Poor cross wind performance

NLMGSAN · Mar 26, 2024

wattmatters said:
Mine is definitely not as stable in crosswinds compared with anything I've driven previously. Mostly noticeable on the Pacific Motorway if it's windy. Tyres at normal cold pressures for us (35-36 PSI):

View attachment 25110

It's definitely noticeable how easily it is buffeted about.

I would at least add a puff to the rears. Here, 2.5 bar is the minimum on all fours

unbornidentity · Mar 26, 2024

Mine is always on normal. It’s an SE.

It does seem a bit better now the tyre pressure is a bit lower. I’ve not been on the motorway yet since so don’t know if it has helped it from getting sucked in passing lorries yet ?

wattmatters said:
Mine is definitely not as stable in crosswinds compared with anything I've driven previously. Mostly noticeable on the Pacific Motorway if it's windy. Tyres at normal cold pressures for us (35-36 PSI):

View attachment 25110

It's definitely noticeable how easily it is buffeted about.

Not just me then!

dsimpkins · Mar 26, 2024

fnegroni said:
Another thought: this car has an electric power steering. When experiencing cross wind stability issues, is the steering set to eco normal or sport?

Almost always in Eco

NLMGSAN · Mar 26, 2024

unbornidentity said:
Not just me then!

Are all of you on the same tires? 16/17 inch, brand etc?

fnegroni · Mar 26, 2024

dsimpkins said:
Almost always in Eco

Try Sport/heavy and see if it makes a difference.

QLeo · Mar 26, 2024

unbornidentity said:
Has anyone else noticed how badly affected by wind the MG4 is?

I’ve owned a fair amount of new cars and getting sucked in after passing lorries or blown around by wind is something I’ve not experienced since about 2008!

There seems to be something about the aerodynamics of the car that makes it really susceptible to it.

The car has incredible handling, but yes, we did notice when we got it that it seemed to get side-swiped especially here where the wind can be character building.
But since we replaced the factory tyres with all-seasons (discussed on this forum) that's all changed, and we don't experience that side-swiping motion any more.

wattmatters · Mar 26, 2024

NLMGSAN said:
I would at least add a puff to the rears. Here, 2.5 bar is the minimum on all fours

unbornidentity said:
It does seem a bit better now the tyre pressure is a bit lower.

So which is it, more pressure or less pressure?

Keep in mind this is Australia, northern NSW. Our Winter days are typically 20-22°C. In Summer stuff gets hot.

I have a hard time believing a 4% change in tyre pressure will change the car's response to winds when driving at 110 km/h.

NLMGSAN · Mar 27, 2024

Most tyres can easily handle 2.9 bars. Here, at delivery the dealer pumped them up to 3.0 ' just in case'.
So if the tires are say 2.4 bars, the car does not warn you? Mine does....

DaevM · Mar 27, 2024

I haven't noticed any problems SE,Normal, all assists off.
Mind you my day job is minibus driver - now THAT catches the breeze. Not mentioning the night job ?

Ian Key · Mar 27, 2024

DaevM said:
I haven't noticed any problems SE,Normal, all assists off.
Mind you my day job is minibus driver - now THAT catches the breeze. Not mentioning the night job ?

Not as bad as some of the buses I used to drive.
The double decker's were the worst closely followed by the 40ft Volvo Paladin which had no weight over the front axel. Mind you it could shift for a bus.
One of the mechanics took a Paladin up to Leeds to get the speed limiter fixed. He said it hit 80mph up the M1 and it was still accelerating but the speedo ran out at 80 ?

unbornidentity · Mar 27, 2024

wattmatters said:
So which is it, more pressure or less pressure?

Keep in mind this is Australia, northern NSW. Our Winter days are typically 20-22°C. In Summer stuff gets hot.

I have a hard time believing a 4% change in tyre pressure will change the car's response to winds when driving at 110 km/h.

Mine were at 2.7 so changed them to 2.5 as it states for low load levels.

Evoletsteve · Mar 30, 2024

unbornidentity said:
Has anyone else noticed how badly affected by wind the MG4 is?

I’ve owned a fair amount of new cars and getting sucked in after passing lorries or blown around by wind is something I’ve not experienced since about 2008!

There seems to be something about the aerodynamics of the car that makes it really susceptible to it.

I have the standard MG4 and I can confirm the same experience. This felt very strange to me when I newly had my car back last August. It’s even worse whenever I pass between other vehicles on both sides.

siteguru · Mar 30, 2024

Maybe my previous cars were equally susceptible (Insignia, Golf, Astra, Corsa, Escort, Nova) as I don't find the MG4 any worse at all. ?‍

NLMGSAN · Mar 30, 2024

I did experience less stability in windy conditions with the hard compound of the Bridgestones. But it wasn't worse conpared my Auris on Continentals. The all season Pirellis are very sticky and provide a very stable experience. But last week with a gale force head wind, coming into the wind when passing a big truck of course I did feel it...

Mike01Hu · Mar 30, 2024

unbornidentity said:
Has anyone else noticed how badly affected by wind the MG4 is?

I’ve owned a fair amount of new cars and getting sucked in after passing lorries or blown around by wind is something I’ve not experienced since about 2008!

There seems to be something about the aerodynamics of the car that makes it really susceptible to it.

No issues with my Trophy with wind or HGV's at any speed and any normal road surface. Are you sure it's not LKA causing the issue?

Davn · Mar 30, 2024

unbornidentity said:
Has anyone else noticed how badly affected by wind the MG4 is?

I’ve owned a fair amount of new cars and getting sucked in after passing lorries or blown around by wind is something I’ve not experienced since about 2008!

There seems to be something about the aerodynamics of the car that makes it really susceptible to it.

I've done over 22k miles and haven't noticed anything like that ?

Starplots · Mar 30, 2024

Adam C said:
Another off the top of my head thought

For the people experiencing issues, have you got the Trophy or SE?

I wonder if it’s worse on MG4 with or without the rear roof spoilers?

I read they do give extra downforce & apparently cars with them do around 10 miles less than those without

Mine is a Trophy but I haven’t experienced these issues.

Same here, my trophy sticks like ? to a blanket - to the point that I forget how windy it is until I stop!
I’ve driven in some of the storms this winter with winds of 60kmh and gusting to 80+ and although noticeable, the car stays amazingly steady.

mgelli · Tuesday at 12:00 PM

HI,
I have an MY22 Standard and I have this issue as well.
I already have changed to all-season tires but still there.

My boyfriend say they have slighty changed design for the next generations spoilers, so he thinks it improved with later model years.
P.S. I am living in south Germany, So we have Autobahn and all weather conditions.

Poor cross wind performance

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