Well... its the same size as a stock tire, so there shouldn't be any issues with your electronics. As far as mileage, there should be no change as the new size is the exact rolling diameter as stock. The stock rim is 8" wide and going up 2cm in size should be OK. Personally, I would think an 8.5" wheel would be better. Perhaps a local tire shop can give you the best advice for those tires. Good luck, Bob