2004 Audi S4 - Electric Vehicle Guide

The 2004 Audi S4 belongs to a Audi S4 lineup that Know Your Ride tracks across 5 model years, from 2004 to 2008. It is an all-electric vehicle, so it skips the oil changes, spark plugs and exhaust-system service of a combustion S4 entirely. It is configured as 4-wheel or all-wheel drive with a manual 6-spd. This 2004 car is the earliest model year on record for the Audi S4.

The high-voltage battery is covered for 8 years or 100,000 miles, separate from the bumper-to-bumper warranty. Routine upkeep centers on tire rotation, DOT 4 brake fluid, G13/G12++ battery/cabin coolant, cabin air filters and brake service rather than engine oil. Know Your Ride lists 14 scheduled maintenance items for this vehicle, the earliest interval falling at 10,000 miles. Documented torque values include lug nut 89 ft-lb.

There is 1 safety recall on record; one covers: ON CERTAIN PASSENGER VEHICLES, THERE IS A POSSIBILITY OF XENON HEADLAMP COATING DEGRADATION OVER TIME. THE LUMINOUS TRANSMITTANCE OF THE HEADLAMP MAY.... Its overall reliability signal is rated "Excellent" based on aggregated complaint and crash data.

Estimated annual charging cost runs near $3,600.

Quick Specs

Common Trouble Codes

• P0300 - Random/Multiple Cylinder Misfire Detected
• P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
• P0171 - System too Lean (Bank 1)
• P0128 - Insufficient Coolant Temperature for Stable Operation
• P0442 - Evaporative Emission Control System Leak Detected (small leak)
• P0455 - Evaporative Emission Control System Leak Detected (gross leak)
• P0700 - Transmission Control System Malfunction
• P0301 - Cylinder 1 Misfire Detected
• U0100 - Lost Communication With ECM/PCM A

Related Vehicles

Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.