Just wondering if any of you guys who run Vauxhall vivaros have had any problems with the gearbox. I have a 2010 model and is only done 30K and the gearbox has let me down for the second time. Each time the vans down for over a week, and the gearbox bearings only did 8000 miles this time before they went. Just waiting for the full details from Vauxhall. I know the. Fuel consumption for the 2008 Renault Trafic is dependent on the type of engine, transmission, or model chosen. The Renault Trafic currently offers fuel consumption from 7.9 to 8.2L/100km. The Renault Trafic is available with the following fuel type: Diesel. Renault Trafic Model.