Subaru Impreza RB320oc Owners Club RB320

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What is the Subaru AWD?

Horizontally opposed engine

What is the ideal engine for the greatest driving pleasure? Subaru believes that the answer is the Horizontally-Opposed Engine.

This engine, with a layout that positions the pistons laterally to the crankshaft at an angle of 180 degrees, delivers multiple benefits.

Why is this Horizontally-Opposed Engine the ideal power unit? Because the opposed pistons mutually counteract vibration and give superior balance. This results in smoother engine performance throughout all speed ranges - with no need for a balancer shaft - as well as giving unparalleled response to the driver.The next advantages are the size and weight. Obviously, the Horizontally-Opposed piston layout means an engine that is both shorter and lower than a conventional in-line design. In addition, you have a more compact shape, lighter weight and the ability to mount the engine much lower in the chassis. The overall result is a low centre of gravity and balance that cannot be matched with other engine types.

The Horizontally-Opposed Engine has so many features that mere words can't adequately describe the difference it makes. You could even say that this engine is the one factor that really makes Subaru AWD possible.


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Richard Burns

Subaru rally legend, Richard Burns – Britain's only FIA World Rally Champion – died in November 2005 of brain cancer at the age of 34.

Click here for more information on the 2001 World Rally Champion.

RB320 Features

  • £6,000 of extra equipment
  • 320PS/450Nm Prodrive tuned
  • build limited to 320 units
  • finished in Obsidian Black
  • bespoke 18" alloy wheels
  • unique numbered tax disc holder
  • Prodrive tuned suspension system with Bilstein dampers, Eibach springs & rear ARB
  • lowered ride height
  • polished s/steel mesh front grille
  • STI front lip spoiler
  • STI quickshift gearchange
  • STI side sill plates
  • RB branded gear knob
  • RB branded car mats
  • RB exterior badging
Click here for full list