In 2022 is was £1.89 a litre and spent most of the year over £1.60 a litre
Adjusted for inflation that would be most of the year at £1.85, and a high of £2.18 a litre
https://www.racfoundation.org/data/uk-pump-prices-over-time
From 2011 to 2014 petrol was about £1.30 a litre. Adjusted for inflation terms that's £1.80-£2 a litre -- far less than current "highs".
The average UK car does 8000 miles and about 45mpg (uk gallons), or about 10 miles per litre. It thus costs 800 litres, or £1,260 a year.
Last year petrol was £1.35 a litre, and thus £184 a year less for the average car.
Fuel is insanely cheap in the UK in historic terms, just not as cheap as it was last year.