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Old 28-07-2015   #16
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Re: 4x4 ta, mpg question

Chr1s - I think your assessment is probably about right - however climate control may impact it less as it cuts in/out, so would be harder to measure.
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Old 28-07-2015   #17
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Re: 4x4 ta, mpg question

I've just picked my TA Cross from it's first service. The fuel consumption for the first 8880 miles was 50.5mpg. In the 26 miles driving home the average consumption was 51.4mpg. This is exactly the same as for the previous 3000 miles (Trip B). So no deterioration in fuel consumption.

Interestingly Fiat have a modification to the rear brakes to eliminate the noise. The information from Fiat, via the dealer, was that earlier attempts at a cure involving changing pads, guide pins, greasing etc. were not effective. The parts are on order so I'll be able to report back soon as to how effective the modification is.
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Old 28-07-2015   #18
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Re: 4x4 ta, mpg question

I'd be very interested to hear about that modification.....
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Old 28-07-2015   #19
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Re: 4x4 ta, mpg question

Quote Originally Posted by triumph7 View Post
I'd be very interested to hear about that modification.....
Me too as despite a visit for rectification, mine still howl in reverse.

Can't help but that's partially responsible for the poor mpg.
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Old 28-07-2015   #20
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Re: 4x4 ta, mpg question

Mine too.....of course it didn't when it went in for service! Soooooo annoying. Like the knock inside a door that is silent when the dealer has the car.
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Old 29-07-2015   #21
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Re: 4x4 ta, mpg question

My brakes are silent as the grave, forwards and backwards, but I'm still puzzled at the 10mpg difference in fuel consumption between PaulD and me, especially as we both spend much of our time trundling back and forth across East Anglia at a steady 50-60 mph!
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Last edited by gar074; 29-07-2015 at 01:02.
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Old 29-07-2015   #22
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Re: 4x4 ta, mpg question

I'm getting 41 mpg in my 4x4 TA and that's with a lot of M1 motorway miles at 50mph.
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Old 29-07-2015   #23
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Re: 4x4 ta, mpg question

Had my TA Cross serviced about 4 weeks ago, pads changed and now not so much as a squeak from the rear brakes. Of course they might have done something else too but if they did they didn't mention it. Currently averaging about 40mpg as I have done a fair few long journeys recently. Air Con has been on from day 1 and Eco button and stop/start disabled as I have no interest in either function.

50 to 65 mph and no hills and economy can be as high as 60mpg, add gradients, acceleration and "pressing on" and motorways see you down in the low 40's or even high 30's. City driving kills TA economy (at least for me) 33-36mpg is the norm. However I've said it before and I'll say it again I didn't buy the Cross for its economy, it matters little to me. I am happy enough with the economy I do get and more than happy with how the Panda makes me feel. At the moment for my requirements Fiat have built me the perfect car and it's not often in my motoring career that I have been able to say that👍
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Old 29-07-2015   #24
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Re: 4x4 ta, mpg question

Quote Originally Posted by Bogwoppit View Post
Had my TA Cross serviced about 4 weeks ago, pads changed and now not so much as a squeak from the rear brakes. Of course they might have done something else too but if they did they didn't mention it. Currently averaging about 40mpg as I have done a fair few long journeys recently. Air Con has been on from day 1 and Eco button and stop/start disabled as I have no interest in either function.

50 to 65 mph and no hills and economy can be as high as 60mpg, add gradients, acceleration and "pressing on" and motorways see you down in the low 40's or even high 30's. City driving kills TA economy (at least for me) 33-36mpg is the norm. However I've said it before and I'll say it again I didn't buy the Cross for its economy, it matters little to me. I am happy enough with the economy I do get and more than happy with how the Panda makes me feel. At the moment for my requirements Fiat have built me the perfect car and it's not often in my motoring career that I have been able to say that👍
Agree with all that. Like u I have little interest in economy but I was just interested in the apparent marked difference pre and post service. Probably my imagination. On motorway last couple days it's up to mid 40's again!
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Old 29-07-2015   #25
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Re: 4x4 ta, mpg question

It seems Air Con only changes fuel economy at low speeds/town driving.

From Auto-Express:

Air-conditioning

The first test simply involved pushing a button on the centre console to activate the air-con. There was a slight change in engine revs as Alan did it, then he and Anthony headed out on to the route.

Sixteen minutes later, they were back – with some dramatic results. “It’s made an eight per cent difference,” explained Anthony. “The mpg has gone from the baseline of 30.5mpg to 28mpg.” His computer highlighted the biggest difference was on the city course. “If I isolate that 0.8-mile stage from the whole route, Alan was getting only 20.2mpg: it was 25.6mpg on the baseline run.” He explained that because the engine revs were lower, the vehicle is running slower, so there’s an effect on economy. “What’s also interesting is that when we were on the bowl, the difference in fuel use between the baseline run and with air-con on is virtually nothing. They were both around 39mpg.”

EDIT: - here's a link to their full article on "myths about fuel economy":

http://www.autoexpress.co.uk/car-new...pg-mythbusters
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Last edited by biminibob; 29-07-2015 at 20:07.
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Old 29-07-2015   #26
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Re: 4x4 ta, mpg question

Check the oil level. My extortionately priced but incompetently completed service left way to much oil in it. So much so that it caused a noticeable drop in mpg. I emptied a litre out and it still showed 3/4 from the top on the dipstick!
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Old 31-07-2015   #27
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Re: 4x4 ta, mpg question

Quote Originally Posted by biminibob View Post
It seems Air Con only changes fuel economy at low speeds/town driving.
From Auto-Express:

“What’s also interesting is that when we were on the bowl, the difference in fuel use between the baseline run and with air-con on is virtually nothing. They were both around 39mpg.”

http://www.autoexpress.co.uk/car-new...pg-mythbusters
I'm not convinced that tests on a 150bhp 4-cylinder diesel Astra are transferrable to an 85bhp 2-cylinder petrol Panda, especially as my (admittedly inaccurate) tests on my Panda TA gave a different conclusion.
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Old 01-08-2015   #28
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Re: 4x4 ta, mpg question

Quote Originally Posted by crossman View Post
Hi all, have began to wonder how much MPG difference there is between the twin air and the MJ engines.
My 4x4 MJ, which has just crossed the 20k miles mark averages in the high 50s mpg on a mix of urban traffic jams, open motorway at 70ish mph and occasional offroad green lanes. Average on trip 'B' over past 16,000 miles is 56mpg - and aircon often 'on'

I recenly reset the 'trip A' computer and drove 'normally' but avoided long uphill stretches, showed 62mpg after a 20-30mile drive. (so better than 'official' average). Seems pretty good to me... (and that's with the Fiat roofbars on too)
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Old 01-08-2015   #29
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Re: 4x4 ta, mpg question

Quote Originally Posted by gar074 View Post
My brakes are silent as the grave, forwards and backwards, but I'm still puzzled at the 10mpg difference in fuel consumption between PaulD and me, especially as we both spend much of our time trundling back and forth across East Anglia at a steady 50-60 mph!
I'd check they haven't taken 10 PSI from your tyres.!!

AFAIK the aircon may be @5%,
BUT HOT weather is usually a good thing for TA's MPG,


still averaging 51 in my Punto TA,
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Old 01-08-2015   #30
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Re: 4x4 ta, mpg question

I only had that sort of an average from my first mk 3 MJ. I have though got an initial high average mpg 50's even touching 62-63, when I reset the trip,but then it would gradually drop to mid 40's. Can only put it down to driving style, if I keep the speed down and go through the gears without too many revs then yes, I probably would maintain a high average. Currently getting bout 46 from new Cross, hopefully this will improve 😀
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