Possible Clues:

• Rival of Lincoln
• Rotten fellow ('Bad Bill') in car
• Make acid call to car company
• Lincoln alternative
• Expensive car
• Whatever the price, it's rotten, alas, by the sound of it on the road (8)
• Swine sickly at a cold Gironde commune
• Driven type of accountant is out of sorts at academy in Washington
• Fancy Detroit product
• South Saskatchewan town