Difference Between Audi Tdi And Tfsi

Turbo charged diesel injection a direct injection used in diesel engine.

Difference between audi tdi and tfsi. Ask someone who bought a a4 3 0 tdi he could have saved as much money to buy a premium hatchback if he chose 2 0 tdi over 3 0 tdi. Audi claims that the q8 45 tdi is able to return figures of 7 8 l 100km on the combined cycle but our figures hovered around the low 12 mark admittedly with mostly urban driving and the drive select in auto or comfort. Audi has yet to confirm if 3 0 v6 tdi and tfsi q5 models will join the range as before however it s believed the all new sq5 will arrive in australia in july. In the gasoline engines however significantly lower injection pressures of about 150 bar 2 176 psi are sufficient owing to the lower compression ratios of these engines versus self igniting diesel engines.

The 2 0 tfsi costs about the same as the 2 0 tdi but the tfsi engine is more satisfying to drive. In a simple words they are same technologies used in different engines. Tsi is turbo stratified injection i e direct injection in a gasoline engine petrol with forced induction turbo charger. Turbo fuel stratified injection a direct injection used in a gasoline engine.

2017 audi q5 pricing q5 design 2 0 tdi quattro s tronic 65 900 q5 sport 2 0 tdi quattro s tronic 70 700 q5 sport 2 0 tfsi quattro s tronic 73 500. Another slight difference between the 55 tfsi and 45 tdi is the size of the fuel tank. Tdi means turbocharged diesel injection whereas tfsi means turbocharged fuel stratified injection.