Esso to Aeroplan v. Esso Extra to RBC Avion to BA/AA
Got an RBC mailer last week.
Begining May 1, you can transfer Esso Extra to RBC points (and vice versa)
2500 Esso Extra = 1500 RBC points
If one was to purchase $25 in gas each week and swipe your Aeroplan card, in one year, you would accumulate 416 AP miles
If you purchase that same $25 and swiped your Esso Extra card, you would receive 1300 Esso Extra points.
Over two years, you would have 832 AP miles or 2600 Esso Extra points.
You could turn 2500 Esso Extra points into 1500 RBC points which then can be transfered 1:1 to either BA or AA (with an Avion card)
It gets better if you buy premium gasoline as you get double the Esso Extra points, so in effect you could get 1500 BA or AA miles in one year v. 416 AP miles. There is no bonus AP miles for buying premium gasoline
It gets even better if BA repeats their 50% RBC bonus to BA miles event. That would convert to 2250 BA miles vs 416 AP miles in one year of gas (premium) purchases.