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2002 Subaru Impreza Wagon: The Ultimate Owner's Guide & Buyer's Playbook

The 2002 Subaru Impreza Wagon sits at a sweet spot in automotive history — the tail end of the "legacy" Impreza generation (1999–2004) just before the dramatic redesign, offering proven mechanicals, rally-bred credibility, and a practical hatchback body that still turns heads today. Whether you're hunting for a daily driver, a weekend projector, or a snow-ready AWD companion, this guide gives you everything you need to make a smart decision.

Key Takeaways

• The 2002 Impreza Wagon is available with either a 2.5L flat-four (naturally aspirated) or a 2.5L turbocharged SOHC engine (RS model).
• Common issues include head gasket failures, front suspension wear, and rust in wheel arches and rocker panels.
• Maintenance cost is moderate—expect $800–$1,500/year for routine service plus occasional big-ticket items.
• Reliability varies by engine: the non-turbo EJ25 is more durable long-term than the early turbo EJ25 used in the RS.
• Buyer tip: prior-owner service records are gold. An Impreza with documented oil changes dramatically reduces risk.

Overview: What Makes the 2002 Impreza Wagon Special

Produced from late 1999 through 2004, the second-generation Impreza (GD/GG chassis) brought sharper styling, a stiffer platform, and Subaru's signature symmetrical all-wheel drive to a more refined package. The wagon variant, known as the Loyale in some markets, added genuine cargo实用性 (utility) with a rear seat that folded nearly flat.

In 2002, Subaru offered two distinct flavors:

• Base/LS/GT models with the 2.5L naturally aspirated EJ25D/EJ251 engine producing 165 hp.
• RS models with the 2.5L turbocharged EJ251 producing 240 hp (manual transmission only).

Both engines use Subaru's horizontally opposed "boxer" layout, which lowers the center of gravity and contributes to the car's confident handling character. The 2002 model year was notable for being the last before Subaru introduced minor updates to the turbo system and interior trim for 2003.

Trim Levels & Specifications

Engine Options

Spec	Non-Turbo (LS / GT)	Turbo (RS)
Engine	2.5L DOHC EJ251	2.5L SOHC Turbo EJ251
Horsepower	165 hp @ 5,600 rpm	240 hp @ 5,600 rpm
Torque	166 lb-ft @ 4,400 rpm	239 lb-ft @ 3,600 rpm
Transmission	5-speed manual or 4-speed auto	5-speed manual only
Drivetrain	Symmetrical AWD	Symmetrical AWD (limited-slip diffs)
0–60 mph	~8.5 seconds	~5.5 seconds
MPG (combined)	22 city / 28 highway	18 city / 24 highway
Curb Weight	~3,100 lbs	~3,200 lbs

Interior & Cargo Features

• 5-passenger seating with 60/40 split-folding rear seats
• Available heated front seats (premium package)
• Cargo volume: 18.5 cu ft behind rear seats; ~50 cu ft folded
• Roof rails standard on most trims
• ABS and dual-stage front airbags (side airbags optional on higher trims)

Known Problems & Common Failures

No car is without faults, and the 2002 Impreza Wagon has a well-documented list of weak spots. Knowing these beforehand separates a smart buyer from an unlucky one.

1. Head Gasket Failure (EJ25 Engines)

This is the #1 concern across all Subaru EJ-series engines from this era. The multi-layer steel (MLS) head gaskets are prone to failure between 80,000 and 120,000 miles. Symptoms include:

• White coolant loss with no visible external leaks
• Oil mixing with coolant (milky residue on dipstick or oil cap)
• White exhaust smoke on warm-up
• Rough idle or misfire on cylinder 3 or 4

Action step: Before buying, perform a combustion leak test (block tester) and inspect for coolant contamination. If the gaskets have already been replaced with an updated aftermarket part (ARP or Fel-Pro), treat it as a positive sign.

2. Front Suspension Wear

The short-arm/long-arm front suspension is excellent for grip but expensive to maintain. Common failure points include:

• Lower control arm bushings (cracking and separation)
• Strut mounts and bearings (clunking over bumps)
• Front sway bar end links and bushings (rattling noises)
• CV axle boots (tearing, leading to grease loss and joint failure)

Action step: Have a mechanic lift the car and check for play in all suspension components. Budget $600–$1,200 if major front-end work is needed.

3. Rust & Corrosion

Subarus from this period are generally well-built against rust, but certain areas demand attention:

• Front wheel arches and inner fender wells
• Rocker panels and door sills (road salt exposure)
• Rear hatch hinge areas and trunk floor
• Underneath the rear bumper cover

Action step: Inspect these areas with a flashlight and magnet. Use a paint thickness gauge if possible—inconsistent readings can indicate prior bodywork and hidden corrosion.

4. Turbo-Specific Issues (RS Models)

• Intercooler piping cracks (especially the charge pipe between intercooler and throttle body)
• Weak stock turbos under high boost pressure
• Injector seal failures leading to compression loss
• Clutch wear accelerated by 240 lb-ft of torque

5. Automatic Transmission Concerns

The 4-speed automatic (4AT) is adequate but not robust under turbo RS power. It tends to shift harshly around 60,000–90,000 miles if fluid was never changed. The manual transmissions (5-speed TR6060) are far stronger and preferred by enthusiasts.

Pre-Purchase Inspection Checklist

Use this step-by-step checklist when evaluating any 2002 Impreza Wagon. Check off each item and walk away if more than three critical failures are found.

Exterior Walkaround

• [ ] Paint condition&md