Segment:
Executive Mid-size Luxury Sedan/Wagon
Competitors:
BMW 5 Series, Mercedes-Benz E-Class, Lexus GS, Volvo S90.
Platform:
Volkswagen Group MLB platform
Drivetrain:
Front-wheel drive (FWD) and Quattro all-wheel drive (AWD) available.
Technology Suite:
Advanced MMI infotainment, optional virtual cockpit, driver assistance systems.
Strength:
Audi's reputation for interior quality, technology integration, and Quattro AWD system.
Engine Variants Covered:
2.0L TFSI (CGLD, CGMA), 3.0L TFSI Supercharged V6 (CGXC, CGXA, CRED), 3.0L TDI Clean Diesel (CDUC, CPNB, CPNA)
Body Styles Covered:
Sedan (4G2), Avant (4G5)
Type:
Workshop Manual / Wiring Diagram Manual
Electrical System:
Complete electrical system diagnosis, wiring harnesses, component locations, connector pinouts, fuse box layouts, relay assignments, circuit descriptions.
Engine Control:
Engine control module (ECM) operation, sensor inputs, actuator outputs, ignition system, fuel injection system, emissions control systems.
Transmission:
Automatic transmission (8-speed Tiptronic) electrical controls, mechatronics unit, shift solenoids, transmission control module (TCM).
Chassis Systems:
ABS, ESP, ASR, Brake Assist electrical components and wiring, steering assist systems (electromechanical).
Comfort And Convenience:
Climate control, power seats, power windows, power locks, sunroof, lighting systems (LED, Xenon), keyless entry, alarm systems.
Infotainment And Navigation:
MMI system, audio components, navigation module, Bluetooth connectivity, voice control, displays, cameras.
Troubleshooting:
Systematic diagnostic procedures, symptom-based troubleshooting charts, fault code interpretation, diagnostic test modes.
Component Replacement:
Detailed instructions for replacing electrical components, sensors, actuators, modules, wiring harnesses.
Connector Repair:
Repair procedures for damaged connectors, pin replacement, terminal crimping.
Module Coding And Adaptation:
Guidance on coding new control modules and performing adaptation procedures using diagnostic tools.
Depth:
Comprehensive, covering all electrical circuits, component testing, and advanced diagnostic strategies suitable for professional technicians and advanced DIYers.
2.0L Tfsi (4-Cylinder):
Engine Code: CGLD, CGMA. Displacement: 1984 cc. Bore x Stroke: 82.5 x 92.8 mm. Compression Ratio: 9.6:1. Power: ~220-252 hp. Torque: ~258-273 lb-ft.
3.0L Tfsi (Supercharged V6):
Engine Code: CGXC, CGXA, CRED. Displacement: 2995 cc. Bore x Stroke: 84.5 x 89.0 mm. Compression Ratio: 10.5:1. Power: ~310 hp. Torque: ~325 lb-ft.
3.0L Tdi Clean Diesel (V6):
Engine Code: CDUC, CPNB, CPNA. Displacement: 2967 cc. Bore x Stroke: 83.0 x 91.4 mm. Compression Ratio: 15.5:1. Power: ~240 hp. Torque: ~428 lb-ft.
Acceleration 0 60 Mph 3.0T:
Approximately 4.5 - 4.9 seconds (Quattro).
Injection Type:
Direct injection with port injection backup (TFSI).
Fuel Requirement:
Premium Unleaded Gasoline (91 AKI or higher) for TFSI engines, Ultra-Low Sulfur Diesel for TDI engines.
Transmission Type:
8-speed Tiptronic automatic transmission
Transmission Type:
N/A (All models in this generation featured the 8-speed Tiptronic)
Drivetrain Options:
Front-wheel drive (FWD), Quattro all-wheel drive (AWD)
Transmission Fluid Type:
Audi G 060 162 A1 or equivalent (for 8-speed Tiptronic)
Length Sedan:
Approx. 193.5 inches (4915 mm)
Width Sedan:
Approx. 73.5 inches (1868 mm)
Height Sedan:
Approx. 57.4 inches (1459 mm)
Wheelbase:
Approx. 114.7 inches (2915 mm)
Trunk Volume Sedan:
Approx. 14.1 cu ft (399 L)
Curb Weight 2.0T FWD:
Approx. 3700-3800 lbs (1680-1725 kg)
Curb Weight 3.0T Quattro:
Approx. 4000-4100 lbs (1815-1860 kg)
Wheel Bolt Pattern:
5x112
NHTSA Overall Rating:
5-Star (for models tested)
IIHS Top Safety Pick:
Yes (for models achieving it during testing cycles)
Stability Control:
Electronic Stability Control (ESC) with Traction Control (ASR)
Braking System:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA)
Driver Assistance Options:
Adaptive Cruise Control (ACC), Audi Pre Sense (city and basic), Lane Departure Warning, Blind Spot Monitoring (Side Assist), Parking System Plus.
Airbags:
Front airbags, front side airbags, side curtain airbags, knee airbags (driver).
Seatbelts:
3-point safety belts with pre-tensioners and force limiters, ISOFIX child seat anchors.
Infotainment System:
Audi Music Interface (MMI) with navigation, Bluetooth audio streaming, voice control.
Display Technology:
Central MMI display (7-inch or 8-inch), optional Audi Virtual Cockpit (12.3-inch digital instrument cluster).
Adaptive Cruise Control:
Available Adaptive Cruise Control with Stop & Go functionality.
Parking Assist:
Parking sensors (front and rear), rearview camera, optional surround view cameras.
Connectivity Options:
Bluetooth hands-free calling and audio, Wi-Fi hotspot capability (optional).
Headlight Options:
Xenon Plus headlights with LED daytime running lights, optional Matrix LED headlights.
Oil Change Interval:
Typically every 10,000 miles or 1 year, whichever comes first, using synthetic oil.
Major Service Interval:
Spark plugs: 40,000-60,000 miles (depending on engine). Timing belt: N/A (Timing chain used). Cabin air filter: Every 20,000 miles or 2 years.
Engine Oil Type 2.0T:
SAE 0W-30 or 0W-40, meeting VW 502 00 / 505 00 or VW 504 00 / 507 00 specifications.
Engine Oil Type 3.0T:
SAE 5W-30 or 5W-40, meeting VW 502 00 / 505 00 specifications.
Coolant Type:
G13 coolant (Purple) or equivalent meeting VW TL 774 J.
Brake Fluid Type:
DOT 4 Class 6
Electrical Issues:
Water ingress in ECU connectors, faulty door lock actuators, MMI system glitches, LED headlight issues.
Engine Issues:
Oil consumption in early 2.0T models, PCV valve failures, thermostat housing leaks.
Transmission Issues:
Mechatronic unit failures (less common but costly), transmission fluid leaks.
Audi Legacy:
Part of the Volkswagen Group, Audi has a long history of automotive innovation dating back to the early 20th century, known for its design, engineering, and Quattro technology.
A6 Lineage:
The A6 nameplate has been used since 1994, succeeding the Audi 100. The C7 generation represented a significant redesign focused on lighter materials, advanced technology, and refined styling.
Manufacturing Locations:
Neckarsulm, Germany; Ingolstadt, Germany; Changchun, China (for the Chinese market).
Car And Driver 10 Best:
Audi A6 (multiple variants) often featured on Car and Driver's 10Best lists during its production run.
Consumer Reports Reliability:
Varied reliability ratings depending on the specific model year and powertrain, with some electronic components being a common concern.
Emissions Standards:
Complies with relevant EPA and CARB emissions standards for its model years.
