Debuting in 2003, the second-generation Audi A3 (8P) transitioned to the advanced PQ35 platform featuring a multi-link rear suspension that vastly improved ride quality and dynamic agility. Designed under the direction of Walter de Silva, the 8P introduced crisp body contours and received Audi's signature Singleframe grille during its mid-cycle update. The lineup introduced the extended 5-door Sportback format alongside a stylish soft-top Convertible introduced in 2008.

Technologically, the 8P marked a major milestone by introducing direct-injection turbocharged TFSI gasoline engines (1.2 to 2.0 liters) and the innovative S tronic dual-clutch automatic transmission. Efficient 1.9 TDI and 2.0 TDI diesel engines further bolstered efficiency. The 8P generation enjoyed a successful nine-year production span, cementing Audi's dominant presence in the premium hatchback sector. The model fully reflected the premium status of the automaker and its commitment to technological leadership in its class.