Good news! After a $15,000 discount, Dodge Viper sales are up 184 percent in September 2014 from the previous month. Here's the less good news: that takes sales from 38 units in August to 108 units last month.

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There's more: The Viper plant will ramp up production to deal with the change in demand, but on the flipside, the plant has sat idle since July 3, and Automotive News reports that it has only operated for 10 days since April 14.

The larger issue is that Viper sales are still minuscule compared to pretty much anything you'd consider a natural competitor. The C7 Corvette? It moved 2467 units in September 2014, compared to 108 Vipers. The Tesla Model S sold somewhere north of 1300 units. Even the Nissan GT-R outsold the discounted Viper, with 159 units moved in September.

And while demand and sales have increased, dealers still sit on unsold inventory. Dodge might take some comfort in reminding folks that the Viper is intended to be a low-volume sports car, but an idled plant, unsold inventory, and a five-figure discount are troubling.

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It seems like there are two possibilities for the Viper's future. The first is that at its new $86,880 (without gas guzzler tax) price point, it will reach an equilibrium between demand and value, and continue selling at the 100-odd-units-per-month level, which is apparently enough for Dodge to fire up the plant again. The second is that a small pool of opportunistic buyers simply pounced on a decent value, and sales will taper off once they've had their fill.

Either way, there's no better time to pick up a new Viper than right now. It's a mean, elemental thing. We love it.

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