Pontiac V6 engine

Pontiac V6 engine is a six cylinders V engine. It is the second most common engine configuration in modern cars after the straight-4. It shares with that engine a compactness very suited to the popular front-wheel drive layout, and is becoming more popular as car weights increase.

Pontiac V6 engine is one of the most compact engine configurations, shorter than the straight-4 and in many designs narrower than the V8 engine, and is well suited to the popular transverse engine front-wheel drive layout.

Purpose-built Pontiac V6 engines use one crankpin per cylinder for a smooth ignition 120° ignition pattern. In contrast, most V8 engines share a common crankpin between opposite cylinders in each bank. That is, the crankshaft has just four pins for eight cylinders, and a cylinder fires every 90° for smooth operation.

In order to keep up with the demand for high gas-mileage and lower emission levels, automakers have worked diligently to improve the overall performance of Pontiac V6 engines. Many current V6 models come close to matching the gas-mileage and emissions standards of the smaller, 4-cylinder engines.

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