when travelling at say 85mph...is the wind/engine/tyre noise obtrusive or is
it not too bad?
i'm assuming the 1.8 is quieter than the 1.6 engine?
Does the ghia model have more sound insulation or are all the models the
At 85-90mph yes the 1.6 is moderately quieter than the 1.8 due to the
slightly higher gearing, and being a more modern power unit.
My 1.8 Zetec 2000 doesnt have any underbonnet sound insulation- it was abit
hit and miss as Paul says. But I think the Ghia models are fitted with more
insulation and run on higher profile tyres (if on steel wheels) which
generate less road noise which is going to be the noise factor rather than
90mph indicated in the 1.8 is around 3900rpm and normal coonversation is
easy. Any speed where the engine is over 4000rpm is when engine noise is
louder then road noise.
There is also a Volvo S70 2.5 in the family which crusies at 90+ in almost
silence though, so maybe you really want a larger (perhaps more prestege)
saloon if quietness at high speed is the priority.
The wheel size is related to the model (i.e CL, LX, zetec) rather than
Those with 15" wheels will have lower profile tyres which means that the
overall diameter is the same as those with 14" wheels.
British Jet Engine Website http://www.britjet.co.uk
Rolling radius for both 14 and 15inch wheels is the same as the 15inchers
run lower profile tyres.
The final drive for the 1.6 is actually higher than the 1.8 which is why its
so frustrating to get much acceloration out of the 1.6 without dropping to
3rd and getting into 5-6000rpm territory.
I have the 1.8 for the same reason- you don't need to extend it to get the
*flames from Paul (again)* ;-)
At 85mph, which I've only ever experienced on the track of course ;-) , I'd
describe noise as OK, but it aint no Merc. You will need to raise your
voice to speak to rear passengers.
My experience is that the Ghia (petrol) is quieter than the Zetec (diesel),
for both wind and tyre noise - same wheels BTW. Oddly the diesel engine
seems quieter at speed, perhaps due to revving lower.
Neither Focus is as quiet as my old (96) Mondeo was. Focus wouldn't be my
first choice for a lot of MWay driving.
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