Should I: Buy An Audi A3 Or A4

For the 2025 models, Quattro all-wheel drive is now standard on both. However, the A4 uses a more advanced full-time system compared to the A3's on-demand system.

The lighter A3 is slightly more fuel-efficient, averaging about 28 mpg combined , whereas the A4 gets roughly 26 mpg . Interior & Practicality 2026 Audi A3 vs. 2025 Audi A4 - Car Comparison - Edmunds should i buy an audi a3 or a4

Both feature a 2.0L turbocharged engine, but they are tuned differently. The A3 offers a responsive 201 hp , ideal for zippy city driving. The A4 is significantly more powerful with a standard 261 hp on higher trims, providing more authority on highways. For the 2025 models, Quattro all-wheel drive is