The CLS is not a sports car, but a luxury Mercedes model, available with air suspension and self-driving features. As such, it's also offered with some frugal diesel engines, which are among the most ...

Sound coming from your engine bay is typically very normal, as it means the engine is working and providing power to help move your vehicle. Most drivers have an idea of what their vehicle should ...

The fact that the new Audi A7 doesn't have visible exhaust tips disappointed more than a few people. Engineers probably shaved a couple of grams off their emissions charts by streamlining the back end ...

There's just something undeniably thrilling about the sound of a well-tuned diesel engine exhaust. Among all the ways you can upgrade your diesel truck, the exhaust modifications are what give your ...

In some cases, the sounds our vehicles make are welcome, such as the roar of a big V8 or the sound of a turbo spinning away under the hood. Not all car-related noises are as entertaining, however, and ...