And thanks to Mother Nature, we could not have asked for any better conditions to test the new factory-installed and backed turbo two-stroke. Fortunately, the 850 E-TEC Turbo is available in several configurations of Summit for 2021. Interestingly, the 850 E-TEC Turbo engine produces the same 165 horsepower the non-turbo version does. We had a feeling that the 2021 Ski-Doo Summit lineup would see more 2-stroke turbo 850 E-TEC engines made available for model year 2021.

Since the Ski-Doo Summit 850 E-TEC Turbo reveal, BRP has released more detailed and technical information that tells us a little more about the development of the ground-breaking snowmobile. The innovative minds at BRP have been hard at work, as the brand new Ski-Doo Summit 850 E-TEC Turbo has just been unveiled.

The first-ever factory-built 2-stroke turbocharged engine in any industry. NEW Rotax 850 E-TEC Turbo engine: The first-ever factory-built 2-stroke turbocharged engine in any industry. When Ski-Doo pulled the covers off its 2020.5 Summit 850 E-Tec Turbo sleds Monday outside of West Yellowstone, MT, any and all superlatives came crashing together. This is the world’s first ever OEM-built 2-stroke turbo engine and that should get mountain snowmobilers very excited. The Rotax designed and built turbo provides full 165 HP from the industry’s strongest 850 twin up to 8,000 feet of elevation and maintains a 40-HP advantage compared to normally aspirated 850’s.

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Model year 2021 also sees the inclusion of the recently released 850 E-TEC Turbo—the first ever factory-produced 2-stroke turbocharged engine—as a Summit X option.

After all, the 2020.5 Ski-Doo Summit 850 E-TEC Turbo was just released in January, and it only makes sense that we’d see that technology spread around more models. Those changes alone would be enough for most to push the envelope on any ride, but Ski-Doo engineers didn’t stop there. Instead of chasing a big horsepower number, Ski-Doo took a more conservative approach with the new 850 E-TEC Turbo.