🏷️ Basic Information

Make:

Audi

Model:

A6 S6 RS6

Model Code:

4B, 4B2, 4B4, 4B5, 4B6, 4BH

Year:

1998

👋 Introduction

Segment:

Executive Sedan and Wagon

Target Audience:

Discerning buyers seeking luxury, performance, and advanced technology

Competitors 1998:

BMW 5 Series (E39), Mercedes-Benz E-Class (W210), Lexus GS

Platform:

Volkswagen Group PL45 platform (shared with VW Passat B5)

Design Philosophy:

Sophistication, advanced engineering, quattro all-wheel drive, understated luxury

📋 Manual Details

Main Coverage:

Audi A6, S6, RS6 (1998)

Body Styles:

Sedan (4B2), Avant (4B5)

Total Pages:

16401

Type:

Factory Service and Repair Manual

Language:

English

Format:

PDF

Delivery Method:

Instant Download

Printable:

Yes

Searchable Text:

Fully searchable

Operating Systems:

Windows and Mac

Software Requirements:

Adobe PDF Reader, WinRar

📖 Manual Coverage

Powertrain:

Mechanical Engine, Transmission, Driveline Axle

Chassis:

Brakes, Steering, Suspension, Wheels & Tires

Electrical:

Electrical System, Lights

Body And Interior:

Body & Frame - Interior & Exterior, Restraints

Comfort And Convenience:

HVAC, Audio, Visual & Telematics, Accessories & Equipment

Diagnostics And Troubleshooting:

Comprehensive diagnostic procedures, fault code interpretation, symptom analysis

Maintenance:

Scheduled maintenance, fluid checks and changes, filter replacements

Repair And Overhaul:

Component removal, installation, overhaul, and adjustment procedures for all major systems

Electrical Diagnostics:

Wiring diagrams, component testing, troubleshooting electrical faults

Bodywork:

Body panel alignment, repair techniques, trim replacement

Depth:

Full factory repair and service specifications, suitable for professional technicians and advanced DIYers

📊 Manual Specifications

Format Detail:

Portable Document Format (PDF)

Print Resolution:

High-resolution, suitable for professional printing

Binding Style:

N/A (Digital Format)

Paper Recommendation:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Code A6:

AEB (1.8T), APB (2.8 V6), AJK (2.8 V6), AQE (2.8 V6)

Displacement A6:

1.8L Turbocharged Inline-4, 2.8L V6

Power Output A6 1.8T:

150 PS (148 bhp; 110 kW)

Torque A6 1.8T:

210 Nm (155 lb-ft)

Power Output A6 2.8:

204 PS (201 bhp; 150 kW)

Torque A6 2.8:

280 Nm (207 lb-ft)

Engine Code S6:

ARY

Displacement S6:

4.2L V8

Power Output S6:

340 PS (335 bhp; 250 kW)

Torque S6:

420 Nm (310 lb-ft)

Engine Code Rs6:

ART, AQJ

Displacement Rs6:

4.2L Bi-Turbo V8

Power Output Rs6:

450 PS (444 bhp; 331 kW)

Torque Rs6:

580 Nm (428 lb-ft)

Fuel Delivery:

Multi-point Fuel Injection (MPI), Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline (Premium)

🔧 Transmission

Type Standard:

5-speed Manual (A6, S6), 6-speed Manual (RS6)

Type Optional:

5-speed Tiptronic Automatic (A6, S6), 5-speed Tiptronic Automatic (RS6)

Drivetrain:

Front-wheel drive (FWD) standard on A6; quattro permanent all-wheel drive standard on S6, RS6 and optional on A6

📐 Dimensions

Length A6 Sedan:

4,797 mm (188.9 in)

Width A6 Sedan:

1,784 mm (70.2 in)

Height A6 Sedan:

1,455 mm (57.3 in)

Length A6 Avant:

4,815 mm (189.6 in)

Width A6 Avant:

1,784 mm (70.2 in)

Height A6 Avant:

1,475 mm (58.1 in)

Curb Weight A6 Sedan 1.8T:

1,480 kg (3,263 lb)

Curb Weight A6 Sedan 2.8:

1,590 kg (3,505 lb)

Curb Weight S6:

1,700 kg (3,748 lb)

Curb Weight Rs6:

1,880 kg (4,145 lb)

Cargo Volume A6 Avant:

450-1,580 liters (15.9-55.8 cu ft)

🛡️ Safety Features

NHTSA Rating:

Not explicitly available for the 1998 model year, but generally rated highly for its class at the time.

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Electronic Stability Program (ESP) available on some models

Airbags:

Front airbags, optional side airbags

Seatbelts:

Three-point seatbelts with pretensioners

💡 Technology Features

Audi Navigation:

Optional Audi Navigation system with CD-ROM based maps

Audi Sound System:

Bose premium sound system available as an option

Cd Changer:

Optional CD changer in the trunk or glove compartment

Parking Sensors:

Optional rear parking sensors

Cruise Control:

Standard cruise control

Phone Integration:

Optional integrated mobile phone preparation with Bluetooth (later models)

🔧 Maintenance

Oil Change Interval Gasoline:

Every 15,000 km (9,300 miles) or 12 months, whichever comes first (under normal driving conditions).

Oil Change Interval Diesel:

Every 10,000 km (6,200 miles) or 12 months (under normal driving conditions).

Engine Oil A6 1.8T:

SAE 5W-40, API SJ, ACEA A3/B3

Engine Oil A6 2.8:

SAE 5W-40, API SJ, ACEA A3/B3

Engine Oil S6 Rs6:

SAE 0W-40 or 5W-40, API SJ, ACEA A3/B3

Transmission Fluid Manual:

G 052 171 A1 (Gearbox oil)

Transmission Fluid Automatic:

G 055 025 A2 (ATF fluid)

Coolant:

G 12 Plus (Pink ethylene glycol based coolant), 50/50 mix with distilled water

Brake Fluid:

DOT 4

Common Problems Oil Leaks:

Valve cover gasket leaks, oil cooler seals, crankcase breather system issues.

Common Problems Suspension:

Control arm bushings, sway bar links, front and rear shock absorber mounts.

Common Problems Electrical:

Window regulators, climate control module failures, ABS sensor issues, central locking system malfunctions.

Common Problems Engine 1.8T:

Mass airflow sensor (MAF) issues, ignition coil failures, PCV valve issues leading to oil consumption.

Common Problems Engine V8:

Timing belt tensioners (if applicable to specific variant), spark plug replacements, oil sludge buildup if not maintained properly.

Common Problems Transmission:

Automatic transmission solenoids, torque converter issues, manual clutch wear.

📚 Vehicle History

Audi Legacy:

Audi has a long-standing reputation for engineering excellence, quattro all-wheel drive technology, and luxury vehicles since its inception.

C4 To C5:

The 1998 model year marked the introduction of the second generation (C5) Audi A6, replacing the outgoing C4 platform. This generation introduced a more aerodynamic design, improved chassis dynamics, and a wider range of powertrain options.

Production Period:

1997-2004 (C5 generation)

Assembly Plants:

Neckarsulm, Germany; Brussels, Belgium

🏆 Awards & Recognition

Editorial Awards:

Consistently praised by automotive journalists for its refined ride, sophisticated interior, and strong performance, particularly the S6 and RS6 variants.

Safety Organization Ratings:

While specific ratings for 1998 are harder to pin down, the C5 platform generally performed well in its era's safety evaluations.