Car prices have jumped in the new and used markets, according to CarGurus data. Michael Yanow/NurPhoto via Getty Images Car prices — both for new and used vehicles — are rising again, according to data from CarGurus. The average price for a new car jumped past $50,000 in April. Gas prices are also changing some car-buying habits, including a spike in interest for hybrids. Looking to buy a cheap car? Good luck. Affordable vehicles — new or used — are becoming harder to find in American dealersh