What has turned the lowly four-banger into such a ready replacement for its bigger brethren is the widespread use of turbo-charging and direct fuel injection.

卑微的四缸引擎能如此迅速地替代其他更多缸数的引擎的原因是废气涡轮增压和燃油直喷技术的广泛使用。

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Diesel 4-stroke direct injection diesel engine 6-cylinder with water cooling, turbo-charging and...

柴油直喷4冲程6缸柴油机用水冷却、涡轮增压和下。

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Overall, clean-diesel Turbo Direct Injection models accounted for 21.4 percent of Volkswagen of America sales in August.

FORBES: VW Looks For Passat Diesel Demand to Rise to 30 Percent

Volkswagen and Audi have been most committed to diesel in the U.S. market, with Audi planning this year to stretch its Turbo Direct Injection clean-diesel option across most of its highest-volume models, and VW pushing to get diesel penetration of its Passat mid-sized sedan to around 25 percent.

FORBES: New Cruze Isn't Your Father's Old GM Diesel -- Or The Volt

The 2.0-liter direct-injection turbo four (240 horsepower, 251 pound-feet of torque) is certainly adequate to hustle the Evoque along the highway, but the character of the engine (a Ford EcoBoost in British drag) can get pretty thrashy and stressed when you hammer it.

WSJ: 2012 Range Rover Evoque Five-Door Review: A Range Rover for a Smaller Era | Rumble Seat by Dan Neil