Luxury full-size SUVs are the most luxurious and capable luxury vehicles on the road, which is why it’s also so important to check how quiet they are! Here at Car Confections, we take a sound-level reading for each large flagship luxury SUV we review so that they can be ranked from quietest to loudest! That includes the most popular models, like the Cadillac Escalade, Mercedes GLS and BMW X7, as well as other great choices like the Lexus LX, Infiniti QX80 and Rivian R1S. So which model is the quietest in the segment? Check out the list below to find out!
| Model Year | Make and Model | Reading (in dB) | Special Notes |
|---|---|---|---|
| 25 | BMW X7 40i | 49.2 | |
| 26 | BMW X7 40i | 51.3 | |
| 27 | BMW X7 M60i | 51.6 | |
| 27 | Lincoln Navigator | 51.7 | |
| 27 | Mercedes GLS 450 | 51.9 | |
| 24 | Lexus LX 600 | 52.1 | |
| 26 | Mercedes GLS 450 | 53.1 | |
| 26 | Cadillac Escalade | 53.1 | |
| 25 | Li Auto L9 | 53.7 | California |
| 27 | Mercedes G550 | 53.8 | |
| 25 | Lexus LX 700h Luxury | 54.3 | California |
| 23 | Rivian R1S | 54.8 | |
| 23 | Infiniti QX80 | 55 | |
| 26 | Lexus LX 700h Overtrail | 55.2 | |
| 25 | Cadillac Escalade IQ | 55.3 | |
| 24 | Cadillac Escalade | 55.5 | |
| 25 | Infiniti QX80 Autograph | 56.1 | |
| 25 | Rivian R1S Tri Adventure | 56.5 | |
| 25 | Cadillac Escalade PL Plat | 56.8 | |
| 25 | Mercedes G-Class 580 EQ | 57.6 | |
| 26 | Infiniti QX80 Sport | 57.8 | Windy |
| 23 | Cadillac Escalade V | 61.5 |
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