If you take a look at Cadillac’s current portfolio, there’s one model that sticks out like a blueberry in a pan of milk for more reasons than one. Yes, we’re talking about the Escalade, GM’s biggest, most luxurious and with a $63,170 starting price, most expensive full-size SUV.

In production since 2007, the third generation Escalade has seen its sales numbers fall, but it remains a profit machine for GM, which is why the Detroit carmaker is keen to launch a replacement that will enhance its strong points and diminish its weaknesses.

We already knew from spy shots, videos and our sources that the development of the new, 4th gen Escalade is approaching its end, and now we can show you a snapshot taken from a brochure that landed on our news desk earlier this week and also share some interesting details about GM’s premium SUV that we learned from one of our contacts.

In terms of the exterior design, we are told that the next Escalade will continue to have a boxy look. Highlights will include the main headlamp fixtures that look a lot the units used on the ELR; tail lights that “run from the roof down, being thinnest closest to the roof” and similar in looks to the CTS wagon; rear wheels with a wider stance than the front ones, and slightly shorter rear windows that those on the current Escalade.

As for the interior, the new Escalade will get power fold flat seats for the third row as standard, but most importantly, it will be significantly more luxurious with much higher quality materials. “The interior design is real everything. Real wood, metal, leather,” our source told us.

If you’re interested to see how we imagined the 2014 Escalade, you can check out our rendered speculation here (our source pointed out that it’s very close to the real thing), but before you do that, let us tell you Cadillac’s flagship SUV will ride on GM’s latest truck platform that underpins the new Chevrolet Silverado and GMC Sierra, and will be powered by a new small-block V8 with direct-injection tech and a cylinder deactivation system.

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