Segment:
Executive Luxury Sedan/Wagon
Target Audience:
Owners seeking in-depth knowledge for DIY repairs, professional mechanics, automotive enthusiasts.
Key Competitors:
BMW 5 Series, Mercedes-Benz E-Class, Lexus GS
Manual Value Proposition:
Most complete and official factory service manual for the 2005 Audi A6/S6/RS6 generation, offering factory-level accuracy and detail.
Primary Coverage:
Audi A6 (4F), S6 (4F), RS6 (4F)
Body Styles Covered:
Sedan (4F2), Avant/Wagon (4F5), Allroad Quattro (4FH)
Type:
Factory Service Repair Manual
Engine Mechanical:
Yes, comprehensive
Engine Control System:
Yes, including diagnostics and programming
Transmission Manual:
Yes, for manual gearbox variants
Transmission Automatic:
Yes, including Tiptronic/DSG functions
Drivetrain Quattro:
Yes, including AWD system components and differentials
Brakes System:
Yes, including ABS, ESP, and brake assist
Suspension System:
Yes, including adaptive air suspension (where applicable)
Steering System:
Yes, including power steering and steering angle sensor
Electrical System:
Yes, extensive coverage
Lighting System:
Yes, including Xenon and LED lighting
Restraint System:
Yes, including airbags and seatbelt pre-tensioners
Body Frame Interior:
Yes, including trim and upholstery
Body Frame Exterior:
Yes, including body panels and aerodynamic components
HVAC System:
Yes, including climate control
Audio Visual Telematics:
Yes, including MMI system and navigation
Wheels Tires:
Yes, including specifications and mounting procedures
Maintenance:
Yes, scheduled maintenance and fluid changes
Troubleshooting:
Yes, extensive diagnostic procedures and fault codes
Repair Procedures:
Yes, detailed step-by-step instructions for all major components
Component Replacement:
Yes, from minor parts to major assemblies
Diagnostic Testing:
Yes, including use of VCDS/ODIS and specific test plans
Wiring Diagrams:
Yes, complete and detailed
Special Tools:
Yes, lists and illustrations of required tools
Depth:
Comprehensive: From basic fluid checks to complete engine and transmission rebuilds, including advanced electronic system diagnostics.
Engine Code:
Likely BNV, BKN, BPJ (2.4L V6 FSI), BDW (3.2L V6 FSI), BAS (4.2L V8 FSI)
Engine Code:
Likely BXA (5.2L V10 FSI)
Engine Code:
Likely BFC, BSN, BSM (4.2L V8 Bi-Turbo FSI)
Horsepower Range:
177 hp (2.4L) to 335 hp (4.2L V8)
Horsepower:
429 hp (5.2L V10)
Horsepower:
450 hp (4.2L Bi-Turbo V8)
Injection Type:
Direct Fuel Injection (FSI)
Forced Induction Rs6:
Twin-Turbochargers
Valvetrain:
DOHC, 4 Valves per Cylinder (with variable valve timing, e.g., Audi Valvelift System on some models)
A6 Variants:
6-speed manual or 6-speed Tiptronic automatic
S6 Variants:
6-speed Tiptronic automatic
Rs6 Variants:
6-speed Tiptronic automatic (with optional manual for some markets/years)
Quattro AWD:
Standard on all models (Permanent All-Wheel Drive with self-locking center differential)
Tiptronic:
Allows manual gear selection via shifter or steering wheel paddles
Length:
Approx. 4916 mm (193.5 in)
Width:
Approx. 1855 mm (73.0 in)
Height:
Approx. 1459 mm (57.4 in)
Length:
Approx. 4917 mm (193.6 in)
Width:
Approx. 1855 mm (73.0 in)
Height:
Approx. 1462 mm (57.6 in)
Wheelbase:
Approx. 2843 mm (112.0 in)
Curb Weight Range:
Approx. 1700 kg (3748 lbs) for A6 2.4L to over 2000 kg (4409 lbs) for RS6 Avant
NHTSA Rating:
Generally good, though specific 2005 ratings may vary by test and configuration. Typically 4 or 5 stars for front/side impacts.
Electronic Stability Control:
Standard (ESP)
Anti Lock Brakes:
Standard (ABS)
Traction Control:
Standard (ASR)
All Wheel Drive:
Standard (Quattro)
Airbags:
Front, side, and curtain airbags standard
Seatbelts:
3-point automatic with pre-tensioners
Child Seat Anchors:
ISOFIX/LATCH system
System Name:
MMI (Multi Media Interface)
Features:
Navigation, radio, CD changer, Bluetooth telephony (optional), Audi Sound System or Bang & Olufsen premium audio (optional)
Adaptive Cruise Control:
Optional (Audi Adaptive Cruise Control)
Parking Assistance:
Parking sensors (front and rear), optional rearview camera.
Lighting Technology:
Bi-Xenon headlights with LED daytime running lights (DRLs) and adaptive light function (cornering lights).
Bluetooth:
Available for phone integration
Oil Change Interval:
Typically 15,000 km (9,375 miles) or 12 months, whichever comes first, subject to driving conditions (as per factory recommendations, may vary by region).
Major Service Intervals:
Includes spark plug replacement, fuel filter, air filter, cabin filter, coolant, and brake fluid typically around 60,000 - 90,000 km (37,500 - 56,250 miles).
Engine Oil Type:
Full synthetic, meeting VW 502 00/505 00 or VW 504 00/507 00 specifications (e.g., 5W-40 or 0W-30 depending on engine variant and temperature)
Coolant Type:
G12 Plus or G12 Evo (Pink/Red or Purple), ethylene glycol-based, silicate-free
Brake Fluid Type:
DOT 4 Class 6 (Low Viscosity)
Transmission Fluid Automatic:
Audi G 055 005 or equivalent (specialized ATF, often not user-serviceable, requiring dealership or specialist service)
Differential Oil Front Rear:
VW G 052 145 A1 (or equivalent GL-5 specification gear oil)
Common Wear Items:
PCV valve failures (leading to oil consumption/rough idle), ignition coil failures, oil leaks from valve cover gaskets/oil cooler seals, carbon buildup in FSI engines.
Suspension Components:
Control arm bushings, air suspension compressor/struts (if equipped).
Electrical Gremlins:
Can occur due to water ingress in certain modules or aging wiring harnesses.
Audi Legacy:
Audi has a long history of engineering excellence, particularly in quattro all-wheel-drive technology and luxury automotive manufacturing.
A6 Generation:
This represents the C6 generation (2004-2011) of the Audi A6, a significant redesign featuring Audi's distinctive Singleframe grille.
S6 Introduction:
The S6 variant offered enhanced performance with a larger displacement engine, often a V8 or V10, and sport-tuned suspension and styling.
Rs6 Introduction:
The RS6 is the high-performance homologation special from Audi Sport, typically featuring a powerful twin-turbocharged engine and advanced chassis dynamics for track-inspired performance.
Manufacturing Locations:
Primarily Neckarsulm, Germany
Consumer Reports Ratings:
Generally rated well for comfort, performance, and build quality, though some reliability concerns might have been noted depending on specific engines and options.
Ward Auto Awards:
The 4.2L V8 FSI and later the 5.2L V10 FSI engines received '10 Best Engines' awards in various years.