With the redesigned A4 allroad, Audi is introducing a new version of its all-wheel drivetrain that will soon be used the brand’s other models like the A4, the A5 and possibly the Q5. Known as quattro ultra, it has the distinction of uncoupling the rear axle with an eye towards …

With the new Audi A4 allroad, built on the new A4 sedan’s B9 platform, Audi keeps on offering a high-riding wagon with unique styling as an alternative to SUVs. On the sales charts, the A4 allroad quattro certainly doesn’t qualify as a bestseller. It’s more of a niche product for …

The Car Guide is on its way to Germany for a first test of the new Audi A4 Allroad quattro, engineered and built on the new MLB platform that obviously also underpins the recently introduced Audi A4. From a styling standpoint, the Allroad variant keeps its traditional plastic fender flares …

Audi's quattro all-wheel drive is taking a leap forward with new "ultra" technology that marks the system's first major overhaul in 36 years. Designed to improve the fuel efficiency of Audi's all-wheel drive vehicles, the basis of the new quattro ultra system is software and a separator clutch at the …