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Fiesta 1.0 Ecoboost Vs 1.5 Tdci


mcalr3
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1.0 Ecoboost Vs 1.5 TDCI  

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  1. 1. Which engine do you recommend for approx 14000 miles a year in total?



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Hi All - hope I have posted this in the correct place!

My fiance is looking for her first car for commuting. She will be doing approx 45 miles a day, of which about 42 is motorway. Works out to about 11000 miles a year. Traffic is sometimes an issue so approx 5 miles of stop start driving per day on this route.

We have test driven both the 1.0 Ecoboost (100PS) and the 1.5 TDCI (75PS) both 15 plate titanium models with around 5000 miles on the clock - the diesel is £200 more but cant make up our minds as to which engine will be best?

The diesel feels more torquey and the petrol feels more refined, I know alot of you would say its down to preference but what is good advice as to which is the best one for us and the amount of miles being driven?

Also, do the new facelift Fiestas have the issue with the Alloy wheels buckling?

Thanks

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How much time and miles are spent per journey, not just total?

The alloys seem to be stronger on the facelift, they also use slightly higher profile tyres now.

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23 miles per journey, about 30-40 miles depending on traffic, mostly all is motorway

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Diesel should be ok with that.

I wouldn't want less than the 95PS though, if it was me.

The 1.0 will be more fun, the diesel more frugal.

It depends what you want really...

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Okay and what about remapping? I can see that the petrol can gain 145PS from a stage 1 remap, does this affect fuel economy?

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Map has no affect on economy , only your right foot affects economy on 1.0 with remap.

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5 years ago I would have said diesel all the way...

But now I have the 1.0 140 bhp (red edition) and I can't think of any reason why I would chose the diesel - well ok mpg would be better but I can get high 40's on a long run and low 40's running about so thats good enough for me.

Having an engine thats refined and quiet but sounds great when pushing it is just great :)

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I own & drive both a diesel & a petrol vehicle & I would advise you to buy the petrol version & at least you'll have no DPF or EGRV issues

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I own & drive both a diesel & a petrol vehicle & I would advise you to buy the petrol version & at least you'll have no DPF or EGRV issues

MONDEO TXS 2.2 does give good advice but I honestly know that with your mileage you've described you will do will be more than enough to burn off any clogging soot and you'll be doing enough to complete plenty of mini DPF Regens when needed that you shouldn't have an issue, diesel systems are much better now than a few years ago at looking after them selves.

14k miles is enough to warrant the MPG gains you'll get with the diesel but there wont be an extreme loss of MPG costs if you go for the 1.0l petrol, you also mentioned 11k miles a year I think I would prefer the 1.0l petrol for them miles as your probably looking at a max 5-10% difference in MPG costs if you do a total of 11k miles.

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The issue with DPF regenerations is that mileage alone is not the key to successful DPF regeneration, of which there are three types, passive, active & the last resort, forced, which has to be carried out at a stealer

If all of these fail the DPF can be cleaned by specialist companies or renewed at high cost

Good quality fuel & low ash oil & high exhaust temperatures are essential to maintain DPF health

VERY FEW in tank DPF cleaners actually work as they are combusted prior to reaching the DPF - Archoil are the only products I would recommend

DPF regenerations depend on very high exhaust temperatures

Driven '' properly '' i.e. plentiful high engine speed journeys, passive DPF regeneration should occur

In the absence of plentiful high engine speed journeys active DPF regeneration will / should occur - this is where the ECU detects unsuccessful passive regenerations & initiates an active regeneration ( injecting fuel into the exhaust system to increase the temperature sufficiently to initiate DPF regeneration )

Active DPF regeneration has drawbacks such as oil dilution / interruption caused by turning the engine off mid cycle

The last resort of forced regeneration occurs when passive & active regenerations have failed & the DPF is beyond regeneration & needs stealer intervention

It is true that the more modern CDPF's should outlive the life of the car, but correct operation of the vehicle is still required

I personally would not buy any 75bhp diesel car as I think it's seriously underpowered

Hope you find this info useful :)

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Of course in this scenario the diesel engine in question is 75 bhp & I'm speculating that @ 70mph in top gear sufficient engine revolutions may be present to allow sufficient heat to be generated to initiate passive DPF regeneration.

My 2.2 TDCi 230 bhp TXS Mondeo is barely ticking over @ 70 mph in 6th gear ( common motorway driving scenario as quoted by the OP )

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Thank you all for your very detailed responses.

Went for another test drive in the ecoboost today so we decided to plump for that one, picking it up on Thursday! :)

I drive a 59 plate 2.0 CDTI Insignia just now that had a mirade of problems related to DPF and so it's remapped to 230bhp and 500Nm with the DPF removed...but i am thinking I want a new Mondeo now... fords are so quiet and smooth!

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Good choice, just a case of a remap now. Lol

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I'll be dying to remap it just to see what it can do! But probably will wait until its out of Ford warranty period, its only 4 months old just now.

Checked my local tuning shop in Glasgow (Ecotune - they are great) and the stage 1 software remap takes it to 145BHP! :O

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You got a long 32 months to go then. I couldnt wait that long. Lol.

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Great info thanks, I suppose I use Shells Nitro+ diesel so that's probably a big reason I've never had any DPF issues even after having to do short journeys for 2 weeks once. I have tried a non synthetic 2 stroke oil additive for awhile when I was forced to use tesco's own brand fuel for awhile and that helped reduce the amount of regens and the engine wasn't as loud and rattly on cold starts but its not as good as v-power.

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Who was the one person who voted TDCI ??? on the Fiesta.

I'd have a TDCI in a Mondeo any day, but not in a Fiesta with a cracking 1.0 petrol engine.

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SNC voted for the derv . . . & then stated that the petrol would be better :unsure:

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Nice one SNC.

Would have been a fat 0 for derv. :lol:

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I did vote for the diesel as 14k of motorway miles per year as stated in the poll is enough to justify the savings of the diesels esspecially since diesel is currently cheaper per litre than petrol but I never said the petrol would be better, I said if 11k is the total miles you'll be doing as mentioned in the original post I said the diesel will only be very marginally better that I'd go for the petrol as that will be more fun. I still stick by my diesel vote for 14k miles a year as if you keep the car for 3 years you'll have added 36k miles to the car and you'll get a better resale from a 3 year old diesel that's done that much than a 3 year old petrol car with that millage.

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SNC - '' I think I would prefer the 1.0 petrol for them miles '' - sounds like an endorsement to me ! :)

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SNC - '' I think I would prefer the 1.0 petrol for them miles '' - sounds like an endorsement to me ! :)

You only quoted part of my words that bent what I said:

you also mentioned 11k miles a year I think I would prefer the 1.0l petrol for them miles as your probably looking at a max 5-10% difference in MPG costs if you do a total of 11k miles.

So yeah like I said I would prefer the 1.0 litre petrol if the original poster is only doing 11k miles a year like they said in the original post but I said I would recommend the 1.5 diesel if you were doing 14k miles like the poll says. Don't forget I have and went for the 1l petrol but that's because it will do 5k miles a year and because the original poster is asking the question in the first place I assumed he was conscious of costs to ask it and if I was doing 14k miles a year I would go for a diesel as I voted :)

In the end the original poster has gone for the petrol and good on him he will enjoy it :)

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I mentioned 11000 miles initially because thats what she will be doing minimum, just commuting (well exactly about 10700), so probably after you add leisure will be about 14000

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I mentioned 11000 miles initially because thats what she will be doing minimum, just commuting (well exactly about 10700), so probably after you add leisure will be about 14000

Then I stick by my diesel vote :P but yeah you definetly haven't made a bad choice in any sense as the 1L petrol is an amazing car and engine expecially if you do get it remapped :D I know ;)

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