XRAY - Model racing cars

whats the difference between the t3 11 and the t3r

Chassis matherial and design,steering system,axles,rear ball diff.l, shocks in the T3 2011 are different.
I own both,use the T3R for training and play around the track ,use the T3'11 for racing.
While the T3R is a perfect trainer,the T3'11 is a great performer,it comes out of the box with the most intresting and usefull optionals you can get for the car (well i've had to buy also 52mm CVA's,H1 quick roll centers,metal hubs for front spool,belt tensioner,aluminum shocks) i' did right buying the T3R few months before so i can understand better the T3'11.
Driveability is great in both models,the "R" is simpler and easier to get your hands on it is also super easy to drive.