The 2022 BMW iX is an extremely quiet, long-range road cruiser


  • In our noise level tests, the 2022 BMW iX xDrive50 was among the quietest vehicles we’ve ever tested.
  • The iX produces less interior noise than the latest BMW 7-Series and Mercedes-Benz S-Class, and it’s noticeably quieter than any Tesla.
  • The iX also clocked 290 miles in our 75mph highway range test, the second-longest-range electric vehicle we’ve ever tested.

    welcome to Car and drivers Testing Hub, where we zoom into test numbers. We’ve been pushing vehicles to their limits since 1956 to provide objective data to back up our subjective impressions (you can see how we test here). A more comprehensive review of the 2022 BMW iX xDrive50 can be found here.

    One of the characteristics of automotive luxury is to navigate in immaculate silence. Many people assume that electric vehicles are extremely quiet – using electrons to power motors eliminates the hum and buzz of the constant miniature explosions that occur in the cylinders of an internal combustion engine. But at highway speeds, electric vehicles aren’t necessarily quieter, and they’re susceptible to the same tire roar and wind noise as combustion vehicles. However, the 2022 BMW iX, which starts at $84,195, excels even in this environment, proving to be among the quietest cars we’ve ever tested.

    Our test vehicle was a 2022 BMW iX xDrive50 which, after adding a suite of additional options, cost $104,020. The xDrive50 is the entry-level version of the iX in the US, powered by an electric motor on each axle that produces a combined 516 horsepower. The iX we tested rolled on optional 22-inch wheels shod with Bridgestone Alenza 001 B-Silent summer tires, which makes its quietness even more impressive.

    Jessica Lynn WalkerCar and driver

    Here has Car and driver, we determine the sound pressure levels inside using a portable Brüel & Kjær Class 1 sound level meter. We take three measurements: idling, full throttle and cruising at 110 km/h. Sound pressure measurements are on a logarithmic scale, which means that a small numerical increase in data represents a noticeable noticeable difference in the real world. For example, each increase of 3 dBA corresponds to a doubling of sound pressure. We only compare data measured at the same test facility because our Michigan test track is rougher and noisier than our California test track.

    In our tests, the BMW iX averaged 66 dBA with the throttle pressed to the ground and 63 dBA when driving at a steady 70 mph. That puts it among the quietest cars we’ve ever tested. Only four cars were quieter at highway cruising speeds: a 2019 Bentley Bentayga V-8 (61 dBA), a 2019 Rolls-Royce Cullinan (62 dBA), a 2020 Audi S8 (62 dBA) and a Jaguar I -Pace 2019 (62dBA). The iX was noticeably quieter than this quartet at full throttle, even beating the all-electric I-Pace, which measured 71 dBA under hard acceleration. And the iX is far quieter than the quietest Tesla we’ve ever tested, a 2021 Model S Long Range Plus, which came in at 66 dBA.

    BMW’s EV SUV outperforms some very luxurious vehicles by keeping it quiet on the highway. The iX measured a decibel quieter than a 2020 BMW 745e plug-in hybrid, a 2021 Mercedes-Benz S580 4Matic and a 2021 Cadillac Escalade 600. The iX also easily betters these three gasoline land yachts when it comes to lack of noise. at maximum acceleration.

    The iX’s serenity at highway speeds can also be enjoyed for extended periods, as it clocked 290 miles in our 75-mph highway range test. This is the second best result we have ever recorded. It’s also an impressive 92% of its EPA range number of 315 miles, which is a much higher percentage of the rated range than the standard for electric vehicles. Only the Tesla Model S Long Range Plus, which clocked 320 miles, went further in our testing, though we expected a Lucid Air to jump to the top of our EV range test ranking once we we will have tested one.

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