In mid December General Motors put on display their latest “High Feature” V6 engine; the 3.0L – which will be replacing the role of the larger 3.6L HF V6, in many applications in the GM lineup. This smaller engine utilizes direct injection. GM has already confirmed that the engine will be in the 2010 Chevrolet Equinox, 2010 Cadillac SRX, 2010 Buick LaCrosse, 2010 GMC Terrain and 2010 Cadillac CTS.

The base engine in the upcoming CTS Wagon, as well as the CTS sedan later on, will be this new 3.0L HF V6. For it’s application in the CTS Wagon GM is banking on an EPA figure of 28 miles per-gallon; up a few points from the current 3.6L the CTS has. Since the sedan is lighter and more aerodynamic, we may see a slightly higher MPG rating in this form.

GM is estimating 255-260 HP out of the CTS applications using the 3.0L – which is down from 263 HP in the car’s current “lower” 3.6L, but GM is likely banking on the fuel economy improvement to help boost sales. If a buyer is interested in fuel economy, the 3.0L would be their natural choice. On the other hand, if the buyer is looking for more power, the CTS’s 3.6L DI V6 would be the best choice with it’s 304 HP. Currently the difference between the base model and 3.6L DI model is one mile per-gallon: 18/26 to 17/26. There’s basically no incentive to buy the base engine other than price.

2010 Cadillac CTS Gets 3.0L HF V6 As Well; 28 MPG
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