Some interesting engine specs and times unfortunately no weight on the car for comparison.
http://blog.caranddriver.com/audi-r8-e-tron-sets-world-record-lap-time-at-the-nurburgring/
http://blog.caranddriver.com/audi-r8-e-tron-sets-world-record-lap-time-at-the-nurburgring/
Audi’s silent-running supercar packs a total of 376 hp and 605 lb-ft from its two electric motors, and the company claims it can hit 60 mph in roughly 4.5 seconds.