than the manual. These numbers put the new CVT Mirage in the same ballpark as the 95 Geo Metro (manual). Now, after wasting my money, I find out that, not only does the CVT NOT do better than the manual (in the city), it doesn't even come close to what the Metro was capable of (even when I modify my technique and drive EXTREMELY conservatively). Now I'm stuck with a brand new piece of junk (that I paid extra for) that I have to drive like a little old lady and which my Metro would have $hit kicked.
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Admin edit: also see this member's related thread: New Mirage Owner Question (city fuel economy)
And: Is Accumulated Milage Indicator Accurate? (MID fuel economy / MPG gauge)