2006 Subaru Impreza WRX STI
The 2006 Subaru WRX STI is currently bid to $9,000 on Cars & Bids. See Friday's Watchlist AI fair value, deal score, hammer-price prediction, and bidding intelligence for this 2006 Subaru WRX STIauction.
The 2006 Subaru Impreza WRX STI stands out as a performance icon, blending rally heritage with impressive modifications. With a turbocharged 2.5L flat-4 engine now producing a staggering 572 horsepower, this sedan is not just about looks; it's built for speed and handling. The extensive list of aftermarket upgrades, including an IAG Performance Stage 4 Tuff closed-deck short block and an ETS rotated turbocharger kit, elevates its performance to a new level. Despite minor cosmetic flaws and a history of minor damage, this WRX STI remains a thrilling option for enthusiasts seeking a modified vehicle that retains its rally spirit. Ideal for those who appreciate performance tuning and the unique character of a rally-bred sedan.
- Make: Subaru
- Model: WRX STI
- Year: 2006
- Transmission: Manual (6-Speed)
- Engine: 2.5L Turbocharged Flat-4
- Drivetrain: 4WD/AWD
- Exterior color: WR Blue Pearl
- VIN: JF1GD70676L522184
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2006 Subaru Impreza WRX STI — Friday's Watchlist valuation summary
The 2006 Subaru Impreza WRX STI stands out as a performance icon, blending rally heritage with impressive modifications. With a turbocharged 2.5L flat-4 engine now producing a staggering 572 horsepower, this sedan is not just about looks; it's built for speed and handling. The extensive list of aftermarket upgrades, including an IAG Performance Stage 4 Tuff closed-deck short block and an ETS rotated turbocharger kit, elevates its performance to a new level. Despite minor cosmetic flaws and a history of minor damage, this WRX STI remains a thrilling option for enthusiasts seeking a modified vehicle that retains its rally spirit. Ideal for those who appreciate performance tuning and the unique character of a rally-bred sedan.
- Current bid
- $9,000
- Fair value estimate
- $20,975
- Fair value range
- $12,510 - $29,342
- Confidence
- HIGH
- Comparable sales analyzed
- 10
- Deal verdict
- great deal
- Deal score
- 10/100
- AI predicted hammer price
- $17,500
- Condition
- Good (5/10)
- Bids
- 9
- Listing views
- 4,717
Highlights
- Highlights:
- According to the window sticker provided in the gallery, notable factory equipment includes 17-inch BBS wheels, Brembo brakes, a Driver Controlled Center Differential, a rear spoiler, cloth and suede upholstery, and automatic climate control.
- Notable modifications reported by the seller are extensive, and a list is detailed below. Highlights include an IAG Performance Stage 4 Tuff closed-deck short block, GSC Stage 2 cams and valvetrain upgrades, an ETS rotated turbocharger kit, FIC 1650cc fuel injectors, an HKS Hi-Power exhaust, Killer B equal-length headers, a Southbend Stage 3 Daily clutch, a Link ECU WRXLink standalone with flex fuel tune, Defi Advance gauges, and a Pioneer head unit.
- The WRX (World Rally eXperimental) STi gained rally-bred upgrades, including a more powerful engine, a firmer suspension, Brembo brakes, a limited-slip rear differential, and a more muscular design characterized by a functional hood scoop and a rear wing. It became an instant success, thanks in part to its rally-inspired handling and its turbocharged engine.
- Power comes from a turbocharged 2.5-liter flat-4, rated at 293 horsepower and 290 lb-ft of torque in stock form. According to the dyno sheet pictured in the gallery, this WRX STI now produces 572 horsepower and 446 lb-ft of torque as a result of its modifications. Output is sent to all four wheels via a 6-speed manual transmission.
- Recent Service History:
- July 2026 (70,554 miles): Engine oil and filter changed, battery, battery tie-down, valve cover gaskets, coolant expansion tank, hoses, oil cooler, water pump, dipstick, and power steering pump replaced
- June 2025: Short block rebuilt