Subaru Impreza WRX STI SPEC C (GRB) – Specifications & Buyer's Guide

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Introduction

The Subaru Impreza WRX STI SPEC C (model code GRB) is a performance-focused JDM variant that attracts driving enthusiasts and collectors. The GRB Spec C, presented here using supplied vehicle data, combines a compact five-door layout with a manual gearbox and four-wheel drive, making it appealing for buyers who want a usable daily car with strong sporting credentials. This guide compiles verified specifications from the supplied data and offers practical buying advice for international buyers interested in Japanese used imports.

Subaru Impreza GRB WRX STI Spec C Overview

The GRB designation ties to the Impreza platform used for performance-oriented WRX STI models. The supplied record identifies the vehicle as an "IMPREZA 5D 4WD WRX STI SPEC C" from the 2009 sample set. This Spec C trim is positioned as a high-performance variant in Subaru’s WRX STI line-up. The data used in this article comes from the provided vehicle dataset; any items not present in that dataset are marked as unavailable rather than assumed.

Subaru Impreza GRB WRX STI Spec C Specifications

Notes: The table uses only the data supplied. Several common specification items (power, torque, fuel economy, detailed equipment) were not provided and are noted as unavailable.

Engine and Performance

Verified facts: the supplied data lists a 1994 cc engine and a 6-speed manual transmission. The model name also identifies the car as a 4WD (all-wheel drive) vehicle.

What we can say with confidence is limited to those items. A six-speed manual combined with a 4WD driveline suggests the GRB Spec C is aimed at drivers who value engagement and traction. For buyers, confirm the actual engine type, whether turbocharged, and the engine’s power/torque ratings from the seller or inspection report before purchase, because those values were not supplied.

When inspecting a used GRB Spec C, pay close attention to mechanical items that affect driving feel: clutch condition, gearbox synchros, AWD transfer components, and any evidence of high-mileage use or sustained high-load driving. If the car is modified, request documentation of parts and work completed.

Exterior Design and Dimensions

The supplied dimensions (4415 mm length, 1795 mm width, 1470 mm height) describe a compact five-door hatch profile. The “5D” designation in the model name confirms a five-door layout, which adds everyday practicality versus a two-door coupe.

With a listed curb weight of 1420 kg, the Spec C sits in a range that reflects a performance hatch with reinforcement and equipment. Buyers should verify the condition of the exterior for accident repairs, panel alignment, and corrosion — especially in climates prone to salt or coastal exposure. Check suspension components and look for uneven tyre wear that can indicate alignment or subframe issues.

Interior, Comfort and Technology

The supplied dataset does not include a detailed list of interior features or safety technology. As a general buyer guideline, inspect the cabin for seat wear, dashboard condition, electronics functionality (gauges, HVAC, infotainment), and operation of driver aids if fitted.

Because Spec C variants are often oriented toward sporty driving, they may feature firmer seats, unique trim, or limited-run interior touches — but these details should be confirmed with the seller or auction listing. Verify that essential comfort and convenience items operate correctly and that any aftermarket changes are well documented.

Fuel Economy and Everyday Practicality

Official fuel economy figures (JC08 or WLTC) were not provided in the supplied data, so no official consumption numbers can be stated here. The GRB Spec C’s 5-door layout and manual transmission suggest reasonable everyday practicality, but real-world fuel use will depend heavily on engine tuning, driving style, and whether the car has been modified.

If you plan to import this vehicle for daily use, request fuel-economy figures from the seller or check comparable factory specifications for the exact variant and model year. Confirm fuel type and tank capacity with the seller if range and refuelling requirements are important to you.

Is the Subaru Impreza GRB WRX STI Spec C a Good Used Car to Buy?

Strengths:

• Engaging platform: manual gearbox plus 4WD appeals to driving enthusiasts.
• JDM desirability: Spec C variants are sought-after by collectors and tuning fans.
• Market interest (sample): the supplied trend data shows rising demand.

Limitations and checks:

• Several key specifications (power, torque, safety equipment) are not provided — verify these before purchase.
• The supplied price range is wide (¥580,000–¥2,705,000). Expect condition, mileage, and modification history to drive price differences.
• Confirm service history and retention of any original parts, especially if buying a limited Spec C model.

Inspection checklist before importing:

• Full service history and proof of regular maintenance.
• Compression test and oil condition check.
• Turbo and intercooler inspection (if applicable) and any boost-control hardware.
• Clutch and gearbox operation, drivetrain noises.
• Evidence of accident repairs or structural damage; request photos and auction sheets.
• Verification of VIN/chassis number and mileage authenticity.

Frequently Asked Questions

Final Verdict

The Subaru Impreza GRB WRX STI SPEC C presents an attractive option for buyers seeking a driver-focused JDM hatch with manual transmission and all-wheel drive. While the supplied data confirms key items like the 1994 cc engine displacement, 6-speed manual gearbox, and 4WD drivetrain, several important specs (power, torque, fuel economy, interior equipment) were not provided and must be verified case-by-case. If you value engaging driving dynamics and JDM rarity, a well-documented GRB Spec C can be a rewarding purchase — but perform thorough mechanical and history checks and expect prices to vary widely depending on condition and provenance.

Check Your Japanese Car History Before Buying

Buying a used car from Japan? Before making your purchase, check the vehicle's history to help make a more informed decision.

Visit https://autocheck.jp to check the available history of the Japanese vehicle you are considering.

Check your Japanese car history at AutoCheck.jp before you buy.