🏷️ Basic Information Identification Make: Audi Model: A6 C5 S6 RS6 & Allroad Quattro Model Years Covered: 2001 👋 Introduction Market Position Positioning: Premium executive sedan and wagon, with performance (S6, RS6) and all-terrain variants (Allroad) Competitive Analysis Competitors: BMW 5 Series, Mercedes-Benz E-Class, Volvo S80, Jaguar S-Type Key Features Vehicle Focus: Comfort, performance, advanced technology, quattro all-wheel drive system Manual Value Proposition Benefit: Empowers owners and independent repair shops with professional-level diagnostic and repair information Uniqueness: All-encompassing coverage, including hybrid variants (if applicable for the specified year, though C5 A6 was not typically hybrid in 2001), making it a singular resource 📋 Manual Details Coverage Areas Manual Scope: Comprehensive service, repair, and maintenance for all variations Specific Variants Covered: Allroad Quattro, S6, RS6, Avant Page Count Total Pages: ~10,000 pages Manual Type Type: Workshop Service and Repair Manual Additional Manuals Included: Full maintenance manual, full wiring manual Language Language: English Format Format: PDF Accessibility: Instant download Compatibility: PC, Mac, Smartphone, Tablet 📖 Manual Coverage Systems Covered Powertrain: Engine System, Fuel Charging and Controls, Starting System, Engine Ignition, Engine Emission Control, Intake Air Distribution, Emissions, Electronic Engine Controls, Manual Transmission, Clutch Controls, Exhaust System, Fuel System, Acceleration Control, Speed Control Chassis: Suspension, Wheels and Tyres, Driveline System, Driveshaft, Bearings, Brake System, Anti-Lock Control, Steering System, Subframe and Mounting System Electrical: Battery and Charging System, Information and Entertainment Systems, Lighting, Electrical Distribution, Electronic Feature Group, Instrument and Warning Systems, Wiring Manual (full) Body: Body System, Body Panels, Interior Trim, Mirrors, Seating, Glass, Frames and Mechanisms, Instrument Panel and Console, Wipers and Washers, Roof, Bumpers, Safety Belt System, Body Repairs, Metal Repairs Climate Control: Climate Control System, Air Distribution, Control Components Procedures Included Maintenance: Full maintenance procedures, service schedules Repair: Detailed repair instructions for all systems Diagnostics: Troubleshooting guides, diagnostic procedures Installation: Component installation procedures Technical Depth Depth: Dealer-level factory manual standard, covering all elements of service and repair Organization: Fully bookmarked sections for ease of use 📊 Manual Specifications File Format Type: PDF Searchability: Likely searchable text content within PDF Print Quality Quality: Assumed high quality suitable for printing dealership-level documentation Binding Type Type: N/A (Digital PDF) Paper Type Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Options 2001 A6 C5: 2.4L V6 (165 hp), 2.8L V6 (190 hp), 4.2L V8 (340 hp for S6), 4.2L V8 Bi-Turbo (450 hp for RS6) Engine Options 2001 Allroad: 2.7L Bi-Turbo V6 (250 hp) Performance Peak Horsepower Rs6: 450 PS (331 kW) @ 5700-6600 rpm (for the C5 RS6) Peak Torque Rs6: 560 Nm (413 lb-ft) @ 1950-5000 rpm (for the C5 RS6) Fuel System Induction Type: Naturally Aspirated and Bi-Turbocharged (for S6 and RS6) Fuel Delivery: Multi-point Fuel Injection (MPI) Engine Variations Petrol Engines: V6 (2.4L, 2.8L), V8 (4.2L, 4.2L Bi-Turbo) Diesel Engines: The product description mentions Diesel variations, implying the availability of TDI engines such as the 2.5L TDI V6 🔧 Transmission Standard Transmission Types: 5-speed Tiptronic automatic, 6-speed manual (for some models) Optional Transmission Options: Tiptronic automatic transmission widely available, 6-speed manual in performance variants Features Drivetrain: Quattro permanent all-wheel drive system Fluid Specifications Automatic Transmission Fluid: Refer to manual for specific G 052 162 A2 or equivalent VW approved ATF Manual Transmission Fluid: Refer to manual for specific G 052 726 A2 or equivalent VW approved gear oil 📐 Dimensions Exterior Wheelbase A6: 2,760 mm (108.7 in) Length A6 Sedan: 4,809 mm (189.3 in) Length Allroad: 4,854 mm (191.1 in) Weights Curb Weight A6 V6: Approx. 1,580 kg (3,483 lbs) Curb Weight S6: Approx. 1,700 kg (3,748 lbs) Curb Weight Rs6: Approx. 1,700 kg (3,748 lbs) Curb Weight Allroad: Approx. 1,810 kg (3,990 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: Likely 4-star for driver and passenger (typical for the era) IIHS Side Impact: Likely Acceptable or Good (typical for the era) Active Features Stability Control: Electronic Stability Program (ESP) Braking Assistance: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD) Passive Features Airbags: Front airbags, side airbags, optional curtain airbags Seatbelts: Three-point inertia-reel seatbelts with pre-tensioners 💡 Technology Features Infotainment Head Unit Options: Concert, Symphony, Navigation Plus (RNS-D) Audio System: Bose premium sound system available on higher trims. Driver Assistance Parking Assistance: Optional parking sensors (Parktronic) Cruise Control: Standard cruise control system Connectivity Phone Integration: Optional Bluetooth preparation or integrated car phone systems. Lighting Headlight Options: Halogen projector, Xenon headlights with automatic leveling 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000 miles or 1 year, whichever comes first (with LongLife service regime possible) Timing Belt Interval: Refer to manual for specific engine; V6 engines typically require replacement around 70,000-105,000 miles or 5-7 years. Some later models and specific engines may have maintenance-free timing chains. Fluid Specifications Engine Oil Viscosity: Refer to manual; typically 5W-40 or 0W-30 synthetic oil meeting VW 502 00/505 00 standards. Coolant: G 12...