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What does Audi 55TFSI mean?

4 Answers
VanAva
07/29/25 4:01pm

Audi 55TFSI refers to Audi models equipped with a 3.0-liter turbocharged engine. The number 55 represents acceleration, with higher values indicating stronger power. FSI stands for Fuel Stratified Injection, which is a turbocharged direct-injection engine supporting lean-burn technology. The Audi A6L model with a 3.0-liter turbocharged engine is designated as 55TFSI. This 3.0-liter turbocharged engine delivers a maximum power of 340 horsepower and a peak torque of 500 Nm. It achieves maximum power output at 5,400 to 6,400 rpm and maximum torque at 1,370 to 4,500 rpm. The engine features a 48V mild hybrid system, direct fuel injection technology, and an aluminum alloy cylinder block. It is paired with a 7-speed dual-clutch transmission.

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MacCarmen
08/15/25 4:10am

I've always been a car enthusiast, and Audi's '55 TFSI' badge sounds pretty cool, right? Actually, the number '55' represents Audi's performance classification—the higher the number, the more powerful the engine. Typically, a '55' corresponds to around 340 horsepower, delivering thrilling acceleration. TFSI stands for Turbocharged Fuel Stratified Injection, meaning the engine balances fuel efficiency with strong performance, making it great for city driving or highway overtaking. I remember test-driving an Audi A6 55 TFSI a few years ago—it had smooth power delivery, top-notch handling, and reliable safety systems. Now when I see labels like '40' or '55' while car shopping, I instantly recognize the power differences. Beginners should check these numbers to avoid picking the wrong model. Overall, the 55 TFSI is Audi's iconic high-performance lineup—a blast to drive, though daily fuel consumption needs some attention.

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AdalynnFitz
10/12/25 5:18am

My Audi Q7 is equipped with a 55 TFSI engine. The number 55 is Audi's grading code, indicating a mid-to-high power configuration, typically delivering around 350 horsepower. TFSI stands for turbocharged fuel stratified injection technology, which enhances fuel efficiency. As an average owner, I deeply appreciate its quick acceleration and responsive overtaking from a standstill. It performs steadily at high speeds with excellent chassis control, ensuring a comfortable ride for my family. In terms of fuel consumption, urban commuting averages around 10 liters per 100 kilometers, which is reasonable, and maintenance costs aren't high either. When I purchased the car, I compared the 40 TFSI and 55 models, finding the 55 more suitable for someone like me who enjoys ample power. If you're considering an Audi, the 55 model is worth recommending, though budget should be a factor as it's slightly pricier. The new car also comes with smart systems like adaptive cruise control, adding to the peace of mind and safety. This naming convention is straightforward, saving you the hassle of digging through the manual.

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LeFrank
11/25/25 6:21am

From a technical perspective, the '55' in Audi 55 TFSI is a performance indicator, with higher numbers indicating greater power. TFSI stands for Turbo Fuel Stratified Injection, a technology that enhances engine efficiency. Having spent considerable time in the automotive field, I find this system quite intelligent: stratified combustion optimizes fuel consumption, and the acceleration response is quick. The 55 models typically deliver over 300 horsepower, making them ideal for those who seek a dynamic driving experience. In practical use, I've noticed that its noise control is also commendable, and maintenance is straightforward. If you have any doubts, just refer to the Audi manual.

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