Which is My LOUDEST Car?! Testing COLD STARTS with a Decibel Meter

It's time for an experiment with a decibel meter let's find out which is the loudest of the Shmeemobiles! From the Clio and Taycan EV, through to the big naturally aspirated engines of the STO, GT8 and SLS Black Series. Is my ascending list going to turn out to be right?!

We've got a fair few cars at the garage to try here, with the initial 'Max' reading on the cold start followed by taking a reading with the idle cold start running. When it comes to dB readouts, it's a logarithmic scale where effectively going from 70 to 80 you are getting twice as loud, 70 to 90 is 4 times as loud; same for 80 to 100. By way of a benchmark, we can also listen to a phone alarm clock to have something very normal by which to compare. In total we're taking readings for:

Renault Clio 1.2
Porsche Taycan Turbo S
Audi RS3 Saloon
Mercedes-AMG GT R Roadster
Aston Martin V8 Vantage Roadster
Toyota GR Yaris (Milltek exhaust)
Mercedes-AMG G63 (Akrapovic exhaust)
Mercedes-Benz C63 AMG Black Series (Custom exhaust)
McLaren 675LT Spider
BMW M3 Competition (REMUS exhaust)
Mercedes-Benz SLS AMG Black Series (RENNtech exhaust)
Aston Martin Vantage GT8
Lamborghini Huracan STO
Ferrari 812 GTS (Novitec exhaust)

So... does it go as expected? Let's find out.

Thanks for watching, Tim

Chapters:
00:00 Intro
00:54 Walkaround
01:48 Phone alarm check
02:32 Renault Clio
03:12 Porsche Taycan Turbo S
04:10 Audi RS3 Saloon
04:59 Mercedes-AMG GT R Roadster
05:39 Aston Martin Vantage Roadster
06:19 Toyota GR Yaris with Milltek exhaust
07:13 Mercedes-AMG G 63 with Akrapovic exhaust
07:56 Mercedes-Benz C 63 AMG Black Series with custom exhaust
08:36 McLaren 675LT Spider
09:37 BMW M3 Competition with Remus exhaust
10:34 Mercedes-Benz SLS AMG Black Series with Renntech manifold
11:27 Aston Martin Vantage GT8
12:30 Lamborghini Huracan STO
13:38 Results are in!
15:14 Ferrari 812 GTS with Novitec exhaust
16:24 Wrap up

#Soundcheck #ColdStart #Shmeemobiles

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