Fuel Economy: Real vs Official

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MikeAqua

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Topic # 201837 6-Sep-2016 08:54

I thought it might be interesting to compare manufactures fuel economy with what people experience in real world driving.

For example in our case: -

2015 Mazda 3 SP25 (2.5L petrol)

Manufacturer: 6.0L/100km

Actual average: 8.1L/100km

Driving: Mix of 50 and 100 with a little bit of 80.

Mike

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Reply # 1624396 6-Sep-2016 09:28

Probably mention what sort of driving as well, because highway vs city is going to be a huge difference for a lot of vehicles. ie: Our Premacy does 700km on a tank on the highway, yet only 4-500 around town.

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MikeAqua

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Reply # 1624404 6-Sep-2016 09:39

xpd:

Probably mention what sort of driving as well, because highway vs city is going to be a huge difference for a lot of vehicles. ie: Our Premacy does 700km on a tank on the highway, yet only 4-500 around town.

Ours is a mix. Live on the outskirts so '100', 80, and 50.

Mike

wellygary

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Reply # 1624405 6-Sep-2016 09:41

MikeAqua:

xpd:

Probably mention what sort of driving as well, because highway vs city is going to be a huge difference for a lot of vehicles. ie: Our Premacy does 700km on a tank on the highway, yet only 4-500 around town.

Ours is a mix. Live on the outskirts so '100', 80, and 50.

The speed is not really the biggest impact for town driving, its how much stop/start and brake/accelerate there is...

E3xtc

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Reply # 1624407 6-Sep-2016 09:43

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Its all pretty subjective around how heavy your foot is and how you drive (ie smooth versus hard accelerating/braking etc)...but I will play the game:

Mazda CX-5 2.5P AWD

Manufacturer = 7.4 litres / 100km

Us = ~9 litres / 100km (this is my wife driving, I rekon I could get it down somewhat)

Mainly suburban driving

Subaru BP Legacy Wagon 3.0P Auto

Manufacturer = 10.9 litres / 100km

Us = 12 litres / 100km

Mix of suburban and short motorway bursts

MikeAqua

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Reply # 1624408 6-Sep-2016 09:45

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wellygary:

MikeAqua:

xpd:

Probably mention what sort of driving as well, because highway vs city is going to be a huge difference for a lot of vehicles. ie: Our Premacy does 700km on a tank on the highway, yet only 4-500 around town.

Ours is a mix. Live on the outskirts so '100', 80, and 50.

The speed is not really the biggest impact for town driving, its how much stop/start and brake/accelerate there is...

KISS principle.

What does your manufacture say: how much do you actually use.

Mike

sonyxperiageek

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Reply # 1624409 6-Sep-2016 09:46

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Whatever the manufacturers say, I normally add around 2/3 litres per 100km on to it.

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Reply # 1624412 6-Sep-2016 09:50

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2015 Ford XR8 (5.0L petrol)

Manufacturer: 13.6L/100km (Combined)

From instrument cluster: 15.5 (typical, always incorrectly optimistic)

Actual average: 17.7L/100km (City, 13 months based on fuel in vs km's travelled)

WyleECoyoteNZ

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Reply # 1624427 6-Sep-2016 09:54

2012 Holden Cruze SRi-V Hatch, 1.4L 4cyl Turbo, 6spd Auto

Manufacturer = 6.6L/100 Kms

Us: Seen 6.9L/100kms when we travelled at Christmas last year. That was 4 up (2 Adults 2 toddlers) and luggage

Us: Mid 8/100 Kms around town. Can be worse if I'm driving as opposed to my wife driving.

davidcole

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Reply # 1624434 6-Sep-2016 10:05

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Have a look on fuelly.com. Gives you the ability to drill down on car models very similar to yours and find what others do. Unsure how much cheating might be involved (that benefits who?)

I tend to average about 8L/100km city driving, down to about 6.8L/100km on a long trip - 3L V6 Turbo Diesel.

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Reply # 1624437 6-Sep-2016 10:07

My 2007 V6 Commodore manufacturer states 10.9 combined average. In reality mine sits on about 17-18 because about 85% of my driving (or more) is stop/start, crawling Melbourne commuter traffic. On a trip I have seen it as low as 6L/100k.

My car is at the panel beater at the moment (someone sideswiped me while I was parked) so I have a loan car which is a 2014 Nissan Pulsar ST 1.8L. Even that is getting 11L/100km on my commute (manufacturer average is 6.7) but long term average in the trip computer is 7.7.

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Wade

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Reply # 1624439 6-Sep-2016 10:08

2008 Honda Accord V6

Rated 10L/100kms

Worst (100% urban, 50% Akld commute) 14L/100km

Best (open road, full load, not driving conservatively) 9.3L/100km

jonathan18

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Reply # 1624440 6-Sep-2016 10:09

2013 Mazda 6 Limited 2.3 limited diesel - claims 5.4 l/100km; can just about manage this in primarily open road driving (eg driving to Wgtn), getting typically 5.6.

Urban, though - typically in the early 8s. My city (Palmerston North) thwarts attempts to drive efficiently, as it has its blocks are typically short, and has so many roundabouts. Further, the traffic engineers clearly take pride in ensuring drives are required to stop at every single red light down a street (eg Princess St). Thank god for iStop - I'm at 25 hours and counting of sitting still at intersections.

But I guess I shouldn't complain about 8sh, when looking at what that Falcon above returns!

sxz

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Reply # 1624445 6-Sep-2016 10:16

Ford Focus turbo diesel 1.8L 2010.

Don't know the rated value, but we usually get about 700km with mixed driving, around town and highway. Have practically got it to 800km to a tank with pure open road. I think the tank is about 45L although try never to run it to reserve. Works out to about 6.5-5.5L per 100km. About 3 times better than my last car :)

tchart

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Reply # 1624446 6-Sep-2016 10:16

Our 2010 Kia Sportage was a thirsty beast. I don't know what the official stats were but we were always 10-11L/100km (unless on long highway trips).

We just purchased a new Vitara (AWD). Official stats are 6.3L/100 and after a few months we have averaged 6.7L/100 so not bad at all.

nzkiwiman

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Reply # 1624449 6-Sep-2016 10:17

2014 Mazda 3 GLX (2.0 litre)

Claimed: 5.8l per 100km
Urban: Between 7 and 9l per 100km (use more in winter than summer)
Open Road: 6.0l per 100km

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