Real mpg for the 2.0 petrol are 37.4mpg which is not great. There is no way that engine would deliver 50-60mpg
44.8mpg according to HJ real economy figures on the CX-3 2.0 120PS and you’ll beat that easily with a light right foot. 60mpg is unlikely though close to 50 May be possible. But if it’s not for you then it’s not for you. My one drive in a CX-5 2.0 showed 44mpg on a mixed run without any major restraint. It’s close to diesel but with none of the longterm reliability drawbacks.
Indeed SLO - I managed to get around 42mpg whilst test driving a still tight (only a few miles on the clock) showroom demo CX-3 2.0 Sport Nav Auto (on 18in rims, so worse mpg than the SE-L Nav running on 16in rims), driving in the current sort of weather with the heater and heated seats on, and not tootling around with a light foot as I usually do. I'm sure, once it was worn in, and over an entire year, I'd be able to get 45mpg average at least.
Note to the OP - as the Mazda petrol engined cars don't use turbos, then there's less to (expensively) go wrong, similarly to the normally aspirated petrol engines in the previous gen Honda Civic & Co. Getting the 'best' mpg should never be the be all and end off of buying a car - there are many other factors, as previously explained by many of us, that can have a large financial impact on the cost of buying and running a car, as well as the actual ownership experience itself.
Long-term reliabilityrobustness normally more than offsets the lower (not that low - the one you quoted was for the range-topping 150hp [not standard 120hp version 4WD CX-3, which you don't really need unless you're living in a very rural area that regularly gets bad weather in winter - and is often more than compensated by running a car with an additional set of winter tyres or at least decent all season ones.
Just, on its own, running a car on 16in 55-60 profile rims instead of 18in 35-45 profile rims will likely outweigh the difference in real mpg (not as much as you think either) between these N/A petrol engines and, say, a modern diesel or turbo-petrol with lots of extra engineering onboard, never mind the far better ride quality with negligable penalty in handling at road legal speeds. I find it odd why you are so concerned about saving a few hundred £££ in fuel costs by wanting a diesel or turbo-petrol (or maybe a hybrid, much more expensive), but seem perfectly ok to get 5% less mpg running a car on low profile tyres that cost £300 - £500 more to replace than perfectly good quality 'standard' profile ones and having to do so at half to 2/3rds of the time.
Your wife may prefer the 'looks' of the Juke, Mini, 500x etc (thought its a very 'Marmite' car in that respect), and that's fine if she wants' a 'handbag' car, but just remember that looks aren't everything, and besides, the Mazda CX-3 is a very good looking car (the CX-5 is nice outside, a bit more staid inside but not that bad at all). Just remember this when one of you is driving little Jonny to his footie game/little Jane to her ballet recital and the 'nice looking' car grinds to a halt (not the first time) and strands you for over 2 hours, missing the event and ruining your day.
Buying a car for family use should, in my view, be solely with the head and not the heart (as much as may wish to), as you have greater concerns. A single person is only responsible for themselves. Jus sayin'.
PS. We're not making these points just to annoy you - they are honest advice/opinions based on our own experiences and those of fellow Backroomers.
Edited by Engineer Andy on 29/12/2017 at 11:55
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