About Audi S4
As a sportier and high-performance variant of Audi's compact executive car A4, Audi S4 has been built by the high-performance subsidiary company Audi Sport GmbH, for the German automobile manufacturer Audi AG part of the Volkswagen Group since 1991 as an entry-level luxury car. Originally introduced as a performance-oriented version of Audi's 100 saloon/sedan, S4 is the top-of-the-line trim of the A4 family in S model lineup. Competing against the BMW M3, Mercedes-Benz AMG CLA45 and Cadillac ATS-V, S4 slots between the S3 sedan and S6, S7, S8 sedans in price. S4 now is in its sixth generation.
The fifth-generation Audi S4 (Typ 8E/8H) was produced from November 2008 to 2016 based on the Volkswagen Group B7 (PL46) platform. Unlike previous generations, S4 was offered in only one body style, 4-door sedan as the convertible version was replaced by the S5 Cabriolet. S4 came with an ample list of standard luxury features including xenon headlights, selectable driving settings (Audi Drive Select), tri-zone climate control and leather/faux-suede upholstery and it was powered by a supercharged 3.0 L V6 rated at 333 horsepower and 325 pound-feet of torque and this engine sent power through 6-speed manual or 7-speed dual-clutch automated manual (S Tronic) transmissions to rear-biased Quattro all-wheel-drive system. Current S4 was unveiled at the 2015 Frankfurt Motor Show for the 2018 model year with 2017 model year absence. Now, S4 gets power from the turbocharged 3.0 L V6 making 354 hp and 368 lb-ft of torque and power is sent through an 8-speed Tiptronic automatic transmission to Quattro all-wheel-drive system.
Audi S4 Common Problems & Maintenance Tips
Boasting high power output, sharp handling, and impressive braking capabilities, no wonder the Audi S4 is regarded so highly. But as the accumulation of mileage, you need to know these common problems will still find your S4:
First, engine rattling on startup ranks first among all other issues on Audi S4 and most drivers complained that it appeared when the vehicle even did not reach at 100,000 miles. This is obviously an engine issue that could influence the whole driving experience and shorten the vehicle's lifespan. Therefore, for those who have not much knowledge about this issue, I believe these recognizable and simple symptoms provided by experienced S4 drivers will help you a lot in diagnosing and solving it as soon as possible. Apart from whining, squealing or rattling noises from the engine, the suffered performed engine will also run roughly, misfire, stall and even have issues in starting such as hard starting or inability to start; finally, the vehicle will also lose power while acceleration and consume excessive fuel. Once the Check Engine Light is activated, please inspect the S4 spark plug, fuel pump, oil filter, air filter, valve cover gasket, engine control module, drive belt and timing belt tensioner immediately.
Second, another horrible issue on Audi S4 would be braking failure, which may get you into dangers while driving at any time. Every S4 owner knows that a well-functioning braking system is a must for it to give its high performance to a full play. However, after a while of driving, say, the vehicle reaches at about 23,000 miles, drivers head excessive brake noise and squeaking sounds when depressing the brakes, the brake will wear excessively as well; then brakes become poorly-responded and brake pedal pulsates a lot. If you are careful enough, you may find brake rotors covered with score marks; rear brakes may get locked, especially on wet surfaces; parking brake could not hold the vehicle properly; and both Brake Warning Light and Parking Brake Light are illuminated. And the S4 brake pad set, brake disc, brake drum, brake rotors, brake caliper, brake line, parking brake cable and brake proportioning valve are often the culprits.
If you desire perfect ride on your Audi S4, then take routine maintenance on vulnerable auto parts seriously. S4 seat belt, windshield wiper, wiper blade, fog light, headlight, antenna, and cabin air filter should be maintained routinely in view of their importance in creating safe and comfortable driving environment.
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