Range on instrument display

SteveHS Plugin

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Oct 17, 2025
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Much Wenlock
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HS PHEV
Still finding it confusing that when I fill the tank up it shows 330 miles range but if it’s a 12 gallon tank, surely it shoud be more than that. Then it seems to go down quickly, then seems to have think and range appears to slow even though I am in HEV.
Also electric range seems to go down quickly from 100% to 60% but stays around this for quite abit.
Have had the car since 3/10/25 thought it would start to learn my driving habits by now.
Any one share any thoughts on this? I would be interested to hear.
 
I thought that the PHEV had an 8 gallon tank (37ltrs).

If you're in EV mode then it runs the battery out before switching the engine on, unless you accelerate harder, in which case the engine will kick in.

In HEV mode the battery works alongside the engine until it reaches 45-50 miles range left and then the engine does most of the work but also uses the battery slightly - and then recharges the battery back to the previous range.

I don't take much notice of the projected range figures, to be honest.
 
Thanks for your info
Yea I can’t find anywhere what the fuel tank capacity is, 8 gallons wud make more sense.
Glad you don’t take much notice of projected ranges thought it was just me I tend to look at blue and green lines.
 
The MG HS PHEV has a fuel tank capacity of 37 litres. While some sources have mistakenly reported a larger 55-litre tank, this capacity belongs to the regular petrol-only version of the MG HS, not the plug-in hybrid model.

  • PHEV tank size: 37 litres
  • Petrol-only tank size: 55 litres (not applicable to PHEV)
 
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