Hyundai i30 N 2.0 T-GDi SPECIALISTS

Hyundai i30 N 2.0 T-GDi Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Hyundai i30 N 2.0 T-GDi engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the best deal for your high-performance hot hatch.

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Hyundai i30 N 2.0 T-GDi Engine

from£2,500 to £4,000...

Usedfrom £1,000
Reconditionedfrom £1,800
Common codesG4KJ

Hyundai i30 N 2.0 T-GDi Used Engine — G4KJ

Hyundai i30Used Engine — G4KJ

Hyundai i30 N 2.0 T-GDi Reconditioned Engine — G4KJ

Hyundai i30Reconditioned Engine — G4KJ

Hyundai i30 N 2.0 T-GDi Rebuilt Engine — G4KJ

Hyundai i30Rebuilt Engine — G4KJ

Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network

How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Hyundai i30 N 2.0 T-GDi Engine History & Specs at a Glance

When the Hyundai i30 N launched, the 2.0 T-GDi badge marked the pinnacle of the i30 range, bringing a purpose-built, high-output turbocharged inline-4 engine designed for track-focused performance and daily drivability.

2017
Introduction of the G4KJ 2.0L T-GDi engine (275 hp / 353 Nm) in the first-generation (PDe) i30 N, featuring a twin-scroll turbocharger and an electronically controlled wastegate.
2021
Power output increased to 280 hp (CN7 generation) with revised engine mapping, a larger turbocharger, and an integrated electronic limited-slip differential (e-LSD) for enhanced track performance.

Every engine fitted to the Hyundai i30 N 2.0 T-GDi is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Hyundai i30 N 2.0 T-GDi Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

G4KJ — 2.0L Turbocharged Petrol (2017-present)

Power Output: 275-280 hp
Years Fitted: 2017-present

Can’t find your exact engine code?-> Get quotes for G4KJ Hyundai i30 N 2.0 T-GDi engine replacement

-> Get quotes for G4KJ Hyundai i30 N 2.0 T-GDi engine replacement

Common failure points and repair options

Turbocharger Wear & Oil Consumption

Affected: Hyundai i30 N 2.0 T-GDi (G4KJ, 2017-present)
Typical failure mileage: 60,000-100,000 miles

Root cause

Sustained high-RPM use and track days increase thermal stress on the turbocharger bearings and piston rings, potentially leading to increased oil consumption or turbo lag over time.

Repair options

Repair tier	Dealer price	Specialist price
Minor - Turbo Health Check & Carbon Clean	£800-£1,200	£500-£800
Full Replacement - rebuilt/reconditioned engine	£3,500-£5,000	£2,500-£4,000 [EM-QUOTE]

Our recommendation

If your i30 N is showing minor oil consumption or turbo lag but still runs cleanly, a specialist turbo health check and carbon clean is the most cost-effective route. However, if the engine has suffered bearing wear or excessive oil burning, a full rebuilt replacement is the only reliable long-term solution to restore factory performance.

-> Compare rebuilt G4KJ Hyundai i30 N 2.0 T-GDi engine prices

Don't Let Engine Failure Write Off Your Hyundai i30 N 2.0 T-GDi

Whether it is turbo wear or carbon buildup, addressing issues early keeps your i30 N track-ready and protects its strong resale value. If replacement is necessary, EnginesMarket connects you with vetted specialists offering rebuilt G4KJ engines with upgraded components, a minimum 12-month unlimited mileage warranty and nationwide delivery - saving you from main dealer premiums.

Compare Hyundai i30 N 2.0 T-GDi Engine Replacement Prices Now ->

FAQ

Hyundai i30 N 2.0 T-GDi Engine ReplacementFrequently Asked Questions

Everything Hyundai i30 N 2.0 T-GDi owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

A full rebuilt or reconditioned engine replacement for a Hyundai i30 N 2.0 T-GDi typically ranges from £2,500 to £4,000 for supply only, depending on the specialist and the extent of performance upgrades included. Used engines start around £1,000 but carry higher risk, while rebuilt units include upgraded components and a 12-month warranty.

Rebuilt G4KJ units range £2,500-£4,000 supply-only.
Professional supply & fit labour typically adds £455-£585.
12-month unlimited mileage warranty standard on rebuilt units from EngineMarket network.

-> Compare Hyundai i30 N 2.0 T-GDi engine replacement quotes today.

The most common early warning signs in the Hyundai i30 N 2.0 T-GDi are increased oil consumption between services, noticeable turbo lag or whining noises, and occasional misfires under heavy load. You should also watch for illuminated engine management lights or blue exhaust smoke.

Rising oil consumption indicates ring or turbo seal wear.
Turbo whine or lag suggests bearing wear.
Misfires under boost can point to carbon buildup or injector issues.

-> If you notice these symptoms, get your Hyundai i30 N 2.0 T-GDi checked by a specialist immediately.

Yes. A well-maintained Hyundai i30 N 2.0 T-GDi holds a UK market value of £15,000-£25,000+, making a £2,500-£4,000 rebuilt engine a financially sound investment that preserves the vehicle's performance, track capability, and strong resale value for years to come.

Replacement cost is a fraction of the vehicle's value.
Upgraded components in rebuilt units address original wear points.
Cheaper than purchasing a newer performance hatchback.

-> Secure your Hyundai i30 N 2.0 T-GDi's future with a rebuilt engine quote.

A professional supply and fit service for a Hyundai i30 N 2.0 T-GDi typically takes 2 to 4 days, depending on the specialist's workload and whether any ancillary components like the turbo or cooling system are being upgraded simultaneously. Sourcing a quality rebuilt unit may add a few days.

Standard lead time: 3-5 days for engine delivery + 2-3 days for fitting.
ECU coding and break-in procedures included in specialist fitting packages.

-> Book your Hyundai i30 N 2.0 T-GDi supply and fit appointment now.

No. The i30 N G4KJ engine features specific internal components, a larger turbocharger, revised pistons, and unique ECU mapping compared to standard i30 engines. Attempting to fit a non-N engine will result in severe performance loss and compatibility issues.

G4KJ is unique to the N and N Performance variants.
Internal forgings and turbo setup differ significantly from standard 1.4T or 2.0 MPI units.
Always verify the engine code matches your variant.

-> Verify your Hyundai i30 N 2.0 T-GDi engine compatibility via free registration check.

Why Choose Us

Compare Hyundai i30 N 2.0 T-GDi Engine Prices Today

Comparing quotes is completely free and carries no obligation. By entering your registration you ensure every quote is precisely matched to your Hyundai i30 N 2.0 T-GDi and its specific G4KJ engine code, connecting you directly with vetted UK specialists who understand high-performance hot hatches and can deliver reliable, warrantied solutions at a fraction of main dealer cost.

50+50+ Hyundai i30 N 2.0 T-GDi engines supplied through our network

12-Month12-Month Warranty on every rebuilt Hyundai i30 N 2.0 T-GDi engine

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Compare quotes from trusted UK Hyundai i30 N 2.0 T-GDi engine specialists with warranty-backed rebuilt, reconditioned and used options nationwide.