Audi A4 Avant S-Line 2.0 TFSI Auto - Spares or Repair Audi A4 Avant 2010 Audi A4 Avant S-Line Automatic Petrol. Car starts but blows out smoke so will require engine reconditioning or replacement. Spec / Condition: Automatic gearbox S-Line model Good condition bodywork New tyres Clean alloy wheels Tinted windows Starts Faults: Oil leak Smoking from engine/exhaust Engine will need attention/rebuild/replacement Ideal for mechanic, exporter, project, or parts.