This is one of the most accurate physics models we have ever seen in a racing game, even beating out GT. But this high degree of realism brings a high degree of difficulty. Sim fans will love it, but fans of arcade-style racers will curse with frustration. And they will curse often.
Try to take a turn too quickly, like we did with our front-wheel drive Civic R, and the car will exhibit significant amounts of understeer and crash into a wall. Hop in the Ferrari Enzo and mash on the throttle, and the extreme torque will cause the car to be damn near uncontrollable--forcing it to crash into a wall. This may not sound like fun, but this would be the same result should you try this in real-life. As we said, this game takes accuracy to the extreme.