Lowest price in Toronto today is 73.9 cents per liter, which is $2.80 per gallon.
Interestingly, the highest gas prices all come from independant gas companies: Horizon, Speedy Gas, Olco, Ultramar, etc... Lowest prices are from chains, Shells, Esso, etc.
Highest gas price in Toronto is 103.9 cents per litre, which is $3.93 per gallon