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Will the real torque figure of the Audi e-tron concept please stand up? While the German automaker continues to claim its all-electric concept sportscar manages a stout, locomotive-like 4,500 Nm (3,319.03 pound-feet) of torque, the sleuthing boys at Automobile Magazine weren't buying it, instead coming up with a much more mundane rating of 252 lb-ft of torque after performing some back-of-a-paper-napkin calculations.

It would seem that the real torque figure lies somewhere in between those two estimates, though significantly closer to the lower, unadvertised number: 501.5 lb-ft. That's the total combined output of the four individual electric motors, says Audi. The astronomical 3,319 is the torque as measured at the wheels after being geared down and multiplied. So, why the disparity between the actual torque of the motors and the figure espoused by Audi to the motoring press?

Well, besides the obvious answer that 3,319 lb-ft at the wheels sounds much more impressive, Audi's engineers apparently thought the larger number was more indicative of the actual feeling of all the push generated by the four electric motors when accelerating from a dead stop, as the maximum torque figure is achieved right from zero RPM.

Regardless, using the still-impressive rating of 501.5 lb-ft is, in our opinion, much more accurate and easier to compare with the rest of the automotive field than the seemingly disingenuous 3,319 figure, and it's the number we plan to use when describing the car from this point forward.


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[Source: Green Car Advisor]