Its no surprise that there is a strong demand for compact cars. But with strong demand comes weak supply which is eventually followed by high-prices. The General is enjoying that fact and says that the prices and profitability of the 2008 Chevy Cobalt are on the rise.According to Brian Brown, Chevrolets marketing manager, the average Cobalt price is up $775 since mid-April - up from?$13,519 in April to $14,294. Brown says that while GM is generally losing money on many small cars, the Cobalt is now more profitable than ever.Brown said: I have to laugh: In the last 90 days, one of the top five trade-in vehicles for a Cobalt is an F-series pickup. Good Brown - laugh it up while you can.Chevrolet plans on replacing the Cobalt with the 2011 Chevrolet Cruze in 2010.2011 Chevrolet Cruze:??????Source: Automotive News (Subscription Required)Tags: 2011 Chevrolet Cruze, , Chevrolet Cruze,