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Driving tiny engines: Can three cylinders ever be enough?


 
Today, twenty some-odd years later, this remains one of my only memories of a car with a three-cylinder engine, and may explain why many folks in my circle are a bit unsure about them to this day. But recently, I put about 3,000 kilometers on GM’s latest three-cylinder powertrain during consecutive test-drives of the Buick Encore GX and Chevrolet Trailblazer RS.
Both these compact crossovers share a powertrain that consists of all-wheel drive, a nine-speed automatic transmission, and an optional 1.3L turbocharged three-cylinder engine under the hood. Jamie Dewhurst is the national marketing manager for Chevrolet cars and crossovers, and I asked him to explain what goes into a modern three-cylinder engine. He said that, “With 115 horsepower per litre, the 1.3L is about 15 per cent more power-dense than the 1.4L in the Trax, and is more power-dense than the outgoing LT4 which powered the 2019 Corvette Z06. There are also emissions benefits. The 1.3L produces 8 per cen ....

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