I had identical Sterling Grey Fusions sitting next to each other yesterday. (Titanium Hybrid and a Titanium Energi) The deal breaker for me was when I took out my golf clubs and couldn't fit them in the Energi's trunk. If it wasn't for the extremely tiny cargo space I would have shelled out the extra cash. I have a 30 mile commute with availability to charge at work. That said, I love my Titanium Hybrid.