Motorists can expect hikes of over R1 for all grades of fuel from Wednesday. The unleaded petrol price (95) will be hiked by R1.14 a litre, while 93 will be increased by R1.08. Diesel (0.05% sulphur) will be hiked R1.96 a litre, while 0.005% sulphur will jump by R1.96, the department of mineral resources and energy announced on Tuesday.