I bought the SV.
It's very, quick.
I have upgraded it in every way except only the first engine upgrade.
There is 86,000Cr worth of aero parts for the thing that gives it a really cool carbon fiber skirt.
Handles really well, due in part to 4WD and high downforce. and can also be close to 1000kg in weight.
it has so far for me destroyed the Lambo, supercar and tuned car series'