http://www.busandcoachbuyer.com/scanias-new-double-deck-gas-bus/:"Measuring 11,440mm long with a 5,895mm wheelbase, the bodied bus will be 4,306mm high, 2,550mm wide and have front and rear overhangs of 2,700mm and 2,845mm respectively. The overall length is 500mm longer than a similar capacity diesel bus (all located within the centre bay) to account for the row of seats lost at the rear of the upper deck by the mounting of the rear gas cylinders above the engine compartment."