Author Topic: The Mazda 3 Fuel Economy Thread  (Read 339967 times)

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Offline StevenRB45

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Re: The Mazda 3 Fuel Economy Thread
« Reply #825 on: July 10, 2019, 11:24:03 AM »


New PB...not bad given again I'm not hypermiling. So achieved 3 up with a boot full of crap travelling at NSL+. Also climate control and a/c on whole time.

Trip computer only said 44.4mpg oddly but it gets pessimistic if you get stuck in traffic a bit i find.

Tbf I could have cheated on this one and filled up mid week so there would have been no round the the doors in involved at which point I suspect it would have been nudging 47-48 but given the official figure is 43 for this car I'll take that.
« Last Edit: July 10, 2019, 11:32:33 AM by StevenRB45 »

Offline Engineer Andy

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Re: The Mazda 3 Fuel Economy Thread
« Reply #826 on: August 01, 2019, 01:30:47 PM »
I'm recently back from holiday in the West Country and my gen-1 1.6 petrol (just me in it, but laden with suitcase, full rucksack, provisions [self-catering holiday] and golf bag and trolley [full boot]) managed to achieve around the 44mpg mark on Ron95.  Not bad for a 13yo car (essentially the same as 10 years+ ago), including mooching around Cornwall on many country lanes as well as the mainly motorway/dual carriageway (at 70mph most of the time) journey there and back, with the A/C on throughout. Still averaging about 40.5mpg over the long term, similar to StevenRB45's car.  Just shows how decent an engine it is in the long term, especially when well looked after.

Unlike many of the latest cars on sale today, those from the late 90s and up to around/just after 2010 often seem to exceed their expected (official) mpg, even in mixed driving.

Offline andyl

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Re: The Mazda 3 Fuel Economy Thread
« Reply #827 on: September 03, 2019, 08:27:55 AM »
Recently saw on the ( slightly optimistic ) fuel computer 59.9 mpg running on A roads and a bit of urban.

I have had it in the past when an older diesel engine gets more economical. My wife's 2004 Honda Accord had almost 140K on the clock after 3 years and on a 70mph motorway cruise was returning 64 mpg!

Offline GTC

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Re: The Mazda 3 Fuel Economy Thread
« Reply #828 on: March 03, 2020, 07:39:56 PM »
2015 2.0 petrol, 44mpg calculated from brim to brim mileage. about 40% town/60% A roads. very pleased with this!

Offline red_imps_2003

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Re: The Mazda 3 Fuel Economy Thread
« Reply #829 on: March 09, 2020, 05:40:58 PM »
That's really decent! My smaller diesel engine doesn't manage much more (currently 52.5) to warrant the additional purchase/maintenance costs and the generally slightly higher price of fuel.  :(
So I was stood there trying to work out why the cricket ball was getting larger and larger...and then it hit me.

Offline Engineer Andy

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Re: The Mazda 3 Fuel Economy Thread
« Reply #830 on: March 09, 2020, 05:54:16 PM »
Bear in mind red_imps that your car is over 10 years old and GTCs is half that age with a new engine design - their figure is in-keeping with the 'Real MPG' reported by owners on Honest John's website.  Still, it does show how far the car has come over the years, although (as I found out when test-driving one) the normal performance (i.e. not flooring it) of the car is not that much better than the gen-1's 1.6 petrol engine, as Mazda have tuned it more for efficiency for everyday driving than performance.

Offline andyl

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Re: The Mazda 3 Fuel Economy Thread
« Reply #831 on: June 24, 2020, 09:54:14 AM »
Put in some diesel treatment fluid, headed down the motorway and mainly dual carriage ways and the computer was showing 65 mpg!

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Re: The Mazda 3 Fuel Economy Thread
« Reply #831 on: June 24, 2020, 09:54:14 AM »