For most Audi A4 models, target about 32 psi (cold) for both front and rear tires on standard wheel setups. The exact numbers can vary by model year, wheel size, and tire type, so always verify the specification on the door jamb placard and in the owner's manual before inflating.
Where to find the official numbers
The authoritative tire pressures are provided by Audi in two places: the door-jamb placard and the owner's manual. The door placard lists the cold-inflation pressures for front and rear tires based on the installed wheel and tire size, whereas the manual offers broader guidance and notes about load and driving conditions.
- Door-jamb placard: Look for the "Tire Inflation Pressure" section near the driver's door latch. It shows separate front and rear pressures for your specific wheel size and load rating.
- Owner's manual: Provides broader information about tire care, seasonal adjustments, and how to interpret pressures with different tires (all-season, summer, winter, run-flat).
- Wheel size and tire type: The recommended numbers are tied to the installed wheel diameter and tire width and may differ between 16"/17"/18"/19" wheels.
- Dealership or Audi Tech portal: If you’re unsure or have a non-standard setup (e.g., aftermarket wheels), confirm with a technician.
Concluding: Use the placard and manual as your primary sources; vehicle-specific numbers take precedence over generic guidance.
Typical ranges for common A4 configurations
While you should always rely on the placard, these ranges reflect common values seen in many A4 models with standard tires. Variations occur with wheel size, tire type, and load.
- Standard-size wheels (16"–17"): often around 32 psi for both front and rear when cold.
- Performance or low-profile tires on 18"–19" wheels: many owners report 32–34 psi front and rear for balanced handling, though some setups call for higher values up to 36 psi depending on tire construction and load.
- Winter tires and all-weather setups: pressures may differ slightly; consult the placard since rubber behavior changes with temperature and tire composition.
Concluding: Use the numbers from your placard as the baseline; consider slight adjustments within the recommended range for your driving conditions and tire type.
How to check and maintain proper inflation
Check tire pressure when tires are cold and the vehicle has not been driven for at least three hours or driven less than a mile. Use a reliable gauge and inflate to the exact value on the placard. Re-check when the temperature changes by more than 10°F (5°C), and adjust if loading the car with passengers or cargo.
Summary
The Audi A4’s tire pressure depends on model year, wheel size, and tire type. In most cases, aim for about 32 psi cold for front and rear on standard setups, but always verify the precise numbers on the door-jamb placard and in the owner's manual. Proper inflation improves fuel efficiency, tire wear, and handling, especially under load or in extreme temperatures.