When comparing the BMW B58 and Supra B58, performance lovers are often torn between refined German engineering and raw Japanese power—here’s how they truly stack up.
The BMW B58 delivers 425 horsepower in high-revving inline-six configurations, emphasizing smooth, balanced performance ideal for daily driving and spirited roads. In contrast, the Supra B58 powers up to 414 horsepower in its naturally aspirated 3.0L unit, delivering sharper throttle response and a more aggressive, driver-focused character suited for track use. While BMW prioritizes refinement across RPM ranges, the Supra B58 excels in peak power delivery with a more visceral throttle feel.
BMW’s B58-powered models retain the brand’s signature blend of elegance and precision, with refined interiors and advanced driver aids like adaptive suspension and active steering. The Supra B58, inspired by iconic sports car heritage, features a lightweight chassis, rear-wheel-drive balance, and a more tactile driving experience—ideal for purists who value mechanical engagement over comfort features.
While both engines command premium pricing, the BMW B58 offers better integration with luxury tech and safety systems, enhancing everyday usability. The Supra B58, though less equipped for long commutes, delivers sharper enjoyment and exclusivity, appealing to enthusiasts who prioritize performance over convenience. For daily drivers seeking balance, BMW wins; for adrenaline seekers, Supra delivers.
Ultimately, the BMW B58 and Supra B58 each shine in their own realm—engineer with BMW for seamless power and luxury, or embrace Supra’s spirit for an uncompromising drive. Test drive both to experience what truly defines your ideal sports sedan.
B58/ZF8 combinations in various BMWs and the Supra feel very very similar. After my first drive in the Supra I felt like the powertrain was the biggest aspect of the Supra that felt "BMW", which says a lot considering how much BMW influence is obvious in the vehicle overall. Discover what BMW brings to the Supra engine with the B58, its performance specs, awards, and expert reviews.
Hidden engine problems and reliability issues most buyers discover too late. The B58 3.0-liter single-turbo straight-six in the Supra and so many other BMW models is a legend in its own time. A more than worthy successor to the 2JZ, and one of the best engines on sale today.
2021 Supra Vs 2016 340 - B58 differences? All times are GMT. The B58 going into the MKV was the absolute best move Toyota could've made. The only way the MKV could potentially be better is if they simply only used the BMW drivetrain and developed the rest of the car themselves.
The B58 is an evolution of BMW's N54 that fixes all the N54's shortcomings such as oil leaks, overheating, and rod knocks, and adds a forged steel crank and bottom end. Like most BMW straight-sixes (and like the 2JZ itself), the B58 is notoriously underrated. Stock from the factory, 2021+ MkV B58s easily make over 400 hp at the crank and around 355 hp at the wheels with the help of one twin.
The BMW B58 is a turbocharged straight-six engine, which began production in 2015. [1] The B58 replaced the N55 and was launched in the F30 340i. [2] The B58 is part of BMW's modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.
[3] The B58 engine was named to Ward's World's 10 Best Engines five times, in 2016 (installed. The turbocharged B58 straight-six isn't just in BMWs. From the GR Supra to the Ineos Grenadier, find out which surprising cars share this powerhouse, and why it's compared to the 2JZ.
BMW's B58 turbocharged inline-six powers 41 models across BMW, Toyota, Morgan, and Ineos. A 2025 update adds more power, torque, and efficiency. Exacerbating the matter is the underpowered B58 3.0-liter inline-six engine upon launch, with only 335 horsepower versus the BMW Z4's 382 horsepower.
Toyota listened in 2021 and updated the Supra.