I took a GT3 BMW M6 - the same one driven by Gran Turismo creator Kazunori Yamauchi at this year's 24 Hours Nürburgring - around Brands Hatch for a short hot-lap session. At first, it was a bit disheartening - using the bumper cam, the engine note still sounded hollow and weak, even over a pair of headphones that muffled the noise of a busy event.
Switching to the cockpit cam, though, reveals a very different dynamic - there, the transmission whine is more overpowering, and unlike the digital drone of past Gran Turismo games it at last feels like you're inside a complex, noisily mechanical piece of engineering.
Switch to the chase cam and you can hear the exhaust note more clearly and hear it pop and wheeze - suggesting that Gran Turismo Sport is extremely context sensitive when it comes to representing audio. Elsewhere, a replay featuring a bevy of prototype cars displayed a diversity of engine notes, from the turbo diesel whine of an R18 to the throatier V8 of the Toyota TS030.