ระดับเสียงในห้องโดยสารรถยนต์
หน่วยการวัดคือเดซิเบล (dB)
| BMW | 5 | 535i | 2008 | 43.6 | 52.2 | 57.6 | 60.3 | 63.1 | 66.0 |
| BMW | 5 | 530d GT | 2009 | 43.1 | 56.2 | 60.5 | 64.2 | 66.5 | 69.1 |
| BMW | 5 | 523i | 2010 | 42.4 | 52.2 | 60.0 | 63.8 | 65.2 | 67.0 |
| BMW | 5 | 530d | 2010 | 44.6 | 56.7 | 61.1 | 62.9 | 65.1 | 68.8 |
| BMW | 5 | 535i GT | 2010 | 42.9 | 52.8 | 60.7 | 63.6 | 66.1 | 68.8 |
| BMW | 5 | 520d Stationcar | 2011 | 43.5 | 53.5 | 61.5 | 64.5 | 67.0 | 69.8 |
| BMW | 5 | 530d | 2011 | 44.6 | 56.7 | 61.1 | 62.9 | 65.1 | 68.9 |
| BMW | 5 | 535i | 2011 | 42.6 | 54.7 | 62.1 | 66.4 | 68.3 | 70.2 |
| BMW | 5 | 535i Stationcar | 2011 | 40.9 | 55.9 | 59.2 | 62.6 | 65.6 | 67.8 |
| BMW | 5 | 535i | 2012 | 42.8 | 52.0 | 57.8 | 60.9 | 63.1 | 65.4 |
| BMW | 5 | ActiveHybrid | 2012 | 41.8 | 53.5 | 58.4 | 61.3 | 65.2 | 68.1 |
| BMW | 5 | 520i Stationcar | 2015 | 42.9 | 60.2 | 63.1 | 65.9 | 67.6 | 69.3 |
| BMW | 5 | 530d | 2015 | 41.0 | 55.2 | 59.1 | 62.9 | 66.6 | 68.3 |
| BMW | 5 | 520d | 2016 | 45.9 | 57.8 | 60.5 | 63.3 | 65.2 | 68.6 |
| BMW | 5 | 530d | 2016 | 41.9 | 56.8 | 60.5 | 63.3 | 64.3 | 67.6 |
| BMW | 5 | 535d | 2016 | 46.9 | 57.8 | 60.5 | 63.3 | 65.1 | 68.2 |
| BMW | 5 | 530d | 2017 | 41.9 | 55.8 | 59.0 | 62.2 | 64.3 | 67.6 |
| BMW | 5 | 530d stationcar | 2017 | 41.9 | 55.8 | 59.5 | 63.3 | 65.2 | 68.6 |
| BMW | 5 | 530i | 2017 | 37.9 | 54.8 | 58.5 | 61.2 | 62.3 | 65.5 |
| BMW | i3 | | 2017 | 45.5 | 55.1 | 58.9 | 62.9 | 70.1 | 70.2 |
| BMW | 5 | 540i | 2017 | 38.9 | 56.8 | 60.0 | 63.3 | 65.2 | 68.6 |
| BMW | 5 | 520d | 2018 | 42.9 | 53.0 | 58.7 | 64.3 | 66.7 | 68.8 |
| BMW | 6 | 640i Gran Coupe | 2012 | 41.6 | 51.2 | 58.9 | 63.2 | 64.0 | 65.1 |
| BMW | 6 | 650i | 2012 | 47.3 | 55.0 | 60.0 | 62.1 | 65.7 | 69.3 |
| BMW | 7 | 730d | 2009 | 42.1 | 56.3 | 60.1 | 62.0 | 66.7 | 68.1 |
| BMW | 7 | 750i | 2009 | 41.4 | 53.9 | 61.6 | 66.0 | 68.1 | 70.2 |
| BMW | 7 | 740d | 2010 | 42.4 | 52.2 | 60.0 | 63.8 | 65.2 | 67.0 |
| BMW | 7 | 750iL | 2010 | 38.5 | 56.1 | 61.2 | 63.0 | 64.8 | 67.0 |
| BMW | 7 | 740i | 2011 | 44.8 | 53.7 | 59.3 | 62.0 | 65.0 | 68.1 |
| BMW | 7 | 750i | 2013 | 40.3 | 55.2 | 58.6 | 61.9 | 65.7 | 67.3 |
| BMW | 7 | 730d | 2014 | 39.7 | 56.2 | 58.6 | 60.9 | 65.7 | 67.3 |
| BMW | 7 | 760i | 2017 | 35.9 | 57.8 | 59.0 | 60.2 | 62.3 | 65.5 |
| BMW | i3 | | 2014 | 43.4 | 53.5 | 59.8 | 64.2 | 66.9 | 71.4 |
| BMW | i3 | 0.6 | 2018 | 31.9 | 48.5 | 55.3 | 65.3 | 67.7 | 68.8 |
| BMW | i8 | | 2014 | 42.3 | 60.2 | 62.6 | 64.9 | 70.6 | 72.3 |
| BMW | M2 | | 2016 | 49.9 | 61.8 | 64.5 | 67.3 | 69.1 | 72.7 |
| BMW | M2 | | 2017 | 44.9 | 61.8 | 65.5 | 69.3 | 70.1 | 73.7 |
| BMW | M3 | | 2008 | 51.1 | 61.1 | 67.3 | 70.4 | 73.7 | 77.0 |
| BMW | M3 | Cabrio | 2008 | 53.4 | 62.7 | 68.6 | 71.6 | 74.3 | 77.0 |
| BMW | M3 | | 2013 | 48.0 | 58.2 | 64.7 | 67.9 | 71.2 | 74.5 |
| Lexus | RC | 300h | 2016 | 30.2 | 56.3 | 60.8 | 63.5 | 65.1 | 67.7 |
| BMW | M3 | | 2017 | 48.9 | 62.7 | 65.5 | 68.3 | 72.1 | 75.8 |
| BMW | M4 | | 2017 | 46.9 | 64.7 | 67.0 | 67.9 | 68.2 | 71.7 |
| BMW | M4 | CS | 2017 | 45.9 | 62.7 | 66.5 | 70.3 | 71.1 | 74.7 |
| BMW | M5 | | 2012 | 44.4 | 54.6 | 62.8 | 65.7 | 68.4 | 71.5 |
| BMW | M6 | Cabrio | 2012 | 48.8 | 56.3 | 61.3 | 62.9 | 68.2 | 73.6 |
| BMW | M6 | | 2017 | 44.9 | 59.8 | 63.0 | 66.3 | 67.2 | 70.6 |
| BMW | X1 | xDrive 20d | 2011 | 44.5 | 59.5 | 62.4 | 65.5 | 68.5 | 71.0 |
| BMW | X1 | xDrive 30i | 2013 | 48.8 | 56.2 | 60.9 | 63.1 | 65.9 | 68.7 |
| BMW | X1 | xDrive 28i | 2015 | 42.9 | 59.2 | 62.6 | 65.9 | 68.6 | 70.3 |
| BMW | X1 | xDrive 20d | 2016 | 45.1 | 58.2 | 61.7 | 65.3 | 67.3 | 70.7 |
| BMW | X1 | sDrive18i | 2017 | 43.9 | 56.8 | 60.5 | 64.3 | 66.2 | 69.6 |
| BMW | X1 | sDrive18d | 2018 | 45.1 | 55.1 | 60.8 | 66.3 | 68.7 | 70.8 |
| BMW | X3 | xDrive 30i | 2008 | 42.2 | 51.9 | 59.7 | 64.5 | 64.9 | 65.6 |
| BMW | X3 | xDrive 35d | 2008 | 41.8 | 57.1 | 61.3 | 64.6 | 68.1 | 70.2 |
| BMW | X3 | xDrive 20d | 2011 | 46.2 | 58.2 | 62.1 | 65.3 | 69.1 | 72.4 |
| BMW | X3 | xDrive 20d | 2016 | 48.1 | 61.2 | 62.8 | 64.3 | 65.3 | 68.7 |
| BMW | X3 | xDrive 35d | 2016 | 45.9 | 56.8 | 60.0 | 63.3 | 65.2 | 68.6 |
| BMW | X3 | xDrive20d | 2017 | 48.9 | 57.8 | 61.0 | 64.3 | 68.2 | 71.7 |
| BMW | X3 | xDrive20d | 2018 | 42.1 | 52.1 | 57.8 | 63.3 | 65.7 | 67.8 |
| Lincoln | MKS | 3.7 V6 | 2009 | 44.5 | 54.3 | 60.5 | 63.6 | 66.6 | 69.6 |
| BMW | X4 | xDrive 35i | 2015 | 41.3 | 56.3 | 61.8 | 64.9 | 67.9 | 71.2 |
| BMW | X4 | xDrive 30d | 2016 | 47.9 | 57.8 | 60.5 | 63.3 | 65.2 | 68.6 |
| BMW | X5 | M | 2010 | 43.0 | 51.9 | 57.6 | 59.9 | 64.7 | 69.5 |
| BMW | X5 | xDrive 30d | 2010 | 44.3 | 54.6 | 62.7 | 65.1 | 68.3 | 71.9 |
| BMW | X5 | xDrive 30d | 2012 | 43.2 | 55.5 | 60.1 | 63.3 | 66.6 | 70.2 |
| BMW | X5 | xDrive 30d | 2013 | 41.4 | 56.3 | 58.0 | 60.8 | 64.6 | 68.2 |
| BMW | X5 | 3.0 V6 | 2014 | 40.3 | 50.7 | 57.2 | 60.5 | 63.5 | 66.5 |
| BMW | X5 | xDrive 30d | 2014 | 41.6 | 56.2 | 60.1 | 63.9 | 65.7 | 67.3 |
| BMW | X5 | xDrive 50i | 2014 | 46.1 | 55.2 | 58.2 | 61.2 | 64.4 | 67.7 |
| BMW | X5 | xDrive 30d | 2015 | 41.6 | 56.2 | 60.1 | 63.9 | 67.6 | 69.3 |
| BMW | X5 | xDrive40e | 2016 | 36.5 | 51.6 | 56.9 | 60.9 | 64.8 | 66.9 |
| BMW | X6 | xDrive 35d | 2009 | 46.4 | 57.6 | 61.4 | 64.5 | 67.4 | 70.3 |
| BMW | X6 | xDrive 35i | 2016 | 45.3 | 56.1 | 62.7 | 66.3 | 68.9 | 71.6 |
| BMW | Z4 | sDrive 35i | 2009 | 48.4 | 58.4 | 64.7 | 67.9 | 70.9 | 74.0 |
| BMW | Z4 | sDrive 35is | 2011 | 48.9 | 59.3 | 65.8 | 69.1 | 72.2 | 75.3 |
| Buick | Cascada | 1.6 cabrio | 2016 | 44.2 | 57.0 | 64.7 | 69.6 | 70.5 | 71.5 |
| Buick | Enclave | 3.6 V6 | 2008 | 44.3 | 55.5 | 62.4 | 66.3 | 68.4 | 70.4 |
| Buick | Enclave | 3.6 V6 | 2012 | 43.1 | 52.7 | 58.7 | 62.0 | 64.1 | 66.2 |
| Buick | Enclave | 3.6 V6 | 2016 | 41.9 | 52.0 | 58.3 | 61.8 | 63.9 | 66.0 |
| Audi | TT | 2.0 TDI | 2018 | 46.9 | 58.0 | 63.5 | 69.3 | 71.7 | 72.8 |
| Mazda | 2 | 1.3 BiFuel | 2011 | 44.8 | 57.3 | 62.3 | 65.7 | 69.0 | 72.3 |
| Buick | Regal | CXL 2.4 | 2011 | 44.5 | 54.9 | 61.3 | 64.9 | 67.0 | 69.1 |
| Buick | Verano | 2.4 | 2012 | 44.0 | 54.5 | 60.8 | 64.7 | 65.9 | 67.2 |
| Buick | Verano | Turbo | 2012 | 41.2 | 51.3 | 57.6 | 61.0 | 63.5 | 66.0 |
| Cadillac | ATS | Turbo | 2012 | 41.7 | 53.6 | 61.0 | 65.0 | 67.6 | 70.3 |
| Cadillac | ATS | 2.0 | 2013 | 44.0 | 54.3 | 60.7 | 64.4 | 66.0 | 67.6 |
| Cadillac | ATX | 3.6 V6 | 2012 | 45.6 | 53.8 | 59.2 | 61.0 | 66.5 | 72.0 |
| Cadillac | BLS | 1.9d Stationcar | 2008 | 43.6 | 53.7 | 61.7 | 65.1 | 67.2 | 69.5 |
| Cadillac | CTS | 3.6 | 2008 | 40.6 | 57.5 | 63.0 | 64.0 | 65.5 | 68.0 |
| Cadillac | CTS | Stationcar | 2010 | 42.2 | 50.7 | 56.2 | 58.7 | 62.0 | 65.3 |
| Cadillac | CTS | 3.6 Stationcar | 2011 | 40.7 | 57.1 | 62.1 | 65.4 | 67.3 | 69.9 |
| Cadillac | CTS | 3.6 | 2012 | 42.4 | 52.2 | 60.1 | 64.7 | 65.3 | 66.2 |
| Cadillac | CTS | 3.6 V6 | 2013 | 46.7 | 54.5 | 59.8 | 61.2 | 67.5 | 73.9 |
| Cadillac | CTS | 3.6 V6 | 2015 | 42.3 | 58.2 | 61.6 | 64.9 | 66.6 | 68.3 |
| Cadillac | CTS | 2.0 | 2016 | 44.2 | 55.1 | 60.1 | 62.6 | 65.1 | 68.1 |
| Cadillac | CTS Coupe | 3.6 V6 | 2011 | 44.3 | 56.0 | 63.3 | 67.4 | 69.5 | 71.6 |
| Cadillac | CTS-V | Hennessey | 2010 | 58.4 | 64.8 | 69.2 | 70.1 | 76.1 | 82.2 |
| Cadillac | CTS-V | Stationcar | 2011 | 50.0 | 58.4 | 63.7 | 66.3 | 69.0 | 71.6 |
| Cadillac | CTS-V | 6.2 V8 | 2012 | 44.5 | 54.8 | 63.0 | 66.7 | 68.5 | 70.7 |