WRZ Turbo Petrol Engines
from £1,495 to £3,950
Rebuilt units from £1,495 · Common codes: EJ205, EJ207, EJ255, EJ257
Get quotes today from trusted UK Subaru WRZ engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available.
WRZ Turbo Petrol Engines
from £1,495 to £3,950
Rebuilt units from £1,495 · Common codes: EJ205, EJ207, EJ255, EJ257
WRZ 2.5L Turbo Engines
from £1,895 to £4,250
Rebuilt units from £1,895 · Common codes: EJ255, EJ257, EJ253, EJ251
WRZ Compatible Legacy Engines
from £1,295 to £2,850
Rebuilt units from £1,295 · Common codes: EJ20, EJ25, FB20, FA20

Most replacements completed within 3-5 days.


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Not sure which variant your Subaru WRZ is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.

Every engine code fitted to the Subaru WRZ across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Extracted from detailed petrol and performance engine families across Subaru WRZ variants.

EJ205 - 2.0L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
Avg. rebuilt price
£1,495 - £2,850
Supply only
Technical specifications
Common failures
Not sure which engine code?
Can't find your engine code- Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Subaru WRZ engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

The Subaru WRZ's turbocharged boxer engines are powerful but can suffer from known weaknesses. Ringland failure on EJ255/257 and head gasket issues on EJ20 series dominate replacement demand. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address the original failure point - plus a minimum 12-month...
Ringland Piston Failure (EJ255/257)
Most affected vehicles
Subaru WRZ WRX EJ255, WRX STI EJ257 (2006-2014, turbo petrol)
Failure mileage range
60,000-100,000 miles
Typical failure window
Root cause
High cylinder pressures and heat cause piston ring lands to crack, allowing combustion gases to escape into the crankcase.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Piston Ring Replacement - Partial rebuild | £2,200 - £3,500 | £1,400 - £2,200 | Remove cylinder heads, replace piston rings, hone bores, reassemble | May extend life 20-40k miles if block is undamaged; not suitable if cylinders scored |
| Intermediate - Short Block Replacement - Bottom end rebuild | £3,200 - £4,800 | £2,100 - £3,200 | Replace crankshaft, pistons, rods, bearings; reuse cylinder heads if undamaged | Reliable solution if heads are good; addresses root cause of ringland failure |
| Full Replacement - Rebuilt / Reconditioned Engine - Complete swap | £4,500 - £6,500 | £2,850 - £4,250 | Supply & fit fully rebuilt EJ255/257 with upgraded pistons, rings, bearings, gaskets | Most reliable long-term solution; includes 12-month warranty, upgraded components prevent recurrence |
Our recommendation
On a WRZ worth £3,000-£8,000, full engine replacement with upgraded pistons offers better long-term value than partial repairs. Ringland failure often indicates broader bottom-end wear.
Compare rebuilt EJ255 EJ257 engine prices for your Subaru WRZ
Every Subaru WRZ engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Compare Subaru WRZ engine prices with vetted UK suppliers
All engine types include a minimum 12-month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Subaru WRZ within hours.

Every displacement fitted to the Subaru WRZ is listed, with compatible engine codes, years and common failure notes.
The 2.0L turbo boxer defined the WRZ's performance heritage, powering classic GC8 and GD chassis WRX/STI models. EJ205 and EJ207 codes deliver 218-280hp with distinctive turbo boxer character. Ringland failure and head gasket issues are the most common replacement triggers.
Engine Code(s)
EJ205, EJ207, EJ20G, EJ20K
Compatible Models (UK)
WRX (2000-2007), WRX STI (2000-2007), Prodrive PPP, GC8/GD chassis
Power output
Verified by registration
Common Failure Points
Ringland piston failure, head gasket leaks, turbocharger wear
Production Years: Check by registration
Compare Subaru WRZ 2.0L petrol engine prices
Choose your Subaru WRZ engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early WRX EJ205 to latest STI EJ257.
All Subaru WRZ models use turbocharged petrol boxer engines - no diesel or hybrid variants were offered.
Common Subaru WRZ Petrol Engine Families
Found In
Known For
Typical Petrol Models
All Subaru WRZ models use turbocharged petrol boxer engines - no diesel or hybrid variants were offered.
Common Subaru WRZ Petrol Engine Families
Found In
Known For
Typical Petrol Models
Not sure which fuel type your Subaru WRZ has- Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12-month unlimited mileage warranty from UK Subaru WRZ specialists.

This section covers all major engine changes across the Subaru WRZ production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
▣Main Engines
EJ205- 2.0L turbo petrol (WRX)
EJ207- 2.0L turbo petrol (STI)
▰Popular Models
🔧Known For
Engine Codes Covered:
EJ205EJ207EJ20GEJ20K