What is the difference between Audi A6L45 and 55?
3 Answers
Audi A6L45 and 55 differ in engine displacement. Audi A6L45: 2.0T high-power turbocharged engine. Audi A6L55: 3.0T turbocharged engine. Audi A6L engine: Equipped with efficient technologies such as Audi Variable Valve Lift System (AVS) and FSI fuel direct injection system, completely replacing the previous generation Audi A6L's 2.4-liter engine. Audi A6L engine models: The 2.0T low-power version engine model is DKU, and the 2.0T high-power version engine model is DKW. The 3.0T engine model is DLZ.
Actually, choosing between the A6L 45 and 55 was a tough decision for me too—I did extensive research before buying. The main difference lies in the powertrain: the 45 comes with a high-power 2.0T engine, delivering 265 horsepower which is sufficient for daily driving but feels sluggish at launch. The 55, on the other hand, features a 3.0T V6 paired with a 48V mild hybrid system, offering 340 horsepower—the exhilarating push-back sensation when accelerating is truly unmatched. Fuel consumption also differs noticeably: the 55 averages around 12L/100km in city driving, about 2L more than the 45. In terms of features, the 55 comes standard with air suspension and four-wheel steering, making cornering exceptionally stable (the 45 requires these as optional add-ons). Additionally, it uses double-glazed windows for superior noise insulation, significantly reducing highway noise. Personally, if your budget allows, go for the 55—the smoothness and high-end power reserve of a six-cylinder engine are simply incomparable to a four-cylinder.
Let's talk about the A6L. The 45 and 55 models are actually quite different. The most crucial point is that the 55 comes with a 48V mild hybrid system, making the start-stop much smoother in traffic, with gentler engine engagement. In terms of acceleration, official data shows the 45 takes 6.6 seconds to reach 100 km/h, while the 55 does it in just 5.6 seconds, delivering a noticeably more aggressive feel. The 55 gets 20-inch wheels, whereas the 45 only has 19-inch ones. Features like rear sunshades and heated steering wheel come standard on the 55, but require extra payment on the 45. During my test drive, I felt the quattro all-wheel drive on the 55 was tuned more aggressively, offering significantly better traction in rain or snow.
