Market Position:
A premium executive sedan, positioning the Audi A6 Quattro as a competitor to vehicles like the BMW 5 Series and Mercedes-Benz E-Class. Known for its advanced Quattro all-wheel-drive system and refined interior.
Competitive Analysis:
The 2002 A6 Quattro competed in a segment demanding luxury, performance, and advanced technology. Its Quattro system was a significant differentiator, offering superior traction and handling in various conditions.
Key Features:
Permanent All-Wheel Drive (Quattro), available V6 and V8 engines, premium interior materials, advanced safety features, and refined ride quality.
Coverage Areas:
Engine, Transmission, Drivetrain, Brakes, Suspension, Steering, Electrical Systems, HVAC, Body, Chassis, Maintenance, Diagnostics, Troubleshooting, Repair
Manual Type:
Online Service and Repair Manual Software
Systems Covered:
Engine Mechanical, Engine Management, Fuel System, Ignition System, Exhaust System, Cooling System, Lubrication System, Automatic Transmission (Tiptronic), Quattro All-Wheel Drive System, Suspension (Front & Rear), Steering System, Brake System (ABS, ESP), Electrical System (Wiring Diagrams, Components), Climate Control (HVAC), Body & Chassis, Interior & Exterior Trim, Audio System, SRS Airbag System
Procedures Included:
Routine Maintenance, Scheduled Servicing, Component Removal & Installation, Diagnostic Procedures, Troubleshooting Guides, Repair & Overhaul, Electrical System Diagnostics, Wiring Harness Repair, Body Panel Repair, Wheel Alignment, Fluid Changes & Checks, Filter Replacements, Brake Pad/Rotor Replacement, Suspension Component Replacement, Engine Timing Adjustments, Emissions Control System Servicing
Technical Depth:
Comprehensive, from basic maintenance to advanced diagnostics and component-level repair. Includes OE-derived data for accuracy and completeness.
Engine Code Variant:
2.7T (APB), 4.2L V8 (ASG, AQJ)
Horsepower 2 7T:
250 hp @ 5800 rpm
Torque 2 7T:
258 lb-ft @ 1800-4000 rpm
Horsepower 4 2L V8:
300 hp @ 6000 rpm
Torque 4 2L V8:
295 lb-ft @ 3200 rpm
Fuel System:
Electronic Fuel Injection (EFI) - Multi-point
Engine Layout:
V6 (2.7L Twin-Turbocharged) and V8 (4.2L Naturally Aspirated)
Engine Management System:
Bosch Motronic (specific version varies by engine)
Standard Transmission:
5-speed Tiptronic Automatic (with manual shift mode)
Optional Transmission:
6-speed Manual (less common on Quattro models)
Transmission Features:
Tiptronic allows for manual selection of gears, intelligent shift logic adapting to driving style, integrated with Quattro AWD.
NHTSA Driver Front Impact:
4/5 Stars
NHTSA Passenger Front Impact:
4/5 Stars
IIHS Frontal Offset:
Good
Active Safety Features:
Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (TCS)
Passive Safety Features:
Frontal Airbags (Driver & Passenger), Side Curtain Airbags (optional/standard depending on trim), Front Seatbelt Pretensioners, Crumple Zones
Infotainment System:
Audi Symphony or Concert CD Player with Radio, Cassette Player (early models), optional CD Changer. Navigation system available on higher trims.
Driver Assistance Features:
Traction Control, Electronic Stability Program (ESP), Cruise Control.
Connectivity Features:
Optional hands-free mobile phone integration (Bluetooth not standard).
Oil Change Interval:
Every 7,500-10,000 miles or 12 months, whichever comes first (synthetic oil recommended).
Timing Belt Interval:
Approximately every 60,000-70,000 miles or 5 years for the 2.7T and 4.2L engines. Crucial to follow to prevent catastrophic engine damage.
Spark Plug Replacement:
Approximately every 60,000 miles for the 2.7T (iridium plugs), and 100,000 miles for the 4.2L (long-life plugs).
Engine Oil Specification:
SAE 0W-30 or 5W-40 Synthetic (API SJ or higher, VW 502.00/505.00 compliant).
Transmission Fluid Specification Auto:
G 052 162 A1/A2 (ATF for Tiptronic)
Coolant Specification:
G 12 (Red) or G 12+ (Pink) Antifreeze/Coolant
Known Issues Ignition:
Coil-on-plug failure (common on 2.7T), spark plug blow-out (pre-APC models).
Known Issues Engine:
Oil leaks (valve cover gaskets, oil cooler seals), PCV system issues leading to pressure buildup, coolant leaks (thermostat housing, coolant flange).
Known Issues Transmission:
Mechatronic unit failure, torque converter seal leaks, infrequent shifting issues.
Known Issues Suspension:
Front control arm bushings, tie rod ends, and sway bar links wear out prematurely.
Known Issues Electrical:
HVAC blower motor resistor failure, window regulator issues, ABS/ESP sensor failures.
Engine Oil Capacity 2 7T:
Approx. 6.5 Quarts (with filter)
Engine Oil Capacity 4 2L:
Approx. 8.0 Quarts (with filter)
Oil Filter Part Number Example:
Mann Filter HU712/1, Mahle OX154/3D (verify for specific engine)
Brand Heritage:
Audi, a German automotive manufacturer, has a long history dating back to the early 20th century. Renowned for its engineering prowess, innovative technologies, and luxurious vehicles, particularly its Quattro all-wheel-drive system.
Model Evolution C5 Generation:
The 2002 Audi A6 is part of the C5 generation (1997-2004), which represented a significant styling and engineering update over its predecessor. This generation saw the introduction of the turbocharged 2.7T engine and further refinement of the Quattro system.
Production Years C5:
1997-2004 (globally)
Manufacturing Locations:
Germany (e.g., Neckarsulm)
