For an electric sedan priced above the reach of many people, sales of the Tesla Model S have been rather impressive so far.

That relative popularity should also carry over to the firm's upcoming crossover, the 2015 Tesla Model X.

The Tesla Motors Club is tracking Model X reservations, and so far that number has crept over 13,000 units worldwide, with over 10,000 units in North America alone.

The club notes that these numbers should be taken with a grain of salt, and are based on the sequence number of reservation holders across the world rather than solid data from Tesla Motors. The number does not consider any cancellations, and reservation holders who may have upgraded from a regular production model to a Signature have been counted twice.

Even if vaguely accurate though, early demand for the Model X should be high--13,000 units is more than half of the 2013 Model S production total.

That's despite the Model X likely costing more than the sedan--with its striking "falcon doors" and all-wheel drive layout. The latter will be standard on the Model X, following "strong customer feedback" that the crossover should feature four driven wheels.

That should mean plenty of demand in snowier states as well as colder regions of Europe--the self-reported reservations map shows plenty of reservations in electric-car friendly Norway.

Back in February, Tesla's CEO Elon Musk revealed several other details owners can expect from the new electric crossover.

It'll have the same wheelbase as the Model S, and the car's length and width will be roughly the same as the Model S too--though naturally, it'll be taller. It has a better drag coefficient too, though a larger frontal area means overall drag will be greater, leading to 10 percent greater energy consumption.

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An undisguised prototype of the Model X has already been seen testing in California earlier this year, and a modified Model S spotted earlier this month--with a weight on the roof and sensors on all four wheels--also points towards Model X testing.

Have you put your name down for a Model X? Let us know in the comments section below.