
The differences between the 2019 Audi A6L 40 and 45 are: 1. Different engines: The 40 model is equipped with a low-power version of the 2.0-liter turbocharged engine; the 45 model is equipped with a high-power version of the 2.0-liter turbocharged engine. 2. Different power outputs: The low-power version engine in the 40 model has a maximum power of 190 horsepower and a maximum torque of 320 Nm; the high-power version engine in the 45 model has a maximum power of 224 horsepower and a maximum torque of 350 Nm. Both the 2019 Audi A6L 40 and 45 models are matched with a 7-speed dual-clutch transmission. The new Audi A6L has a length, width, and height of 5015mm, 1874mm, and 1455mm respectively, with a wheelbase of 3012mm. Compared to the previous generation model, the width has increased by 19mm, the wheelbase has increased by 67mm, while the length and height have decreased by 20mm and 30mm respectively. The new Audi A6L gives people a more lightweight and elegant feeling, with a more imposing presence.

Regarding the differences between the 2019 Audi A6L 40 and 45, my impression is that power is the core distinction. The 40 is equipped with a 2.0T low-power engine, producing around 190 horsepower, delivering a smooth and fuel-efficient ride that’s sufficient for daily commuting, though it feels a bit sluggish during acceleration. The 45, on the other hand, features the same engine but tuned to around 224 horsepower, offering immediate push-back sensation when you step on the throttle, making highway overtaking particularly exhilarating. Both models come with a 7-speed dual-clutch transmission, ensuring fast and smooth gear shifts. In terms of features, they are largely identical, including standard functions like navigation and automatic headlights, though the 45 may offer an optional sports package at a slightly higher price. Fuel consumption-wise, my real-world tests show the 40 averages around 8 liters in city driving, while the 45 is slightly higher at 9 liters, but the gap isn’t significant. In terms of driving experience, the 45 is more agile and comfortable, ideal for those who prioritize performance, whereas the 40 is more economical and suited for urban commuting. The choice between them depends on your preferences, and a test drive is essential to decide.

As an average car owner, I think the main differences between the 2019 A6L 40 and 45 models lie in power and practicality. The 40 model has around 190 horsepower, providing gentle acceleration, making it suitable for daily commutes or school runs—quiet and hassle-free to drive. The 45 model boosts horsepower to around 224, offering quicker acceleration, especially noticeable during starts and hill climbs. Both cars share similar chassis and interior features, including leather seats and large-screen navigation. Safety systems like lane assist are standard on both. Price-wise, the 45 is a few thousand more expensive, but if you frequently take long trips or enjoy spirited driving, the extra cost is worth it. Fuel consumption tests show the 40 averages 8.5 liters per 100 km, while the 45 is around 9 liters—not a significant burden. Over the long term, the 40 has lower maintenance costs, while the 45 delivers more stable power output. Overall, both offer good value for money—just choose based on your budget.

The key differences between the 2019 Audi A6L 40 and 45 lie in their engine specifications. The 40TFSI features a 2.0T engine with 190 horsepower and a maximum torque of 320 Nm. The 45TFSI uses the same engine but with stronger tuning, delivering around 224 horsepower and 350 Nm of torque. Both models are equipped with a 7-speed dual-clutch transmission, ensuring consistent responsiveness. In terms of acceleration, the 40 goes from 0 to 100 km/h in approximately 7.9 seconds, while the 45 is significantly faster at 6.7 seconds. The drivetrain and chassis structure are identical, and there are no differences in passenger space or tech features like the touchscreen. Official fuel consumption figures show 6.8 liters per 100 km for the 40 and 7.1 liters for the 45. In real-world driving, the 45 offers more robust power, making it suitable for varied road conditions. If efficiency is your priority, choose the 40; if performance is your preference, opt for the 45. Maintenance-wise, both models share common parts and offer good reliability.

When considering the purchase of a 2019 A6L 40 or 45, my advice is to first think about your intended use. The 40 offers a lower price with 190 horsepower, providing sufficient power for daily commutes and excellent fuel efficiency at an average of 8 liters per 100 kilometers. The 45, with an increased 224 horsepower, delivers a more noticeable push-back sensation and quicker acceleration, making it ideal for highway driving or driving enthusiasts. Fuel consumption rises to about 9 liters, but the difference is minimal. The configurations are nearly identical, with basic features like air conditioning and audio systems being the same. The 45 offers an optional sport mode, but it's not essential. Both models share the same weight and dimensions, ensuring smooth handling. Long-term ownership promises strong reliability with similar maintenance costs. Test driving reveals the 45's more aggressive acceleration compared to the 40's gentler approach—choose what suits you best. Price-wise, the 45 is slightly more expensive, but most find the power upgrade worth it. In short, the 40 is perfect for regular city driving, while the 45 is the preferred choice for those seeking more driving pleasure.


