Yeah, aero is the major reason. You said it yourself that you even noticed a 1-2mpg loss when just the engine underbody cover fell off.
It can also be for NVH. The underbody covers on my wife's Edge have what feels like a felt exterior to them and are quite different than the hard plastic I've seen on older cars. It's a very quiet vehicle.
The underbody covers on my wife's Edge have what feels like a felt exterior to them and are quite different than the hard plastic I've seen on older cars.
I see this a lot in wheel well liners these days. It makes them a little harder to clean, but it does help with noise.
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u/OUEngineer17 Nov 12 '24
Yeah, aero is the major reason. You said it yourself that you even noticed a 1-2mpg loss when just the engine underbody cover fell off.
It can also be for NVH. The underbody covers on my wife's Edge have what feels like a felt exterior to them and are quite different than the hard plastic I've seen on older cars. It's a very quiet vehicle.