The luxury brand was named highest ranked manufacturer in 2011.
The results show that Lexus continues to lead the field, a position it has held from the first year it was eligible for consideration.
The IS executive saloon achieved the highest overall score - the third time the model has achieved this. The RX luxury SUV was ranked third overall, having claimed the highest overall score in 2010.
This year's survey canvassed the opinions of 16,840 owners of vehicles that were on average two years old.
