The base G8, referred to in Pontiac sales literature as the "G8 Sedan", is available with a 3.6-liter High Feature V6 engine, producing 256 hp (191 kW). The only transmission available is a five-speed GM 5L40-E automatic; fuel economy is officially rated at 17 mpg ‑US (14 L/100 km) city/25 mpg ‑US (9.4 L/100 km) highway.

Aug 25, 2008 · Read about the new 2009 Pontiac G8 V6 at Automobile Magazine online. In the interest of going against the automotive grain, we took a base G8 for a spin to see how it stacks up against other...

May 9, 2008 · The G8 V6 is cheap. It combines a slew of promising parts– clean well-proportioned exterior, driver-oriented interior, DOHC engine and all-independent rear-drive chassis– into something much less special than it could have, indeed, should have been.

For 2008, the Pontiac G8 is available in base and GT trims, featuring a 261-hp V6 or an even more impressive 362-hp V8, respectively. The V8 shuts down half its cylinders during low-load driving to boost fuel economy. The GT is equipped with a six-speed automatic transmission.

Even the base G8 V6 is an energetic performer, capable of accelerating from zero to 60 miles per hour in a brisk 7.8 seconds, yet EPA-rated at 17 mpg city, 25 mpg highway.

Sharp handling, firm but compliant ride, muscle-car power with either V8, spacious rear seat, sets a new Pontiac standard for interior design and quality. Thirsty, V6 sounds coarse, GT's...

Jul 31, 2008 · The base G8, however, is powered by GM’s corporate 3.6-liter, DOHC V-6, which makes 256 horsepower and 248 pound-feet of torque. The engine is hooked up to a five-speed automatic transmission...

The G8 Sedan features a 3.6-liter V6 engine that generates 256-horsepower at 6,300 rpm and 248 pound-feet of torque at 2,100 rpm. However, the more powerful GT comes equipped with a 6.0-liter...

May 25, 2024 · The standard engine for the 2008 Pontiac G8 was a 3.6-liter V6 that put out 256 horsepower paired with a five-speed automatic transmission.

Under the serious sport bodywork, the base engine is GM’s 3.6-liter dual-overhead-cam V6 with variable valve timing. It delivers a respectable 256 horsepower and 248 pound-feet of torque. But the big gun that will make or break the G8’s reputation, is the GT’s Corvette-based 6.0-liter L76 pushrod V8 that pumps out 361 horsepower and 385 ...