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Stihl BR 700 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 700.

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

Stihl BR 450Stihl BR 700
Stihl BR 450Stihl BR 700
  • Higher MPH
  • Bigger fuel tank
  • Less expensive
  • Higher CFM
  • Less noisy
  • 4-Mix engine

Common specs comparison

Make & handling

  • As the BR 450 and the BR 700 are both Stihl blowers, they benefit from the same level of quality and attention to detail. On both products, the throttle is situated on the blower tube, giving you the advantage of having your left hand available for other uses.
  • These two products are constructed as backpack blowers, allowing you to comfortably carry their big engines and massive fuel tanks.
  • Both products are gas-powered blowers - gas is a reliable power source which you can refill in a matter of seconds, offering you the freedom of movement to tackle larger outdoor spaces with ease.

CFM & MPH

  • The Stihl BR 700, featuring a CFM of 912, surpasses the 642 CFM of the Stihl BR 450. With its superior airflow, the Stihl BR 700 offers an enhanced leaf blowing experience, enabling you to achieve faster and more efficient results.
  • The Stihl BR 450 with an MPH of 219 slightly exceeds the 197 MPH of the Stihl BR 700, making it more effective at blowing leaves on grass or lifting wet debris (acorns, etc.).

Weight & Noise rating

  • Sharing a weight of 23.4 lbs, both units provide a comparable user experience in terms of portability and maneuverability.
  • While the noise variation between the Stihl BR 450, recorded at 77 dB, and the Stihl BR 700, noted at 75 dB, seems marginal, it could still influence the operator and neighboring individuals.

Engine specs comparison

  • The Stihl BR 450's fuel tank has a volume of 57.5 fl.oz., exceeding the 47.3 fl.oz. of the Stihl BR 700. Therefore, you may store more fuel in the device and theoretically operate it longer, if their engines are equally demanding.
  • When comparing engine displacements, the 64.8cc engine of the Stihl BR 700 edges out the 63.3cc engine of the Stihl BR 450. This indicates a potential slight increase in fuel consumption per stroke and a corresponding bump in power output.
  • Each of these blowers requires a fuel/oil mix to operate, as the Stihl BR 450 features a 2-cycle engine, and the Stihl BR 700 is powered by the Stihl 4-Mix 4-stroke engine.

Other features comparison

Vacuum ability

Both the Stihl BR 450 and the Stihl BR 700 lack leaf vacuuming features, meaning you'll need to employ another method for leaf collection.

TL;DR

Stihl BR 450Stihl BR 700
Stihl BR 450Stihl BR 700
  • Higher MPH
  • Bigger fuel tank
  • Less expensive
  • Higher CFM
  • Less noisy
  • 4-Mix engine
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