It can hardly be denied that at the forefront of the recent movement to downsize and turbocharge is Volkswagen. The German automaker achieved success early on with the Jetta GLI and GTI back in 2006, both of which used engines capitalizing on compact design, direct-injection, and turbocharging to deliver satisfactory power with exceptional efficiency.
Today, Volkswagen expanded upon that legacy with its latest entrant to its EA211 family of TSI engines: a 1.4-liter turbocharged mill set to replace both the 1.8-liter TSI in the Jetta SE, and the normally-aspirated 2.0-liter in the Jetta S.
Despite its relatively small displacement, Volkswagen’s new 1.4-liter turbo makes 150 HP and 184 lb-ft. Lag should be kept to a minimum thanks to the turbocharger’s relatively small, single-scroll compressor, while the dual overhead camshaft valvetrain allows for variable intake and exhaust timing. Only the compact, 82-mm cylinder spacing carries over from the engine’s EA111 predecessor.
Mated to either a 5-speed manual or 6-speed automatic gearbox in the Volkswagen Jetta, the new 1.4-liter unit is anticipated to deliver up to 39 mpg on the highway – an increase of 13% over the normally-aspirated 2.0-liter it replaces in the Volkswagen Jetta S.
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