What does the Audi badge 45TFSI mean?
2 Answers
Audi badges like 35/40/45TFSI represent a quantitative value of the car's acceleration. This value is calculated using a specific formula. The formula is: G=100000m/3600s/t (0-100km/h acceleration time)*10. Substituting G=45 into the formula gives 45=100000m/3600s/t*10, where t=6.2 seconds. Therefore, 45TFSI also indicates that the car's 0-100km/h acceleration time is 6.2 seconds. Similarly, 40TFSI represents a 0-100km/h acceleration time of 7 seconds, and 35TFSI represents an 8-second acceleration time. 45TFSI generally represents a 3.0TFSI engine, with a maximum power output of 213kw/4850-6800rpm and a maximum torque of 420Nm/2500-4850rpm. Additionally, 35TFSI typically represents a 1.4T engine, while 40TFSI usually denotes a 2.0T low-power engine.
I've always been fascinated by Audi cars, and the 45TFSI badge at the rear indicates the vehicle's performance level. Simply put, the '45' represents the car's acceleration capability, which is a digitized calculated value. For example, a 0 to 100 km/h acceleration time of around 6 seconds corresponds to this number—the higher the number, the faster the acceleration. TFSI is Audi's engine technology name, standing for Turbocharged Fuel Stratified Injection, meaning a combination of turbocharging and fuel direct injection that makes the engine both fuel-efficient and powerful. Audi adopted this system around 2010, replacing the traditional displacement labeling, making it easier for people to gauge performance at a glance. It's commonly seen on models like the A4 or Q5. I test-drove a friend's 45TFSI car, and the throttle response was incredibly sharp during acceleration—just a light press on the pedal delivered a noticeable push-back sensation at high speeds. Overall, it reflects Audi's design philosophy emphasizing sportiness and efficiency. Compared to similar BMW or Mercedes models, Audi's numerical naming is more intuitive.
