Given I live in the middle of nowhere and have to have a car to work any where, you are talking £16 a day fuel and £22 a day plus if you factor in insurance, rd. tax servicing, tyres etc.
My DDad always said running a car was double the petrol.
I'm guessing that isn't quite true as fuel price inflation has been so stupid in recent years.
Thus a bit of button pressing gives over 40% of your gross salary for an eight hour day to travel.
I'm a very long term SAHM I have no idea what nat. Insurance and tax takes, but I strongly suspect the amount you'd be left with would not be worth getting out of bed!