Author Topic: Fuel Consumption  (Read 7895 times)

AlanTR

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Fuel Consumption
« on: May 28, 2022, 01:01:26 PM »
We recently did a 1012 mile trip from South Tyneside to Cornwall/Devon and back. It was our first long trip in the Jazz Crosstar. Most of the driving was motorway (A1M, M18, M1, M42 and M5) plus dual carriageway and various country roads. We pretty much stuck to the speed limits and for the whole trip we recorded 57 mpg (dashboard display). Having read that 50 mpg was the best you could expect from the hybrid for motorway driving, I was pleasantly surprised.

sportse

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Re: Fuel Consumption
« Reply #1 on: May 28, 2022, 01:25:13 PM »
It’s strange - my EX gets 50mpg on the motorway but a loan Crosstar I had was getting 56/57mpg on the same roads.

I would have thought the crosstar would get slightly less mpg being higher.

peteo48

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Re: Fuel Consumption
« Reply #2 on: May 28, 2022, 03:35:26 PM »
We recently did a 1012 mile trip from South Tyneside to Cornwall/Devon and back. It was our first long trip in the Jazz Crosstar. Most of the driving was motorway (A1M, M18, M1, M42 and M5) plus dual carriageway and various country roads. We pretty much stuck to the speed limits and for the whole trip we recorded 57 mpg (dashboard display). Having read that 50 mpg was the best you could expect from the hybrid for motorway driving, I was pleasantly surprised.

I think that's pretty good. Others have reported that, at a steady 70, mpg suffers but it's likely that your trip included some slower stretches. I think some people can be unduly disappointed by mpg at 70 mph but most cars will give less than optimum mpg at that speed with wind resistance being a big factor.

The strength of the hybrid set up is in town work and lower speeds but it's good to know that you'll get over 50 mpg at high speeds.

AlanTR

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Re: Fuel Consumption
« Reply #3 on: May 28, 2022, 05:30:19 PM »
The first day was 310 miles (South Tyneside to Weston-super-Mare) just about all motorway with free-flowing traffic and we averaged 46.5 mpg. The homeward journey (Dartmouth to M5 and onwards M42/M1/M18/A1M) was 416 miles with quite a few delays.

Neil Ives

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Re: Fuel Consumption
« Reply #4 on: May 28, 2022, 09:07:56 PM »
On a trip this week from the UK Midlands to Cornwall on motorways I achieved 55mpg. Average speed shows 60mph
Neil Ives

Kremmen

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Re: Fuel Consumption
« Reply #5 on: May 29, 2022, 05:00:24 AM »
Nobody drives exclusively on the motorway.

I come quite close. I mainly only use mine for my weekly trip to a relative.

Leave home, 200 yards to a 50mph dual carriageway.
1 1/2 miles to motorway
27 miles on motorway
2 miles to house
Let's be careful out there !

Jazzik

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Re: Fuel Consumption
« Reply #6 on: May 29, 2022, 09:19:50 AM »
And still 61,3 mpg.
If nothing goes right, go left!

sportse

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Re: Fuel Consumption
« Reply #7 on: May 29, 2022, 09:26:03 AM »
I almost exclusively drive on the motorway, at least 90+%.

2 miles from the motorway and mos trips ranging from 55-90 miles each way, with only a couple of miles at the other end.

Long term I’m almost exactly 50mpg.

But on the few occasions where I do take country roads I can get 70/75mpg.

Kremmen

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Re: Fuel Consumption
« Reply #8 on: May 29, 2022, 11:24:53 AM »
And still 61,3 mpg.

Yes, I'm very light on the throttle and rarely use the brakes  :)

But mainly, I rarely do 70. I'm happy at 60 or so, inside lane.
Let's be careful out there !

peteo48

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Re: Fuel Consumption
« Reply #9 on: May 29, 2022, 11:38:49 AM »
I am an inside lane dweller as well. I don't need the stress of fighting it out in lanes 2 and 3 anymore. I will hit 70 if there's nobody in front of me ;)

Jazzik

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Re: Fuel Consumption
« Reply #10 on: May 29, 2022, 11:53:28 AM »
While 57 mph is what we normally do on A roads... Motorway: ACC on, somewhere between 72 and 78 mph. depending on mood and/or circumstances.
The speed limit on our motorways is 87 mph.
Fortunately (as for our consumption): we drive about 20, maximum 25% motorways. That is probably the reason we still have a consumption of only 4.55 l/100 km = 62.1 mpg.
« Last Edit: May 29, 2022, 12:47:40 PM by Jazzik »
If nothing goes right, go left!

Worthingmike

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Re: Fuel Consumption
« Reply #11 on: May 29, 2022, 01:45:07 PM »
My jazz has just completed 11136 miles in the last 11 months. That included two trips to Italy 600 miles a day so driving quite quick. Returning journey the car was quite full with the back seats down and stuff piled high. A couple of trips from the sussex to Scotland. Again 436 miles each day. I record all fuel I put in and the fuel used over that distance gives 63.2 mpg. Very pleased with that. Much beter that my Volvo XC 60 diesel.

Jazzik

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Re: Fuel Consumption
« Reply #12 on: May 29, 2022, 02:37:28 PM »
Forgot to mention that we always use "ECON" and "B" mode.
"D" mode only when we use the ACC (motorways and dual carriageways).
If nothing goes right, go left!

Kremmen

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Re: Fuel Consumption
« Reply #13 on: May 29, 2022, 03:32:39 PM »
I've been running Econ all winter.

On a trip yesterday the car was in full sun and I had the temp set to 21C. During the trip the cabin was getting hotter and hotter.

Having had this before on 3 Civics I turned Econ off and immediately the cool air kicked in and started cooling the cabin.

Econ definately kills the aircon.
Let's be careful out there !

sportse

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Re: Fuel Consumption
« Reply #14 on: May 29, 2022, 04:28:33 PM »

Econ definately kills the aircon.

That was something I noticed in other hybrids too, I wasn't able to use econ at all as the cabin became too hot/stuffy.

Jazz recirc air at least seems to let some in, in Toyotas the air just got very stuffy.

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