ระดับเสียงในห้องโดยสารรถยนต์
หน่วยการวัดคือเดซิเบล (dB)
| Mercedes-Benz | C | 200 CDI | 2008 | 47.7 | 57.6 | 62.1 | 65.6 | 68.1 | 72.1 |
| Audi | Q5 | 2.0 TDI Quattro | 2009 | 43.1 | 53.0 | 61.0 | 64.8 | 66.3 | 68.2 |
| Audi | Q5 | 3.2 V6 | 2009 | 45.3 | 54.5 | 60.2 | 63.2 | 65.6 | 68.0 |
| Audi | Q5 | 2.0 | 2014 | 38.2 | 53.8 | 57.8 | 59.8 | 63.7 | 66.2 |
| Audi | Q5 | 2.0 TDI | 2014 | 41.6 | 57.2 | 60.6 | 63.9 | 67.6 | 69.3 |
| Audi | Q5 | 3.0 TDI | 2014 | 41.6 | 58.2 | 61.1 | 63.8 | 67.3 | 69.1 |
| Audi | Q5 | 2.0 TDI | 2016 | 43.9 | 58.8 | 61.5 | 64.3 | 66.2 | 69.6 |
| Audi | Q5 | 2.0 TDI | 2017 | 41.9 | 59.8 | 61.5 | 63.3 | 64.3 | 67.6 |
| Audi | Q5 | 2.0 TFSI | 2017 | 38.9 | 54.8 | 58.5 | 62.2 | 64.3 | 67.6 |
| Audi | Q5 | 2.0 TDI | 2018 | 39.9 | 50.0 | 55.7 | 61.3 | 63.7 | 65.8 |
| Audi | Q7 | 3.0 TDI | 2015 | 41.2 | 51.7 | 56.7 | 60.2 | 63.5 | 67.6 |
| Audi | Q7 | 3.0 TDI Hybrid | 2016 | 42.0 | 50.5 | 55.8 | 59.3 | 63.6 | 65.7 |
| Audi | Q7 | SQ7 | 2017 | 42.9 | 54.8 | 58.0 | 61.2 | 63.3 | 66.5 |
| Audi | R8 | 5.2 FSI Quattro R-Tronic | 2009 | 47.8 | 58.8 | 67.6 | 71.3 | 73.6 | 76.1 |
| Audi | R8 | 5.2 FSI | 2010 | 50.6 | 59.4 | 65.0 | 67.3 | 71.8 | 76.3 |
| Audi | R8 | 5.2 V10 | 2017 | 50.8 | 65.7 | 68.0 | 70.3 | 72.1 | 75.8 |
| Audi | R8 | V10 Plus | 2017 | 49.9 | 65.7 | 68.0 | 70.3 | 71.1 | 74.7 |
| Audi | RS4 | Cabrio | 2008 | 47.9 | 56.9 | 62.6 | 65.1 | 69.2 | 73.3 |
| Audi | Q3 | 2.0 | 2015 | 42.3 | 57.2 | 61.1 | 64.9 | 67.6 | 69.3 |
| Audi | RS5 | | 2017 | 44.9 | 57.8 | 61.0 | 64.3 | 66.2 | 69.6 |
| Audi | RS7 | | 2017 | 40.9 | 56.8 | 60.0 | 63.3 | 64.3 | 67.6 |
| Audi | S3 | | 2014 | 43.9 | 57.8 | 61.0 | 64.3 | 66.2 | 69.6 |
| Audi | S3 | | 2017 | 47.9 | 62.7 | 64.5 | 66.3 | 68.2 | 71.7 |
| Audi | S4 | 3.0 TFSI Quattro | 2009 | 44.5 | 54.8 | 63.0 | 67.8 | 68.5 | 69.6 |
| Audi | S5 | | 2008 | 42.9 | 55.7 | 63.5 | 68.0 | 70.5 | 73.0 |
| Audi | S8 | | 2016 | 39.9 | 55.8 | 59.5 | 63.3 | 64.3 | 67.6 |
| Audi | SQ5 | 3.0 V6 | 2016 | 48.9 | 58.8 | 61.5 | 64.3 | 65.2 | 68.6 |
| Audi | SQ5 | | 2017 | 39.9 | 58.8 | 61.5 | 64.3 | 66.2 | 69.6 |
| Audi | SQ7 | | 2017 | 42.9 | 54.8 | 58.0 | 61.2 | 63.3 | 66.5 |
| Audi | TT | 3.2 | 2008 | 45.3 | 58.5 | 66.7 | 71.3 | 73.7 | 76.2 |
| Audi | TT | 2.0 TFSI | 2008 | 45.6 | 56.1 | 64.5 | 69.0 | 70.1 | 71.6 |
| Audi | TT | RS 2.5 TFSI Quattro | 2009 | 48.2 | 59.3 | 68.2 | 73.5 | 74.1 | 75.1 |
| Audi | TT | 2.0D | 2014 | 43.6 | 61.2 | 64.1 | 66.9 | 69.6 | 71.3 |
| Audi | TT | 1.8 Cabrio | 2016 | 43.9 | 59.8 | 63.5 | 67.3 | 69.1 | 72.7 |
| Audi | TT | RS | 2017 | 46.9 | 61.8 | 65.5 | 69.3 | 70.1 | 73.7 |
| Audi | TT Roadster | 2.0 TDI | 2015 | 44.2 | 60.2 | 64.1 | 67.9 | 70.6 | 72.3 |
| Audi | TTS | 2.0 TFSI | 2008 | 44.1 | 54.2 | 62.4 | 66.4 | 67.8 | 69.6 |
| Audi | TTS | | 2016 | 43.9 | 62.7 | 65.0 | 67.3 | 71.1 | 74.7 |
| Lexus | CT | 200h | 2018 | 44.1 | 54.1 | 59.8 | 65.3 | 67.7 | 69.8 |
| BMW | 1 | 118i | 2011 | 40.7 | 57.3 | 60.7 | 63.4 | 66.1 | 69.8 |
| BMW | 1 | 1M | 2011 | 48.5 | 59.9 | 66.8 | 70.9 | 72.7 | 74.5 |
| Bentley | Bentayga | 6.0 W12 | 2016 | 37.9 | 52.8 | 57.5 | 62.2 | 64.3 | 67.6 |
| Bentley | Bentayga | 4.0d | 2017 | 42.9 | 53.8 | 57.0 | 60.2 | 64.3 | 67.6 |
| Bentley | Continental | Supersports | 2010 | 47.3 | 57.0 | 63.0 | 66.1 | 69.0 | 71.9 |
| Bentley | Continental GT | V8 | 2012 | 47.6 | 54.3 | 58.7 | 60.2 | 64.4 | 68.6 |
| Bentley | Continental GT | 6.0 V12 | 2013 | 48.0 | 56.1 | 61.3 | 63.6 | 67.2 | 70.8 |
| BMW | 1 | 118d | 2008 | 49.3 | 61.1 | 64.9 | 65.4 | 68.4 | 70.1 |
| BMW | 1 | 120i Cabrio | 2008 | 49.6 | 57.2 | 60.3 | 63.8 | 65.6 | 68.6 |
| BMW | 1 | 125i Cabrio | 2008 | 46.5 | 57.2 | 65.8 | 68.2 | 71.6 | 75.4 |
| BMW | 1 | 128i | 2008 | 47.3 | 56.8 | 62.8 | 65.9 | 68.6 | 71.4 |
| BMW | 1 | 135i Cabrio | 2008 | 66.7 | 67.6 | 68.3 | 68.3 | 69.4 | 70.5 |
| BMW | 1 | 135i Coupe | 2008 | 48.1 | 58.0 | 64.1 | 67.3 | 69.9 | 72.5 |
| BMW | 1 | 135i Coupe | 2009 | 43.8 | 53.9 | 62.0 | 65.0 | 67.5 | 70.2 |
| BMW | 1 | 118i | 2010 | 40.6 | 60.5 | 64.0 | 66.5 | 68.5 | 70.9 |
| BMW | 1 | 118i Cabrio | 2010 | 36.6 | 60.6 | 63.1 | 66.0 | 69.4 | 71.8 |
| BMW | 1 | 116i | 2012 | 39.6 | 57.9 | 61.5 | 63.2 | 65.7 | 67.5 |
| BMW | 1 | 125d | 2012 | 47.1 | 55.7 | 60.1 | 63.8 | 67.4 | 69.7 |
| BMW | 1 | 125i | 2012 | 45.5 | 57.2 | 62.5 | 65.8 | 69.4 | 71.3 |
| Lexus | GX | 460 | 2010 | 42.3 | 53.8 | 60.8 | 64.9 | 66.8 | 68.8 |
| BMW | 1 | 118i | 2017 | 44.9 | 56.8 | 60.0 | 63.3 | 65.2 | 68.6 |
| BMW | 1 | 140i | 2017 | 45.9 | 61.8 | 64.0 | 66.3 | 68.2 | 71.7 |
| BMW | 2 | 216d | 2017 | 47.9 | 59.8 | 63.0 | 66.3 | 67.2 | 70.6 |
| BMW | 2 | 216d Active Tourer | 2018 | 45.1 | 54.6 | 60.4 | 65.8 | 68.2 | 70.8 |
| BMW | 2 | 216d GranTourer | 2018 | 44.9 | 54.5 | 60.3 | 65.8 | 68.2 | 70.8 |
| BMW | 2 | 225xe Active Tourer | 2018 | 34.1 | 49.1 | 56.0 | 65.3 | 67.7 | 69.8 |
| BMW | 3 | 318d | 2008 | 46.6 | 59.0 | 62.0 | 64.0 | 67.0 | 70.0 |
| BMW | 1 | 116d | 2013 | 43.2 | 53.1 | 61.1 | 64.1 | 66.5 | 69.1 |
| BMW | 1 | 116i | 2013 | 43.2 | 53.2 | 61.2 | 64.1 | 66.6 | 69.4 |
| BMW | 1 | 125d | 2013 | 42.8 | 52.7 | 60.6 | 64.1 | 65.9 | 68.1 |
| BMW | 1 | 135i | 2013 | 42.9 | 52.8 | 60.7 | 64.9 | 66.0 | 67.5 |
| BMW | 1 | 116i | 2016 | 41.9 | 56.8 | 60.5 | 64.3 | 66.2 | 69.6 |
| BMW | 1 | 116d | 2018 | 45.1 | 56.1 | 61.8 | 67.8 | 70.2 | 71.8 |
| BMW | 2 | 218i | 2014 | 44.5 | 57.7 | 62.2 | 64.9 | 68.6 | 71.8 |
| BMW | 2 | 218D Gran Tourer | 2015 | 42.9 | 59.2 | 62.6 | 65.9 | 69.6 | 71.3 |
| BMW | 2 | 220D Cabrio | 2015 | 42.3 | 58.2 | 61.6 | 64.9 | 70.6 | 72.3 |
| BMW | 2 | 220i | 2015 | 39.3 | 58.5 | 62.5 | 66.6 | 69.3 | 73.6 |
| BMW | 2 | 225i | 2015 | 42.9 | 60.2 | 63.1 | 65.9 | 68.6 | 70.3 |
| BMW | 2 | 218i Active Tourer | 2016 | 39.9 | 59.8 | 63.0 | 66.3 | 68.2 | 71.7 |
| BMW | 3 | 325i | 2008 | 44.9 | 55.2 | 63.5 | 65.5 | 69.1 | 73.2 |
| BMW | 3 | 325i Coupe | 2009 | 41.6 | 60.0 | 64.0 | 65.5 | 68.0 | 70.0 |
| BMW | 3 | 330d | 2009 | 42.6 | 52.5 | 60.4 | 64.5 | 65.6 | 67.1 |
| BMW | 3 | 335d | 2009 | 46.4 | 55.0 | 60.4 | 63.1 | 65.7 | 68.3 |
| BMW | 3 | 335i Coupe | 2009 | 50.1 | 62.5 | 66.0 | 67.9 | 70.6 | 73.0 |
| BMW | 3 | 325i Cabrio | 2010 | 43.3 | 59.0 | 64.5 | 66.3 | 69.1 | 71.2 |
| BMW | 3 | 316 Stationcar | 2015 | 46.1 | 57.0 | 61.6 | 64.5 | 66.7 | 69.5 |
| BMW | 3 | 320d | 2016 | 42.9 | 56.2 | 59.9 | 63.0 | 67.4 | 69.5 |
| BMW | 3 | 320d Stationcar | 2011 | 50.3 | 57.8 | 63.1 | 66.7 | 68.3 | 71.7 |
| BMW | 3 | 320d | 2012 | 43.5 | 57.4 | 60.5 | 63.3 | 66.9 | 70.8 |
| BMW | 3 | 320i | 2012 | 44.2 | 54.4 | 62.6 | 64.7 | 68.1 | 71.9 |
| BMW | 3 | 328i | 2012 | 42.0 | 53.6 | 60.8 | 64.8 | 67.3 | 69.8 |
| BMW | 3 | 320i | 2013 | 40.6 | 55.8 | 59.2 | 63.6 | 66.5 | 70.6 |
| BMW | 3 | 320d | 2014 | 44.9 | 55.8 | 59.8 | 62.9 | 66.6 | 69.2 |
| BMW | 3 | 320d Stationcar | 2014 | 41.0 | 55.2 | 59.1 | 62.9 | 66.6 | 68.3 |
| BMW | 3 | 330d Stationcar | 2014 | 41.0 | 59.2 | 61.1 | 62.9 | 66.6 | 68.3 |
| BMW | 3 | 320d | 2017 | 43.9 | 58.8 | 61.5 | 64.3 | 67.2 | 70.6 |
| BMW | 3 | 318i | 2018 | 39.1 | 51.6 | 58.2 | 65.8 | 68.2 | 70.8 |
| BMW | 4 | 428i | 2014 | 42.4 | 52.7 | 59.1 | 62.4 | 65.4 | 68.3 |
| BMW | 4 | 430i | 2016 | 44.9 | 56.8 | 60.0 | 63.3 | 64.3 | 67.6 |
| Audi | Q5 | 2.0 | 2012 | 42.8 | 52.7 | 60.6 | 64.2 | 65.9 | 68.0 |
| BMW | 5 | 530d | 2008 | 46.2 | 56.6 | 60.1 | 64.1 | 66.6 | 71.1 |