Got a TW on gas; got 550 km and took 64 L to fill the gas tank., Cost was $37. thats 11,6 L/100 km on gas; cost is $6.75 per 100 Km. The old TP is costing $16.50 per 100 KM on petrol.
Dunno about the TW on petrol. Why spend money to find out!!!
rumpfy