Home » FAQ » Audi » What transmission does an Audi A6 have?

What Transmission Does an Audi A6 Have?

The Audi A6 can be equipped with several different transmissions depending on the model year, engine, drivetrain (front‑wheel drive or quattro all‑wheel drive), and market, including a 7‑speed S tronic dual‑clutch automatic, an 8‑speed tiptronic torque‑converter automatic, and in older generations, a continuously variable transmission (CVT) and manual gearboxes. The exact transmission in any specific Audi A6 depends on its generation, engine variant, and region.

Understanding the Audi A6 Transmission Lineup

The Audi A6 is a mid-size executive sedan (and Avant wagon in some markets) that has evolved through multiple generations since the mid‑1990s. Over that time, Audi has used a mix of transmission technologies, shifting away from manuals and CVTs toward modern dual‑clutch and conventional automatic gearboxes. To know what transmission a particular A6 has, it’s essential to consider its generation, engine, and drivetrain configuration.

Current-Generation Audi A6 (C8, 2019–Present)

The latest Audi A6 (known as the C8, launched globally from 2018/2019 onward) focuses on automatic transmissions only. Manuals have been discontinued in most markets, and Audi has standardized high‑tech automatic solutions aligned with engine output and drivetrain.

7‑Speed S tronic Dual‑Clutch Automatic

The 7‑speed S tronic is Audi’s dual‑clutch automatic gearbox, designed to combine rapid gear changes with smooth operation. In the current A6 range, it is typically paired with lower‑ to mid‑output engines, especially mild‑hybrid four‑cylinders and some six‑cylinders, depending on region.

Here are the key points that explain where and how the 7‑speed S tronic is used in the current A6 lineup.

  • Common on 2.0 TFSI petrol engines (e.g., A6 40 TFSI, 45 TFSI in Europe and some global markets)
  • Used on many 2.0 TDI diesel variants (e.g., A6 35 TDI, 40 TDI in Europe)
  • Often paired with quattro ultra (on‑demand all‑wheel drive) in certain models
  • Features fast, pre‑selected gear changes using two clutches for improved performance
  • Works with mild‑hybrid systems (MHEV) to enhance efficiency and coasting capability

In practice, the 7‑speed S tronic gives the A6 a more sporty, responsive character while still behaving like a smooth automatic in everyday driving.

8‑Speed Tiptronic Automatic

The 8‑speed tiptronic is a conventional torque‑converter automatic transmission, favored for higher‑torque engines and performance‑oriented variants. In the current A6 generation, it is standard on more powerful engines, including the high‑performance S6 and RS6 models.

The following points clarify in which conditions and variants the 8‑speed tiptronic is typically used.

  • Standard on many 3.0 TDI V6 diesel models (e.g., A6 50 TDI, 55 TDI in Europe)
  • Used on more powerful petrol V6 engines (e.g., A6 55 TFSI in several markets)
  • Standard on S6 (performance diesel or petrol, depending on market) with quattro
  • Standard on RS6 Avant (high‑performance V8 models in markets where offered)
  • Optimized for high torque, towing, and smoothness, especially at low speed

This transmission offers refined shifting and durability with strong torque outputs, making it the preferred choice in the upper tier of the A6 range and in performance variants.

Plug‑In Hybrid (TFSI e) Transmission Setup

Plug‑in hybrid (PHEV) versions of the A6, such as the A6 50 TFSI e or 55 TFSI e (where available), use an automatic transmission integrated with an electric motor. This setup is closely related to the S tronic architecture but adapted to hybrid operation.

The list below outlines how transmission works in Audi A6 plug‑in hybrid variants.

  • Hybrid module integrates an electric motor between the engine and gearbox
  • Typically paired with a 7‑speed dual‑clutch system in current PHEV models
  • Supports pure electric driving at low to moderate speeds and short distances
  • Manages power flow from the engine and electric motor via automatic control
  • Allows regenerative braking and energy recovery through the transmission

This hybrid transmission delivers a blend of electric smoothness and conventional performance, aligning with emissions and efficiency targets in key markets such as Europe and China.

Previous Generations: How Audi A6 Transmissions Evolved

Earlier generations of the Audi A6 offered a broader mix of transmissions, including manuals and CVTs, which have largely disappeared in the latest models. Understanding these options is important if you are looking at a used A6.

C7 Generation (2011–2018, including facelift)

The C7 A6 featured an extensive range of powertrains tailored to different regions. This generation marked a transition away from manual gearboxes and toward advanced automatics.

The following items summarize the main transmission types used in the C7 Audi A6.

  • 6‑speed manual – Offered on some lower‑output petrol and diesel engines in Europe, particularly front‑wheel‑drive models early in the generation.
  • Multitronic CVT (continuously variable transmission) – Used mainly on front‑wheel‑drive models with lower‑torque engines (both petrol and diesel). This transmission is now discontinued in newer generations.
  • 7‑speed S tronic dual‑clutch automatic – Primarily paired with quattro models and mid‑range engines, especially in Europe and select global markets.
  • 8‑speed tiptronic automatic – Reserved for higher‑torque models, such as V6 TDI diesels and powerful petrol engines, as well as S6 and RS6 performance variants.

Buyers of used C7 A6s will often encounter CVT, dual‑clutch, and conventional automatic options, with the specific choice depending heavily on drivetrain and engine configuration.

C6 Generation (2004–2011)

The C6 A6 further expanded Audi’s use of automatic transmissions but still retained manuals, especially in Europe. This era also saw broader use of CVT in front‑wheel‑drive models.

The points below highlight the key transmission choices available in the C6 Audi A6.

  • 6‑speed manual – Common on four‑cylinder and some V6 engines, mostly in European markets.
  • Multitronic CVT – Widely used on front‑wheel‑drive models with inline‑four and V6 engines, particularly diesels and lower‑power petrols.
  • 6‑speed tiptronic automatic – Paired with many quattro (all‑wheel‑drive) models, V6 and V8 engines, and higher‑output configurations.

During the C6 era, the choice between CVT and tiptronic was often determined by whether the car had front‑wheel drive or quattro all‑wheel drive, with CVT usually tied to FWD.

C5 Generation (1997–2004)

The C5 A6, which helped establish the model globally, offered a more traditional mix of manuals and automatics, before the widespread introduction of dual‑clutch technology.

The following list details the primary transmission options seen in the C5 Audi A6.

  • 5‑speed manual (later 6‑speed in some models) – Widely offered, especially on four‑cylinder and V6 engines in many markets.
  • 5‑speed automatic – Conventional torque‑converter automatic used with a variety of engines and often combined with quattro all‑wheel drive.
  • Early CVT (Multitronic) – Introduced on some front‑wheel‑drive models toward the later years of the generation, particularly in Europe.

In this generation, transmission choices were simpler, with manuals more common and CVT just beginning to appear in the range.

How to Find Out Which Transmission Your Specific Audi A6 Has

Because the Audi A6 has been sold with many transmission types across multiple generations and markets, confirming the exact gearbox in a particular car often requires checking its documentation or identification numbers.

The following steps explain how owners or buyers can accurately identify the transmission in a specific Audi A6.

  1. Check the owner’s manual – The manual will list the transmission type (e.g., 7‑speed S tronic, 8‑speed tiptronic, Multitronic).
  2. Look at the build sheet or window sticker – Often available from the dealer or original sales documents; it typically specifies gearbox type.
  3. Use the VIN (Vehicle Identification Number) – Many online VIN decoders and official Audi dealer systems can reveal transmission details.
  4. Contact an Audi dealer or service center – Provide your VIN, and they can print out the vehicle data card with transmission code.
  5. Inspect the service label – Some A6 models have a data sticker in the trunk or service book listing the transmission code (e.g., for S tronic or tiptronic).

By combining documentation, VIN decoding, and dealer support, you can usually pinpoint the exact transmission type and code for any individual A6.

Regional Differences in Audi A6 Transmissions

Transmission availability in the Audi A6 varies by market, reflecting local preferences, emissions regulations, and drivetrain demand. North America, Europe, and other regions do not always share the same options.

North America

In the United States and Canada, the A6 has been sold almost exclusively with automatic transmissions in recent years, with manuals disappearing earlier than in Europe.

The items below explain the main trends for A6 transmissions in the North American market.

  • Recent models (C7 and C8) – Primarily 7‑speed dual‑clutch S tronic or 8‑speed tiptronic, depending on engine and trim.
  • No manual gearboxes – Manual transmissions have not been offered in the modern A6 in North America for many years.
  • No CVT in later years – CVT Multitronic was never as common in North America as in Europe and has disappeared from newer models.
  • Performance models – S6 and RS6 typically use the 8‑speed tiptronic with quattro all‑wheel drive.

As a result, most used or new A6s in North America will have a conventional or dual‑clutch automatic, with engine size and trim level determining which one.

Europe and Other Global Markets

European and some other international markets historically received a broader mix of transmissions, including manuals and CVTs, as well as a richer variety of diesel powertrains.

The following points outline the main characteristics of A6 transmissions in Europe and other regions where multiple options were offered.

  • Manuals – Offered well into the C7 generation on lower‑output engines, especially diesels.
  • CVT Multitronic – Common on front‑wheel‑drive petrol and diesel A6s in earlier generations (C5, C6, early C7).
  • S tronic – Widely used across quattro and some front‑wheel‑drive variants, particularly with four‑cylinder and V6 engines.
  • Tiptronic – Typically reserved for higher‑torque V6 diesels, V6/V8 petrols, and S/RS models.

In these markets, identifying the transmission in an A6 is less straightforward without checking the specific car’s documentation, due to the larger variety of available configurations.

Summary

The Audi A6 does not have a single, universal transmission. Instead, it has used a range of gearboxes over its generations, including 7‑speed S tronic dual‑clutch automatics, 8‑speed tiptronic torque‑converter automatics, earlier Multitronic CVT units, and previously, manual transmissions. Modern A6 models (C8, 2019–present) are exclusively automatic, with S tronic serving lower‑ and mid‑range engines and tiptronic handling high‑torque and performance variants, including S6 and RS6. For any specific Audi A6, the only precise way to know the transmission is to check its documentation, VIN data, or dealer records, since model year, engine, drivetrain, and market all influence which gearbox it carries.

What transmission does the Audi A6 have?

The Audi A6 uses different transmission types depending on the model year and engine, with common options being a 7-speed dual-clutch automatic (S tronic) or an 8-speed automatic transmission. Some older models also used a CVT (Continuously Variable Transmission) or a conventional automatic.
 
This video shows how to change the transmission oil in an Audi A6: 58smechanic for carsYouTube · Nov 25, 2024
Common Audi A6 transmission types

  • 7-speed S tronic dual-clutch automatic: This is a common standard or optional transmission on newer models, especially those with the 2.0L turbo-four engine and all-wheel drive. 
  • 8-speed conventional automatic: Found on models with the V6 engine, performance S6, and RS 6 models. 
  • Continuously Variable Transmission (CVT): Used in some earlier models, especially those with front-wheel drive. 

How to determine your transmission type

  • Check your owner’s manual or the vehicle’s VIN plate for the specific transmission code.
  • For older models, look for indicators like a “multitronic” nameplate, which identifies a CVT. 

Do Audis have a CVT transmission?

Yes, some older Audi models did use CVT transmissions, but Audi has since discontinued them for new models, replacing them with its S-Tronic dual-clutch transmission. While new Audis no longer come with CVTs, many used models on the market still have them.
 
This video explains the basics of how a CVT works: 1mAswanationYouTube · Apr 8, 2024

  • Multitronic CVT: Audi’s name for its Continuously Variable Transmission was the Multitronic. It used a belt and pulleys to provide seamless gear changes and improve fuel economy. 
  • Current models: Audi phased out the Multitronic CVT in favor of dual-clutch transmissions for newer models. 
  • Availability in used cars: If you are looking at older models, especially base front-wheel-drive A4 or A6 versions, they may have a Multitronic CVT. 

This video shows how to service a CVT transmission in an Audi A4: 54sDeutsche Auto PartsYouTube · May 14, 2020

Does the Audi A6 have DCT?

55 TFSI® 3.0L turbocharged V6 features the Seven-speed S tronic® DCT transmission, has a quattro® AWD with ultra® technology drivetrain, 335 HP, 369 lb. -ft. of torque, a 0-60 MPH rate of 5.1 seconds, and 22 city / 30 hwy MPG.

What year Audi A6 to stay away from?

Years to avoid for the Audi A6 include 2000-2002, 2005-2006, and 2012 due to common electrical issues, airbag problems, and oil consumption. Additionally, some model years have specific recalls, such as 2014-2016 for potential fuel leaks and certain 2018-2022 models for issues with the gateway control unit or fuel level indicator. 
You can watch this video for a detailed breakdown of Audi A6 years to avoid: 54sSimple Mechanic AdviceYouTube · Jan 5, 2025
Years with known issues

  • 2000-2002: Prone to widespread electrical faults and widespread oil consumption issues. 
  • 2005-2006: Common issues include electrical problems and oil consumption. 
  • 2012: Has a history of multiple recalls, including recalls for the side guard head curtain airbag and the electric coolant pump. 
  • 2014: A recall for an auxiliary heater element was issued for cars built between July 8 and October 31, 2014. 
  • 2014-2016: Some models from this period were subject to recalls for fuel leaks. 
  • 2016: A recall was issued for faulty airbags and seatbelt tensioners for some cars built between May 1 and October 30, 2016. 
  • 2018-2021: Some cars had recalls for incorrect seat belt warnings. 
  • 2018-2022: A recall was issued for potential water ingress into gateway control units and some models have a fuel level indicator defect. 
  • 2020: Recalls were issued for a starter alternator on certain engines and a defect in the front passenger airbag. 

General maintenance and reliability

  • The C7.5 generation (2014 and newer) is generally considered more reliable, but may still require attention for issues like the water pump and PCV valve, particularly after 80,000 miles. 
  • Routine maintenance is crucial for any Audi A6, especially after 100,000 miles. 
  • While many specific model years have known issues, overall, the Audi A6 has an average reliability rating, and its long-term reliability depends heavily on proper maintenance. 

T P Auto Repair

Serving San Diego since 1984, T P Auto Repair is an ASE-certified NAPA AutoCare Center and Star Smog Check Station. Known for honest service and quality repairs, we help drivers with everything from routine maintenance to advanced diagnostics.

Leave a Comment