Please note that in 2019 two BIG things happened. The road we test on was repaved, AND our sound meter met an unpleasant end. As a result scores from 2019 and earlier should not be compared to late 2019 and later.
| Year | Make | Model | dB at 50 MPH |
|---|---|---|---|
| 2016 | Acura | ILX | 71dB |
| 2014 | Acura | RDX | 74dB |
| 2017 | Acura | MDX Hybrid | 69dV |
| 2015 | Acura | MDX | 69dB |
| 2018 | Acura | TLX A-Spec AWD | 70dB |
| 2015 | Acura | TLX 3.5L V6 | 69dB |
| 2018 | Alfa Romeo | Giulia Ti | 70.5dB |
| 2018 | Alfa Romeo | Stelvio Ti | 71dB |
| 2015 | Audi | A3 2.0T | 71dB |
| 2015 | Audi | A3 Cabrio | 72dB |
| 2016 | Audi | A3 e-Tron | 70.5dB |
| 2018 | Audi | A5 Coupe Prestige | 73.5dB |
| 2018 | Audi | Q5 I4 Turbo | 72dB |
| 2015 | Audi | Q5 TDI | 70dB |
| 2015 | BMW | 435i Convertible | 70dB |
| 2018 | BMW | 530e Plug-In | 69dB |
| 2017 | BMW | i3 Range Extender | 75dB |
| 2015 | BMW | i3 Range Extender | 69dB |
| 2018 | BMW | M550i xDrive | 70dB |
| 2014 | BMW | X5 xDrive35i | 66dB |
| 2017 | Buick | Encore Sport Touring/Premium | 70dB |
| 2017 | Buick | LaCrosse Premium FWD | 70dB |
| 2015 | Buick | LaCrosse 3.6L | 67dB |
| 2017 | Cadillac | CT6 3.0T V6 AWD | 70dB |
| 2014 | Cadillac | CTS V-Sport | 70dB |
| 2015 | Cadillac | ELR | 69.5dB |
| 2017 | Cadillac | XT5 Platinum | 69.5dB |
| 2018 | Chevrolet | Bolt Premier | 72dB |
| 2017 | Chevrolet | Cruze Hatchback Premier | 71.5dB |
| 2016 | Chevrolet | Impala V6 | 69dB |
| 2017 | Chrysler | Pacifica Hybrid Platinum | 70dB |
| 2015 | Chrysler | 200 V6 FWD | 70dB |
| 2015 | Dodge | Challenger Scat Pack | 72dB |
| 2017 | Fiat | 124 Spider Lusso | 75dB |
| 2014 | Fiat | 500 Pop | 74dB |
| 2018 | Fiat | 500X Lounge | 74dB |
| 2016 | Ford | Explorer Platinum | 71dB |
| 2015 | Ford | Fiesta SFE | 68.5dB |
| 2014 | Ford | Focus Titanium Sedan | 72dB |
| 2014 | Ford | Fusion Energi | 69dB |
| 2015 | Ford | Fusion 1.5 | 68dB |
| 2017 | Ford | Raptor Super Cab | 68.5dB |
| 2017 | Ford | Super Duty F250 Diesel V8 | 71dB |
| 2018 | Genesis | G80 3.3T Sport | 67dB |
| 2017 | Genesis | G90 3.3T RWD | 68.5dB |
| 2017 | GMC | Acadia Denali | 71dB |
| 2014 | GMC | Sierra Denali 6.2L | 67dB |
| 2015 | GMC | Yukon Denali 6.2L | 68.5dB |
| 2014 | Honda | Accord Plug-In | 69dB |
| 2018 | Honda | Civic Type-R | 74dB |
| 2018 | Honda | Civic Si | 73.5dB |
| 2017 | Honda | Civic Sport | 73dB |
| 2014 | Honda | Civic EX | 72dB |
| 2018 | Honda | Clarity Fuel Cell | 68dB |
| 2017 | Honda | CR-V Touring | 70dB |
| 2015 | Honda | CR-V | 70dB |
| 2015 | Honda | Fit | 73dB |
| 2018 | Honda | Odyssey Elite | 72dB |
| 2017 | Hyundai | Elantra Eco | 71dB |
| 2017 | Hyundai | Elantra Sport | 71dB |
| 2015 | Hyundai | Elantra GT | 72dB |
| 2015 | Hyundai | Genesis 5.0 | 67dB |
| 2018 | Hyundai | Ioniq EV Ultimate | 72dB |
| 2017 | Hyundai | Ioniq Hybrid Ultimate | 73dB |
| 2017 | Hyundai | Santa Fe Limited Ultimate | 71dB |
| 2015 | Hyundai | Santa Fe Sport | 69.5dB |
| 2015 | Hyundai | Sonata Eco | 70dB |
| 2017 | Hyundai | Veloster Turbo | 75dB |
| 2018 | Infiniti | Q503.0T | 71dB |
| 2017 | Infiniti | QX30 Sport | 73dB |
| 2015 | Infiniti | QX60 Hybrid | 67dB |
| 2018 | Infiniti | QX80 V8 | 68dB |
| 2017 | Jaguar | F-Pace R-Sport | 70dB |
| 2018 | Jaguar | XE 3.5T AWD | 69.5dB |
| 2017 | Jeep | Cherokee Overland | 70dB |
| 2014 | Jeep | Cherokee Limited 3.6L | 68.5dB |
| 2017 | Jeep | Compass Trailhawk | 71dB |
| 2015 | Jeep | Grand Cherokee Summit Diesel | 68dB |
| 2017 | Kia | Cadenza Limited | 68.5dB |
| 2018 | Kia | Forte5 SX | 72dB |
| 2015 | Kia | K900 | 67dB |
| 2017 | Kia | Niro Hybrid Touring | 72dB |
| 2017 | Kia | Optima Hybrid Plug-In | 70dB |
| 2018 | Kia | Rio Hatchback EX | 72dB |
| 2017 | Kia | Soul ! Turbo | 73dB |
| 2014 | Kia | Soul ! | 71dB |
| 2015 | Kia | Soul EV | 71dB |
| 2014 | Lexus | CT 200h | 70dB |
| 2014 | Lexus | GX 460 | 67dB |
| 2018 | Lexus | LS 400H | 70dB |
| 2018 | Lexux | LS 500 | 69dB |
| 2015 | Lexus | LX 570 | 69dB |
| 2015 | Lexus | RX 450h | 68dB |
| 2017 | Lincoln | MKZ Hybrid | 70.5dB |
| 2015 | Lincoln | MKZ Hybrid | 70dB |
| 2018 | Mazda | CX-5 GT Premium | 70dB |
| 2014 | Mazda | Mazda3 5-Door | 72dB |
| 2017 | Mazda | MX-5 RF Manual | 75dB |
| 2015 | Mercedes | C300 4Matic | 68dB |
| 2014 | Mercedes | CLA 250 | 73dB |
| 2014 | Mercedes | E250 Bluetec 4Matic | 73dB |
| 2017 | Mercedes | Metris | 72dB |
| 2015 | MINI | Cooper | 72dB |
| 2015 | Nissan | Altima 2.5 | 68dB |
| 2018 | Nissan | Leaf SL | 71dB |
| 2015 | Nissan | Murano | 70dB |
| 2018 | Nissan | Rogue Sport | 71dB |
| 2017 | Nissan | Rogue Sport | 72dB |
| 2017 | Nissan | Rogue Hybrid SL Premium | 70dB |
| 2014 | Nissan | Rogue SL | 68dB |
| 2017 | RAM | 1500 Crew Cab Short Bed V8 | 74dB |
| 2015 | RAM | ProMaster City | 74.5dB |
| 2014 | Scion | FR-S Manual | 74dB |
| 2016 | Subaru | Crosstrek | 73dB |
| 2015 | Subaru | Forester XT | 74dB |
| 2018 | Subaru | Impreza Premium | 73.5dB |
| 2016 | Toyota | Avalon Hybrid | 70dB |
| 2018 | Toyota | Camry Hybrid XLE | 72dB |
| 2015 | Toyota | Camry Hybrid | 70dB |
| 2017 | Toyota | Carolla iM CVT | 73dB |
| 2018 | Toyota | C-HR XLE | 74dB |
| 2018 | Toyota | Highlander Hybrid LE | 71dB |
| 2017 | Toyota | Prius Prime Advanced | 73.5dB |
| 2014 | Toyota | Sienna V6 | 69dB |
| 2015 | Toyota | Sienna V6 | 69dB |
| 2015 | Toyota | Yaris | 72dB |
| 2018 | Volkswagen | Atlas S | 71dB |
| 2015 | Volkswagen | e-Golf | 69.5dB |
| 2015 | Volkswagen | Jetta TDI | 70dB |
| 2017 | Volkswagen | Passat 1.8T SEL | 72dB |
| 2014 | Volkswagen | Passat 1.8 TSI SEL | 72dB |
| 2018 | Volkswagen | Tiguan S | 73dB |
| 2015 | Volkswagen | Tiguan | 70dB |
| 2015 | Volvo | S60 T6 FWD (DriveE) | 71dB |
| 2015.5 | Volvo | S60 T5 FWD (DriveE) | 69.5dB |
| 2015.5 | Volvo | V60 Cross Country T5 AWD | 69dB |
| 2018 | Volvo | V90 T6 Cross Country | 71dB |
| 2015.5 | Volvo | XC60 T6 AWD | 70dB |
