The 2.5 RS was the highest performing Impreza you could buy from U.S dealers. These cars came with larger, more powerful 2.5L engines (compared to 2.2L on the base cars) as well as a viscous limited-slip rear differential with a 4:11 final drive. Paired with relatively close transmission gear ratios, a wide powerband, and a factory short shifter, these cars are nothing short of engaging to drive
1999+ models feature the much more durable “Phase II” SOHC engines (compared to the DOHC engines in pre-1999 cars). The DOHC engines were notorious for blowing head gaskets and breaking lower piston ring lands (the DOHC pistons are literally skirtless and were prone to piston slap). Phase II engines feature full-length slipper skirts and updated cylinder heads/hardware/gaskets. While Phase II engines weren’t flawless, they were more dependable, make slightly more torque and provide better fuel economy than the DOHC engines
These 2.5L engines have a high bore-to-stroke ratio of 1.26 (99.5mm bore, 79mm stroke). A ratio of 1.1-1.3 is typically reserved for race engines and is rarely found in a street engine. A small stroke (relative to bore) keeps piston speeds low, which in turn reduces friction in the engine. This is desirable for high RPM operation
The wheel wells on these rally-inspired cars are so wide that Subaru was forced to build the 7″ wide wheels with a high 53mm offset to fill the wheel well opening
Key Model Year Changes:
First year of the updated SOHC cylinder heads. These engines are more durable and produce slightly more torque than the problematic DOHC engines found in pre-1999 cars. (1999-2001 models are generally grouped together as the “Phase II” cars)
Revised front bumper cover with big round fog lights
The wheels are now silver instead of gold
First year of the white-faced gauges and red stitching on the leather-wrapped steering wheel and shift knob. Seat fabric pattern is new
Final year of Mass Air Flow (MAF) tuning. The following year (2000) introduced MAP tuning (manifold air pressure)
The following year (2000) was the first year of the rear limited-slip differential (the tried and true Hitachi R160, found in cars like the Datsun 510). 2000 MY also introduced new 6 spoke wheels, child-restraint mounts (making it easier to install a racing harness), as well as the 4 door 2.5 RS
2001 marked the final year of production and only saw minor interior changes, such as standard carbon fiber trim
20k original miles
Purchased new in PA. Resided in Florida for the past 15 years
Black Diamond Pearl
Looks and smells like a new car
Have original window sticker and all service records
Like a time capsule!
Location: North Port, Florida – (more photos below)
*SAE rated from factory. May not reflect current output.
*Performance numbers pulled from either the factory brochure or reputable automotive road tests.
*Base price when new does not reflect original MSRP of this particular car, nor does it reflect what the original owner paid for it.
*Advertised price at time of posting. Sellers can raise or lower prices on their original ad at any time. Click on the original ad to view current price/availability.
Mileage Disclaimer: NOC has not confirmed if the mileage stated by the seller is true and accurate. It is up to the buyer to verify these claims. Vehicle history reports, service records stating mileage, and even inspections of odometer tampering are recommended.