Max speed for a family car in 4th gear?

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Whispering Eye
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#1
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#1
What would be the max speed for a standard family car eg mondeo, in 1st, 2nd 3rd 4th and 5th gear?
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Strictly Business
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#2
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#2
Depends on many things. You can't just choose a number.
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Ghost
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#3
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#3
1st - 23.612 mph
2nd - 40.1 mph
3rd - 60.823 mph
4th - 70.842 mph
5th 80.411 mph
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Higgy90
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#4
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#4
lol
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JC.
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#5
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#5
Depends on:

Gear ratio (usually 1:1 for fourth)
Axle ratio
Max engine revs
Tyre size + pressure
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Whispering Eye
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#6
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#6
(Original post by Ghost)
1st - 23.612 mph
2nd - 40.1 mph
3rd - 60.823 mph
4th - 70.842 mph
5th 80.411 mph
wow really precise lol, thanks.

i understand it depends on many factors but i just wanted some average figures.
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Prudy
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#7
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#7
(Original post by Whispering Eye)
wow really precise lol, thanks.

i understand it depends on many factors but i just wanted some average figures.
I think precise would indicate he is taking the piss...
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JC.
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#8
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#8
(Original post by Whispering Eye)
wow really precise lol, thanks.

i understand it depends on many factors but i just wanted some average figures.
You do realise he's taking the piss, right?
80mph max for a mondeo in 5th? Ok...
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Strictly Business
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#9
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#9
(Original post by Whispering Eye)
wow really precise lol, thanks.

i understand it depends on many factors but i just wanted some average figures.
You really shouldn't be on the roads, tbf.
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Whispering Eye
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#10
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#10
i guess sarcasm doesnt come across in text
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Fixesin
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#11
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#11
Advised max speed for a family car in 4th gear would probably be around 50 - 60 mph for a petrol, lower for a diesel I guess...
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Potally_Tissed
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#12
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#12
I would have though 80mph would be ok in most things.
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prospective student
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#13
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#13
look in the manual and it should say how many revs the car should be doing before changing up. i know that in a vauxhall astra this is 2500 so should be somethng similar in mondeo. you will be able to hear the engine straining if you change too early or late.
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Whispering Eye
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#14
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#14
(Original post by prospective student)
look in the manual and it should say how many revs the car should be doing before changing up. i know that in a vauxhall astra this is 2500 so should be somethng similar in mondeo. you will be able to hear the engine straining if you change too early or late.
thanks for that... however the reason im asking this question is not so that i know when to change gear whilst driving. Its for an assignment im doing.
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nigel_s
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#15
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#15
(Original post by Whispering Eye)
i guess sarcasm doesnt come across in text
The sad thing is, it actually does...
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prospective student
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#16
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#16
(Original post by Whispering Eye)
thanks for that... however the reason im asking this question is not so that i know when to change gear whilst driving. Its for an assignment im doing.
oh ok. well i guess im pretty relieved tbh.
again i don't know for a mondeo but would say the astra i used to drive (1.6 litre petrol engine fyi) would have been something like:
change 1st to 2nd 10mph
change 2nd to 3rd 25 mph
change 3rd to 4th 35 mph
change 4th to 5th 45 mph

hope this helps a bit. (rep me!)
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JC.
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#17
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#17
(Original post by prospective student)
oh ok. well i guess im pretty relieved tbh.
again i don't know for a mondeo but would say the astra i used to drive (1.6 litre petrol engine fyi) would have been something like:
change 1st to 2nd 10mph
change 2nd to 3rd 25 mph
change 3rd to 4th 35 mph
change 4th to 5th 45 mph

hope this helps a bit. (rep me!)

Why? Maximum speed is the highest revs achievable before the car wont accelerate any further.
So unless we're talking about a tractor or a landrover on the seccond gearbox, then your figures are way off.
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samba
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#18
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#18
An RS6 Avant is a family car, as is a 1.6l Pug 406...
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Steeps
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#19
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#19
Can do illegal motorway speeds in my car in 4th, why would I want to change to fourth at 40mph when I'm still grinning?
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prospective student
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#20
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#20
(Original post by JC.)
Why? Maximum speed is the highest revs achievable before the car wont accelerate any further.
So unless we're talking about a tractor or a landrover on the seccond gearbox, then your figures are way off.
ahhh my bad. thought you meant max speed without damaging the car in the longt-term not literally physical max.
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