why diesels- odd numbers, 1.7, 1.9 etc?? and petrol 1.6, 1.8 etc

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why diesels- odd numbers, 1.7, 1.9 etc?? and petrol 1.6, 1.8 etc

To be fair, he said usually.

And further qualified it with 'not all the time' ;)

No idea why :confused: The french used to do it with petrol engines too, pug/citreon 1.9, renault 1.7, 2.1 etc...

Maybe it was to do with taxation rules in other countries?

But, as Stu pointed out, the trend seems to be reaching and end with more and more diesels now 2.0 instead of 1.9.
 
Helz said:
None of them are dead on anyway - for example my car is a 1242, closest is 1.2l but Fiestas/ Kas are 1259, rounds up to 1.3l even though they are very close in engine size :)

the new feistas are 1242 16v lumps, ford sell them as 1.25's where as fiat use a 1242 16v in the puntos, and call it a 1.2.

All about marketing.

I think with the diesels, it probably is so people can easily distinguish between the diesel and petrol ranges. that'd be my guess anywya
 
Mine too arc, but it not being a hard and fast rule by any means, i am not sure if that stands though. I also considered, in all seriousness, I can't imagine the basis of engine CC design being related to allowing consumers from working out what engine size is which.

I guess since most ranges which have a 1.9 diesel have a 1.8 and 2.0. so may be confusing (nothing more) about whether you're talking about a 1.8/2.0 diesel if the petrols exist too.
 
peugeot used to make a really reliable denzil engine that rover used in its 200/400 series. they were 1.7 and 1.9 lumps if i remember right. could it be the same with other car manufacturers?
 
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