General Performance of the 1.6

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General Performance of the 1.6

mitchellinman

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hi im intentially looking to purchase a jtd stilo, upgrading from my punto 8v and am finding it very difficult to get the right one in a 3dr, so basically i want decent performance hence why i was going for the jtd which i was going to get remapped but alot of you guys have the 1.6 and thought since there a good grand cheaper i may be interested in one, but what is the performance like, cos the puntos rather slow in mid speed around the 40 takes quite a while to speed up and overtake etc, so is the 1.6 alot more powerful, hope you understand me :eek: , so if someone could advise me? what are they like from standstill etc? kind regards Alex

edit: is the 1.8 significantly more powerful and quicker than the 1.6? and the jtd?
 
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I have just come from a 1.6 Dynamic to a JTD (remapped). As he says, hold out. The standard 115BHP blows the 1.6 away by a large margin. The remapped version is in a different class.

Thats not to say the 1.6 is a slouch cos it ain't. But there is a world of difference. I tried the Abarth and it has it on the JTD top end but I didn't notice a great deal of difference mid range.

The 1.8 comes no-where near the JTD
 
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bozzy said:
The 1.8 comes no-where near the JTD



I find that hard to believe, the JTD will be quicker off the mark of course because it has more torque & it delivers it much lower down the rev range but the 1.8 will almost certainly do it as it's much lighter than the JTD & has more BHP!( standard trim) (y) At the end of the day you can't really beat the JTD because you get everything performance wise & economy wise! (y) But I would still say get an abarth! :p :devil:
 
thanks for the replies guys, sorry ben cant afford to run an abarth and insurance would be out of the question, always have had my heart set on a jtd but cant find one in my budget of around 5k in a 3 door and kinda want the sky roof aswell, but if it comes to the worst will probs have to compromise the sky roof :( kind regards Alex
 
bozzy said:
The standard 115BHP blows the 1.6 away by a large margin.


Err... I think you'll find that it won't! I have yet to come across a standard JTD 115 that'll beat the 1.6 "by a large margin". I would say they're about even in straight line acceleration. Even the 150BHP Fiat engines in Vauxhalls aren't much quicker than the 1.6 Stilo (Tried and tested against a VX Signum 1.9 cdti 150bhp). Drive both cars at 40mph in 4th gear and the JTD will pull away quicker, drive at 40mph in second gear and the petrol won't have much of a problem leaving the JTD behind.

I think where people are getting confused is the short, but powerfull, acceleration over a short rev range in the modern turbo diesels. They make it seem quicker than it really is. Diesels still only have a narrow rev band compared to petrol engines. Where diesels "only" have about 3000 revs of performance (i know they rev higher but they are at their most productive between 1500-4000 revs), petrols have their power spread out over a much larger rev range. This makes the petrol seem slow but in real terms, on the road driving, it makes very little difference (as in straight line acceleration ie: a traffic light grandprix).

Another thing to remember is that (I'm making assuptions here, not tried doing this to a diesel) a diesel needs 2 gear changes to reach an indicated 60mph. The 1.6 only needs 1.

Don't get me wrong, I appreciate modern diesels and their performance ;) but if you keep engine sizes proportional and turbo the petrol or N/A the diesel to keep the aspiration the same, ie. make a 1.9 turbo petrol or a 1.6 N/A diesel, the petrol engine will always make more power. It may not be as economical as the diesel but will still be more powerful. You only have to look at Nikos_GR's 1.6 turbo for this (approx 180bhp).

At the end of the day, it's not a fair comparison to put the 1.6 against the JTD. The diesel has 300cc's more and a turbo on top of that to make it perform like a petrol.
 
The 1.6 Stilo is a nice nippy car. If your buying it from a less powerful engine, 1.2, 1.4 then you will be pleased...

Fuel economy is poor on it though.

The sound is nice at high revs if sounding a bit strained.
 
StiloSport said:
Err... I think you'll find that it won't! I have yet to come across a standard JTD 115 that'll beat the 1.6 "by a large margin".

Well you needed to try my JTD against my old 1.6. It was appreciably slower than the JTD even in standard mode. Mapped it's way behind and that is from somebody who has had both models.

I loved my 1.6 believe me and it had all the power I needed but it's not fair I suppose to compare apples with pears.
 
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Good explanation Stilosporting

Re Paulmacs "poor fuel economy on the 1.6" then I'm getting 38-46mpg which is the same as those mpgs quoted by those using the JTD on the JTD thread.

I'm surprised in that I thought the diesel would be appreciably more economical. It would take a hell of a lot of mileage to make economy an overriding factor and diesel fuel's more expensive here too
 
I frequently see off loads of Diesels in my 1.8 including the JTD Stilos.
1.6 Stilos give me a good run for my money though!!!

Personally I like the JTD as its more relaxing to drive........ BUT.... Like what has been said previously there is loads of low down power but on gear for gear changes the 1.8 makes the JTD look like a small spot in your rear view mirror! (1.6's are a much bigger spot in thye rear view mirror)
Id go for the 1.6 if you want top end speed but thats just my opinion! (y)
 
With regards to the JTD, am I still right in saying that as a diesel it uses a longer crank, which means that the JTD would perform much better at higher end speeds. For example, increasing from 50-70 on a motorway, (or higher of course to get that friggin BMW out of your boot) the JTD wil pull away far quicker than the petrol equivalent... I find that mostly where i want the speed, which is mostly where my 1.6 AS is lacking.

I think the 1.6 is great, but i do feel it's not got quite enough juice off the mark, for it's size.
 
lugoil said:
I frequently see off loads of Diesels in my 1.8 including the JTD Stilos.
1.6 Stilos give me a good run for my money though!!!

Personally I like the JTD as its more relaxing to drive........ BUT.... Like what has been said previously there is loads of low down power but on gear for gear changes the 1.8 makes the JTD look like a small spot in your rear view mirror! (1.6's are a much bigger spot in thye rear view mirror)
Id go for the 1.6 if you want top end speed but thats just my opinion! (y)

im assuming your reffering to the unmapped jtd? as that wouldnt make sense that off the mark the 1.8 is faster than the jtd yet the jtd is faster off the mark than the abarth???? so the 1.8 is faster than the abarth? :confused:

dont know how this compares but i was on the m-way the other day and a vectra 2.5 v6 was having difficulty pulling away from my remapped jtd? :eek:
 
stilosporting said:
im assuming your reffering to the unmapped jtd? as that wouldnt make sense that off the mark the 1.8 is faster than the jtd yet the jtd is faster off the mark than the abarth????

ROTFL! Sorry mate, but NO!!! unless you mean in the sence that I'm faster off the mark when I'm running...for about a milisecond! :p

In all fairness, you can't really go far wrong with any model in the range...pick the one that best suits your needs. Consider though that it will take you a long time to recoup the extra cost of the jtd in fuel savings. Having said that though, the JTD is far more tunable. :D My 1.6 is all I need, its suprisingly torquey and pulls nicely round town (y)
 
Deckchair5 said:
Good explanation Stilosporting

It's StiloSport.... :p ;)



bozzy said:
Well you needed to try my JTD against my old 1.6. It was appreciably slower than the JTD even in standard mode. Mapped it's way behind and that is from somebody who has had both models.


It's hardly a fair comparison to put a 1900cc Turbo (be it petrol or diesel) against a 1600 N/A! Like I said in my previous post, make all the proportions equal and the diesel will NEVER match a petrol!

What you are doing is putting a remapped JTD against a standard 1.6 which are simply put, 2 completely different cars! Look at all the "boosting" the diesel needs to perform like a petrol car: More CC's, Turbo, remapping, shorter gear ratio's etc....

:rolleyes:
 
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