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Stihl BR 500 vs BR 450 - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Stihl BR 450 and the Stihl BR 500.

But before checking out these explanations, here's a table that summarizes the main pros of each of these 2 leaf blowers:

Stihl BR 450	Stihl BR 500

Higher CFM Higher MPH Bigger fuel tank	Lighter Less noisy 4-Mix engine
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Feel, Fuel & Noise

Belonging to the line of Stihl blowers, both the BR 450 and the BR 500 should have a shared standard of manufacturing and attention to detail.

Manufactured as backpack blowers, these two products are equipped with large engines and spacious fuel tanks, offering comfortable carrying while you work. You'll find the throttle positioned on the tube of both products, ensuring that your left hand remains unoccupied for other activities.
Both products, gas blowers, offer a swift refill system, saving you time on refueling and allowing you to efficiently manage large outdoor spaces.
The Stihl BR 450, weighing 23.4 lbs, edges slightly above the 22.3 lbs of the Stihl BR 500, implying that while it's marginally heavier, you may notice a tad more comfort and ease in handling the latter.
At 77 dB, the Stihl BR 450 produces a substantially louder noise compared to the 65 dB of the Stihl BR 500. This means that the latter will provide a significantly quieter operation, ensuring greater comfort for you and minimizing noise impact on those around you.

CFM & MPH

Comparatively, the Stihl BR 450 boasts a CFM of 642, surpassing the 544 CFM of the Stihl BR 500, positioning it as the more effective choice for clearing leaves in a shorter amount of time.
With an MPH of 219, the Stihl BR 450 edges out the 207 MPH of the Stihl BR 500, potentially improving its performance in leaf blowing and debris lifting tasks.

Engine specs

The Stihl BR 450 boasts a larger fuel tank capacity, with 57.5 fl.oz., surpassing the 47.3 fl.oz. of the Stihl BR 500. Consequently, you can store more fuel, potentially extending operational time, assuming similar engine fuel consumption rates.
In comparison, the Stihl BR 450's engine displacement of 63.3 cc is slightly surpassed by the 64.8 cc of the Stihl BR 500. This indicates that the latter may consume marginally more fuel per stroke, potentially resulting in slightly greater power output. Each of these blowers requires a fuel/oil mix to operate, as the Stihl BR 450 features a 2-stroke engine, and the Stihl BR 500 is powered by the Stihl 4-Mix 4-stroke engine.