The biggest fuel guzzlers for cars: ADAC tips can reduce consumption. Roof boxes in particular in winter are the biggest cause of increased fuel consumption.
Optimal tire pressure and an automatic start-stop system would also offer potential for saving fuel. Warming up the engine would cost 20 cents after just four minutes. Traffic jams, which according to the ADAC are becoming more and more common, are also seen as fuel Guzzlers. Because it already weighs 20 kilograms, drivers could consider a tire puncture kit with a compressor and sealant.