The petrol price comparison site reckons that is ~20p per mile. Charging our electric car at 10.5p per kWh and doing ~4 miles per kWh works out to 2.6p per mile. For my bike ride to/from work today I guess you could count the 75p banana: ~8p per mile. Shockingly expensive!
Diesel at my nearest + cheapest source (a supermarket) is £1.95 per litre, which Google AI converts to $9.94 per (US) gallon; regular unleaded petrol (gasoline) is £1.72 per litre => $8.77 per gallon.