Thus, the Pontiac G8 was born—first as a perfectly respectable V6, then as a bruising G8 GT with a 361-horsepower V8. But it ...

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*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...

The Audi 3.0-liter V6 has seen continual upgrades throughout its long life, and there's a wide range of supercharged and turbocharged 3.0-liter V6 engines that compare favorably to the M57.

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The Pontiac G6 convertible is mediocre at best. The retractable hard top rattles and exposed wires in the trunk make the car look unfinished.

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