3 cylinder engines dont do meny miles?

mattyfez said:
Some people will just drive a car for 5 years without so much as changing the oil.

Then the car will break, regardless of how many cylinders it has..
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This.. You'll find a lot of people never service their car and only get any work done when it breaks. Some even think the MOT is a 'service'
 
Uriel said:
The Insight 2 also does around 2500 rpm at 75mph. It's a 4 cylinder though.
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To be fair it's CVT so if road load increases it can decide to increase the rpm unlike a manual so it allows lower rpm than possible. Wonder what the CVT i1 runs down to.

The point here I guess is engine life in terms of rpm. As
3 cylinders typically run faster components may wear out sooner in terms of car miles because the component has been through more cycles.
 
might come from the smart car engine, they seem to often need a rebuild once the mileage gets higher.
 
Jonnycoupe said:
To be fair it's CVT so if road load increases it can decide to increase the rpm unlike a manual so it allows lower rpm than possible. Wonder what the CVT i1 runs down to.

The point here I guess is engine life in terms of rpm. As
3 cylinders typically run faster components may wear out sooner in terms of car miles because the component has been through more cycles.
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You can over ride the CVT varying with flappy paddle models in S mode. It does a 7 speed transmission impression. For some reason, they've set the gearing so that it does about 2600 rpm at 70 in 7th. I've found I can get better fuel economy than leaving it in CVT in the faux manual mode at low speeds but not on a motorway cruise.
 
I've heard Daewoo Matiz 3 cylinder engines don't tend to rack up high milesges.

I can think of few worse things than racking up tens of thousands of motorway miles in a Matiz though.
 
Uriel said:
I've heard Daewoo Matiz 3 cylinder engines don't tend to rack up high milesges.

I can think of few worse things than racking up tens of thousands of motorway miles in a Matiz though.
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Probably because they are rubbish, nothing to do with the fact it has one less cylinder.
 
Phil2008 said:
Is this true because people told my sister that they do about 100,000 miles and then the engine fails?
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Only if it's the 3 cylinder engine in an early Smart car, in which case you'd be doing pretty well to make it to 100k miles. However, that was just poor engineering, there is nothing inherent to a 3 cylinder engine that makes it shorter lived than a 4 cylinder.
 
All standard/non performance cars are detuned so that they last including pretend cars like 3 cylinder ones. :D
 
My Mrs had a 3cyl 1.2 polo and it was so simple it was bomb proof. It still sounded quiet at 130k before it was wrote off in an accident. We put 70k on it and other than regular servicing, it only ever needed the 3 coil packs (£32 each) replacing which are a well known problem.
 
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