Originally Posted by martysmartie

Technology does not come into it in terms of straight line pace, a stage 3 saph has the same power as an M3, but weighs less, so I would have thought the saph would be faster, not to mention the M3 would have less torque.

I can't ever remember them not being able to sustain there top speed when new, but yes being the youngest car is over 20 years old something obviously may let go, the M3 will be in the same position with age.

Plus the S54 is a highly tuned N/A engine, the YB is a restricted race engine, capable of big power in race trim!

Martin