2015 Magnetic GT
Member
- Jul 24, 2015
- 5
- 1
- 13
My 15 GT has 1200 miles and has only seen 93 octane. When I picked her up at the dealer, the salesmen gassed her up before I left and he said to only use 93 octane (he has a GT as well). He even said that you won't notice the performance difference, the engine will run more smoothly.