[ 12 ] Its EPA fuel mileage is 14 miles per US gallon (17 L/100 km; 17 mpg -imp ). [ 10 ] Its transmission, a single- clutch 7-speed semi-automatic , is built by Graziano Trasmissioni . [ 13 ] [ 14 ] Although being single-clutch, gear-shifts are accomplished significantly faster than a dual clutch,