Segment:
Premium Compact Executive Sedan/Wagon
Key Competitors:
BMW 3 Series, Mercedes-Benz C-Class, Lexus IS
Audi Drive Select:
Not applicable for these model years; Quattro AWD was a hallmark
Quattro AWD:
Standard on S4, optional on A4 variants (depending on engine)
Design Philosophy:
Elegant, understated styling with a focus on quality and driver engagement
Primary Coverage:
Parts and component identification for Audi A4 and S4 models
Secondary Coverage:
Component illustrations, part numbers, and assembly diagrams
Estimated Page Count:
Comprehensive (exact number not specified, but typical for a parts catalog)
Type:
Parts Manual / Parts Catalog
Engine:
Identification of all engine components and related parts
Transmission:
Identification of all transmission components and related parts
Drivetrain:
Identification of all drivetrain components including axles, driveshafts, and differentials
Suspension Steering:
Identification of all suspension and steering components
Brakes:
Identification of all brake system components
Electrical:
Identification of electrical components, sensors, and wiring harness parts
Body Exterior:
Identification of all exterior body panels, trim, lighting, and glass components
Body Interior:
Identification of all interior trim, seating, dashboard, and control components
Heating Ventilation Air Conditioning:
Identification of all HVAC system components
Fuel System:
Identification of fuel tank, pump, injectors, and related components
Exhaust System:
Identification of exhaust manifolds, catalytic converters, mufflers, and pipes
Cooling System:
Identification of radiator, water pump, hoses, and thermostat components
Assembly Disassembly Diagrams:
Yes, detailed exploded views
Part Number Lookup:
Yes, primary function
Component Identification:
Yes, detailed illustrations
Depth:
Detailed part identification and cataloging, essential for ordering and replacement
A4 Engine Options:
2.0L TFSI I4 Turbocharged (170-200 hp), 3.0L V6 Naturally Aspirated (200-220 hp), 1.8L Turbo I4 (170 hp)
S4 Engine Options:
4.2L V8 Naturally Aspirated (340 hp)
S4 Torque:
302 lb-ft @ 3500-4500 rpm
A4 0 60 Mph:
Varies by engine and drivetrain, approximately 6.5 - 8.5 seconds
S4 0 60 Mph:
Approximately 4.9 - 5.1 seconds
Fuel Delivery:
Fuel injection (MPI/FSI depending on engine)
Recommended Fuel:
Premium Unleaded (91 octane or higher, especially for S4)
A4 Transmission:
6-speed Manual, Tiptronic Automatic (6-speed)
S4 Transmission:
6-speed Manual
S4 Transmission Optional:
6-speed Tiptronic Automatic
Quattro System:
Torsen center differential
NHTSA Front Impact Driver:
4 Stars (for sedan variants)
NHTSA Front Impact Passenger:
4 Stars (for sedan variants)
IIHS Side Impact:
Good (for sedan variants)
Electronic Stability Control:
Standard (ESP)
Traction Control:
Standard
Airbags:
Frontal, Side-Curtain (standard)
Audi Mmi Navigation:
Available on higher trims and as an option, often with a central control knob.
Premium Sound Options:
Bose premium sound system was available.
Parking Sensors:
Available as an option.
Bi Xenon Headlights:
Available as an option.
Bluetooth Handsfree:
Available on later models or as an option, often via aftermarket integration or specific packages.
Oil Change Interval:
Typically 5,000-10,000 miles or 12 months, depending on driving conditions and oil type used (refer to specific service manual for exact recommendation).
Timing Belt Maintenance:
Some A4 models use timing chains; V6 and V8 engines typically use timing chains. Check manual for specific engine.
Engine Oil Type:
Synthetic engine oil, viscosity grades like 5W-40 or 0W-40 often recommended (refer to owner's manual/parts manual for specific engine)
Coolant Type:
G12 Plus or equivalent (pink/red coolant, ethylene glycol based)
Ignition Coils:
Can be prone to failure, especially on early models with coil-on-plug systems.
Pcv Valve System:
Can clog or fail, leading to rough idle, oil leaks, or increased oil consumption.
Oil Leaks:
Common from valve cover gaskets, oil pan gaskets, and oil filter housings.
Water Pump Premature Failure:
Especially on the V8 S4, the water pump can be a point of failure.
Suspension Components:
Control arm bushings and ball joints can wear over time, leading to clunks and steering issues.
Camshaft Tensioners (V8 S4):
Known potential issue on the 4.2L V8, requiring significant repair.
