
Introduced to the sedan marketplace over 20 years ago, by German automaker Audi, the Audi A6 was designed with the busy and successful executive in mind. Manufactured in Neckarsulm, Germany this luxury vehicle is available in both sedan and wagon body options throughout its five generations of existence and has continued to step up its luxury amenities throughout each.
First Generation (1994-1997)

Previously known as either the Audi 100 or Audi 5000, this Audi executive sedan was actually released in three successive models, including the Audi C1, C2, and C3. In 1994, the start of the Audi A6 was also known as the Audi C4, which came standard as a four-door sedan or a five-door wagon with front-or all-wheel drive as well as one of the first aerodynamic designs of its time. Three years after its initial release, the Audi 100 received a complete facelift and became the Audi A6. Available in two body styles, including the famed sedan and avant models, this vehicle also included front and rear lights, a radiator grille as well as an innovative all-wheel-drive system. Most importantly, this high-end sedan came with several different engines, including two turbodiesel options.
Second Generation (1997-2004)?

The second generation of Audi’s popular executive sedan featured a whole new design and a newly developed suspension based on the Volkswagen Group’s C5 platform. Thanks to stepping it up a notch in quality this sedan was marketed in the same categories as the BMW 5 Series and the Mercedes-Benz E-Class. With a fastback styling which set the trend for the Audi lineup, and gave the relatively large saloon an aerodynamic shell with a low coefficient of drag of 0.28. Three years after its release, this Audi A6 model was featured on Car and Driver magazine’s Ten Best list thanks to a wide range of engines, including the 2.4-liter and 2.8-liter V6 engines, as well as the new optional five-speed Tiptronic automatic transmission.??In 2002, the A6 received a facelift for both sedan and Avant versions. This revised sedan featured a new grille design and some of the most unique headlights available on this kind sedan. A new host of engines were also introduced on this redesigned model, including a 2.0-liter powerplant and a 1.9-liter Turbocharged Direct Injection engine, which was tweaked to provide some of the best power available in a sedan of this nature.
Third Generation (2004-2011)

The third generation of Audi’s luxury sedan, designed by Satoshi Wada, was a visual evolution of the above C5 model, with added legroom and Audi’s first single-frame grille. Known as the Volkswagen Group C6 platform, the new A6 has a new tornado line that runs from the front lights to the rear lights just below the body shoulders. The C6 iteration of the A6 also features more sophisticated technology including a Multimedia Interface with in-car entertainment, satellite navigation, climate control, car settings such as suspension configuration and optional electronic accessories through a central screen interface. This luxury sedan model also offered the introduction of Volkswagen’s new fuel stratified direct injection technology as well as a multitronic continuously variable transmission (CVT) for front-wheel drive models. Audi’s “trademark” Torsen-based quattro permanent four-wheel drive is available in most of the lineup, and standard in the most powerful models. This new A6 model also offered a long list of safety features, including brake assist and Electronic Brake-pressure Distribution. Also new for this model is the addition of headlight washers and automatic climate control.?
Fourth Generation (2011-2018)

The fourth generation C7 series Audi A6 was launched in early 2011. Heavily influenced by the Audi A7, this Audi A6 model features a more conservative design than past models, but has the most aggressive front fascia and LED headlights and taillights available. This new A6 model also has an increased wheelbase of more than three inches and more than three inches in its overall width. This updated model also offered an integrated trunk-lid spoiler, a dual exhaust system and a faux rear diffuser and 19-inch alloy wheels.??In 2015, Audi unveiled the mid-model facelift that included exterior tweaks, a whole new engine line-up, including the first hybrid electric variant with an updated transmission, and even an updatedinfotainment system with faster Tegra 3 processor and a state of the art 4G mobile internet and built-in navigation, and advanced Matrix LED headlights.?
Latest Audi A6 (2018-Present)

The fifth and present generation of the Audi A6 is one of the most stylish luxury vehicles created by this German brand. This fully redesigned Audi A6 model was launched in Germany in June 2018. Offering style that revolves around the finer points, the all-new Audi A6 brings with it all the latest automotive innovations in terms of digitization, comfort, and sportiness. This all-new model also offers a mild hybrid drivetrain that reduces fuel consumption. The fifth generation of the Audi A6 is also available as a station wagon, much like the former models.
Frequently Asked Questions
How do I change a headlight bulb on my Audi A6?
To change a headlight bulb on your Audi A6, first remove the headlight assembly from the car. Then, remove the old bulb and replace it with a new one. Be sure to handle the bulb with gloves and avoid touching the glass to prevent damage.
How do I change the oil in my Audi A6?
To change the oil on your Audi A6, first drain the old oil by removing the oil drain plug and letting it drain into a container. Then, remove and replace the oil filter. Finally, refill the engine with fresh oil, being sure to use the recommended grade and quantity specified in the owner’s manual.
How do I check the transmission fluid level on my Audi A6?
To check the transmission fluid level on your Audi A6, first ensure the vehicle is parked on level ground with the engine running and transmission in park. Remove the transmission dipstick and wipe it clean. Reinsert the dipstick and then remove it again to check the fluid level.
How do I replace a broken side mirror on my Audi A6?
To replace a broken side mirror on your Audi A6, first remove the interior door panel to access the mirror mounting bolts. Then, disconnect the electrical connector and remove the old mirror. Install the new mirror and reattach the electrical connector and door panel.
How do I replace the air filter on my Audi A6?
To replace the air filter on your Audi A6, first locate the air filter housing under the hood. Remove the housing cover and old air filter. Install the new air filter, ensuring it is properly seated and secured. Reattach the housing cover and ensure all connections are tight.
How do I replace the brake pads on my Audi A6?
To replace the brake pads on your Audi A6, first remove the wheel and then the brake caliper. The old brake pads can then be removed and replaced with new ones. Be sure to properly lubricate the caliper pins and use the recommended torque specifications when reassembling.
How do I replace the cabin air filter on my Audi A6?
To replace the cabin air filter on your Audi A6, first locate the filter housing behind the glove box. Remove the old filter and install the new filter, ensuring it is properly seated and secured. Reattach the housing cover and ensure all connections are tight.
What is the lifespan of a timing belt on an Audi A6?
The lifespan of a timing belt on an Audi A6 varies depending on the model year and engine type. Refer to the owner’s manual for the recommended replacement interval. It is important to replace the timing belt at or before this interval to prevent engine damage.
What is the recommended maintenance schedule for my Audi A6?
The recommended maintenance schedule for your Audi A6 can be found in the owner’s manual. It is important to follow this schedule to ensure proper vehicle function and prevent damage. Regular maintenance may include oil changes, filter replacements, and system inspections.
What is the recommended tire pressure for my Audi A6?
The recommended tire pressure for your Audi A6 can be found in the owner’s manual or on the tire information placard located on the driver’s side door jamb. Be sure to check tire pressure regularly and adjust as necessary for safe and efficient driving.
What should I do if my Audi A6 won’t start?
If your Audi A6 won’t start, first check the battery and starter motor to ensure they are functioning properly. If these components are working correctly, check the fuel pump, ignition system, and engine control module. Diagnosing the issue may require specialized tools and equipment.
What type of transmission fluid does my Audi A6 require?
The type of transmission fluid required for your Audi A6 depends on the model year and transmission type. Refer to the owner’s manual for the correct type and recommended brand of transmission fluid. It is important to use the correct type of fluid to ensure proper transmission function and prevent damage.
Why is my Audi A6 making a strange noise?
There are many possible reasons why your Audi A6 may be making a strange noise, including worn or damaged components, loose parts, or a malfunctioning system. Diagnosing the issue may require a professional inspection and repairs.
Why is my Audi A6 overheating?
There are several possible reasons why your Audi A6 may be overheating, including a malfunctioning thermostat, a leak in the cooling system, a damaged water pump, a clogged radiator, or a faulty fan. Check each of these components to diagnose the problem and make necessary repairs.
Why is my Audi A6’s check engine light on?
There are many possible reasons why your Audi A6’s check engine light may be on, including a malfunctioning sensor, emission control system issue, or engine problem. Use a diagnostic tool to retrieve the error code and diagnose the issue. Repairs may be necessary to resolve the problem.

