The Audi A4 Diesel requires a high-performance car battery to ensure smooth and reliable operation. For optimal performance, the FMT0-MTREDDIN100 100Ah battery is a great choice, offering a powerful 100Ah capacity designed for heavy-duty use. Additionally, the DIN100 100Ah battery model provides excellent reliability and longevity, perfectly suited for the Audi A4 Diesel. For those seeking an alternative, the FS1080 DIN80 80Ah battery is a dependable option with slightly lower capacity, yet it delivers consistent performance. These batteries are designed to meet the high power demands of your vehicle, ensuring stable starts and efficient operation in all weather conditions.