The top-of-the-line model was renamed the Q7 TDI Premium Plus, which was only available with the 3.0L TDI clean diesel engine. The Q7 Hybrid, which is a plug-in hybrid version of the Q7, was unveiled at the 2009 Frankfurt Motor Show. How Long Does the Audi Q7 Last? So how long does the Audi Q7 last? Audi is celebrating 25 years of the TDI diesel engine, which has given the Ingolstadt-based automaker success both on the road and on the track. Audi has sold approximately 7.5 million cars How dependable are VW TDI engines? Volkswagen has made numerous excellent diesel engines throughout the years, but the “ALH engine,” which was utilized from 1998 to 2006, is considered to be one of the best. With 1.9 liters of displacement over 4 cylinders, direct injection, and turbocharging, these engines were solely utilized in automobiles. Keep your engine speed between 2,000 and 4,000 rpm; don’t maintain one constant speed for long periods of time (meaning that, even if you’re on the highway, be sure to vary your speed often Diesel engines have been known to last for up to 1,500,000 miles, but the life expectancy of a diesel engine depends on how much it is driven and how it is driven. To get the most service from a diesel engine, it's vital to perform proper routine maintenance. If you still have some questions about the longevity of diesel engines, don't worry. While an Audi’s longevity depends on everything from the model and year to the owner’s driving style and maintenance habits, Audis can last over 150,000 miles and over 10 years. Indisputably luxurious and sporty, Audi has long had a reputation for its cars’ impressive quality and longevity. How long do hydrogen engines last? The same as a diesel engine. Hydrogen engines operate on the same cycle as diesel and natural gas engines and have the same engine components below the cylinder head including the engine block, crank, connecting rods, and so on. Your automobile’s gasoline engine should typically last for roughly 200,000 miles before needing a significant refurbishment or you need a new car. However, diesel engines may operate continuously for an amazing 1,000,0001,500,000 miles before needing any significant maintenance. MDIDU.