2019 VW Jetta bests predecessor’s combined mileage with EPA-estimated 34 mpg

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That’s an improvement of two miles per gallon over the outgoing 1.4L automatic model

The switch to the MQB platform and the optimization of the powertrain have worked wonders for the fuel-efficiency of the all-new 2019 VW Jetta. At the model's Detroit Auto Show reveal earlier this year the automaker announced it would be more efficient than its predecessor, but it didn't provide any numbers.

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Now we know just how more efficient the 2019 Jetta is courtesy of the EPA releasing the fuel economy ratings: 30 mpg (7.84 l/100 km) city, 40 mpg (5.88 l/100 km) highway, and a combined 34 mpg (6.91 l/100 km). Compared to the outgoing Jetta with a six-speed automatic transmission, the new model with an eight-speed auto returns a two mpg higher combined mileage.

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That's pretty impressive given that the seventh-generation Volkswagen Jetta is larger in most dimensions than its predecessor — it's almost as big as the Euro-spec Passat. Despite that, the car is lighter, which helps lower fuel consumption.

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In addition to the lower mass and optimized 148-hp 1.4-liter TSI engine with standard stop/start system (on automatic models), efficiency-oriented improvements include the aerodynamic drag reduction (the coefficient of drag is a best-in-class 0.27), a new eight-speed automatic gearbox with a broader band of drive ratios, and low rolling-resistance tires.

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Arriving in dealerships across the United States this summer, the 2019 Volkswagen Jetta will be available in S, SE, R-Line, SEL, and SEL Premium trim levels. R-Line models feature sportier styling, exclusive interior and exterior design elements, and the XDS electronic differential.

Prices start from $18,545 (excluding destination) for the base S model with 6-speed manual transmission. Each 2019 Jetta comes with a six-year or 72,000-mile transferable bumper-to-bumper limited warranty.

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READ MORE: All-new 2019 VW Jetta detailed