How much does a Land Rover Discovery 2 engine replacement cost in the UK?

A reconditioned Discovery 2 engine typically costs £1,250–£5,500 supply only [EM-QUOTE], depending on engine - the Td5 diesel sits at £1,250–£2,800, while the V8s range from £2,500 to £5,500. Fitting adds £650–£1,000. Use our calculator for a personalised figure.

Which Land Rover Discovery 2 engine is the most reliable?

The Td5 five-cylinder diesel (10P/15P/16P) is the most dependable - it offers strong torque, simpler mechanicals than the V8s, and avoids the porous bore liner issues that plague the Rover V8 petrol units. Its main weakness is the injector wiring harness, which is a well‑understood, affordable fix.

What are the common problems with the Land Rover Discovery 2?

Common issues include: Td5 injector harness oil contamination leading to ECU faults; V8 porous cylinder liners causing coolant loss and misfires; and rear chassis corrosion - the most frequent non‑engine failure. All are well documented across UK specialist forums.

Is the Land Rover Discovery 2 reliable?

It depends on the engine and how it was maintained. The Td5 is generally reliable when its injector harness is kept in check; the V8s have a known block‑liner weakness that can be costly. Beyond the engine, the chassis is the biggest long‑term worry - check rust thoroughly before buying.

Which Discovery 2 engine should I avoid?

We don’t recommend outright avoidance, but a V8 (4.0 or 4.6) without documented cooling system history is a risk - porous liners can lead to a full engine replacement. If you must have a V8, budget for a professional liner inspection and a cooling system overhaul.

How do I know if my D2 engine needs replacing?

Key warning signs: Td5 - rough running, misfire, or oil in the ECU connector; V8 - persistent coolant loss, white smoke on start‑up, or misfire when cold. Use our diagnostic guide to identify the specific symptoms, and always get a specialist compression and coolant‑gas test.

Is it worth replacing a Discovery 2 engine, or should I scrap the car?

Apply our 60% Land Rover threshold. A £2,800 Td5 recon against a £4,000 D2 is 70% - borderline, often not worth it. Against a well‑kept £6,000 example, the same recon is 47% - viable. For a V8, a £4,500 recon on a £4,000 car is a write‑off. Value the car first; if it exceeds 60%, walk away.

How long do Discovery 2 engines last?

Td5 units can exceed 200,000 miles with regular servicing and harness attention. V8s can reach similar mileage, but liner issues often appear before 120,000 miles - proactive coolant changes and leak detection are critical. Chassis corrosion typically ends the vehicle’s life before the engine wears out.

Is the Discovery 2 a single body style?

Yes - the Discovery 2 (L318) was produced exclusively as a 5‑door SUV. There are no saloon, coupé, or convertible siblings in this generation. The Discovery 3 (L319) is a separate generation with its own engine lineup, covered on its own page.

How do I find my Discovery 2 engine code?

The engine code is stamped on the cylinder block - for Td5, look on the left‑hand side of the block (near the starter motor); for the Rover V8, it’s on the block face below the inlet manifold. Alternatively, check your VIN plate or vehicle documentation. Tell us your registration and we’ll confirm it for free.

Land Rover Discovery 2 D2SUV1998–2004

Land Rover Discovery 2 D2 Engines - The Complete UK Guide

Every engine fitted to the Discovery 2 - from the five-cylinder Td5 turbo-diesel to the 4.0 and 4.6-litre Rover V8s. Real UK replacement costs, honest failure data, and the coolant and liner issues that define this generation's ownership story. Backed by real UK enquiry data [PATTERN DATA].

Discovery 2 Enquiries (Pattern Data)

SUV

3Engine Codes

Part of Engine Finders

Discovery 2 Enquiries (Pattern Data)

SUV

3Engine Codes

Part of Engine Finders

Explore D2 Engines

ENGINE DATABASE

Land Rover Discovery 2 D2 Engine Codes - The Complete Database

Every engine fitted to the Discovery 2 specifically - including the mid-cycle 4.6-litre V8 upgrade that arrived for the 2003 model year.

Engine CodeFamilyFuelDisplacementPowerYears (D2)Variants (badges)Reliability2025 EnquiriesAvg. Recon Cost

10P / 15P / 16PTd5Diesel, turbo2.5L136 bhp1998–2004Td5★★★☆☆ [PROVISIONAL - pending dedicated Engine Page]- (pattern data)£1,250–£2,800 [EM-QUOTE]

4.0L V8 (Thor)Rover V8Petrol4.0L180–188 bhp1998–2002V8, V8 ES★★☆☆☆ [PROVISIONAL - pending dedicated Engine Page]- (pattern data)£2,500–£4,500 [EM-QUOTE]

4.6L V8 (Thor)Rover V8Petrol4.6L228 bhp2003–2004V8, V8 HSE★★☆☆☆ [PROVISIONAL - pending dedicated Engine Page]- (pattern data)£3,000–£5,500 [EM-QUOTE]

Engine CodeFuelPowerYearsReliabilityEnquiriesAvg. Recon Cost

10P / 15P / 16PTd5Diesel, turbo136 bhp1998–2004★★★☆☆ [PROVISIONAL - pending dedicated Engine Page]- (pattern data)£1,250–£2,800 [EM-QUOTE]

4.0L V8 (Thor)Rover V8Petrol180–188 bhp1998–2002★★☆☆☆ [PROVISIONAL - pending dedicated Engine Page]- (pattern data)£2,500–£4,500 [EM-QUOTE]

4.6L V8 (Thor)Rover V8Petrol228 bhp2003–2004★★☆☆☆ [PROVISIONAL - pending dedicated Engine Page]- (pattern data)£3,000–£5,500 [EM-QUOTE]

OVERVIEW

Land Rover Discovery 2 D2 - Overview

The Discovery 2 - often referred to as the Series II - was launched in 1998 as the successor to the original Discovery.

Though it retained the 100-inch wheelbase and live-axle chassis of its predecessor, Land Rover claimed 85% of the vehicle was new. It introduced the all-new Td5 five-cylinder diesel engine - a significant step up from the 300 Tdi - alongside the familiar Rover V8 petrol. A 2003 facelift brought a 4.6-litre V8 upgrade, restyled lights, and the return of the centre-diff lock as an option. Production ended in May 2004.

Key Facts

Platform

Discovery 2 / L318 (live axle, 100-inch wheelbase)

Predecessor

Discovery 1

Successor

Discovery 3 / LR3

Sibling body styles in this generation

none - D2 is a single body style

Platform

Discovery 2 / L318 (live axle, 100-inch wheelbase)

Predecessor

Discovery 1

Successor

Discovery 3 / LR3

Sibling body styles in this generation

none - D2 is a single body style

Market Intelligence

The Discovery 2 remains a popular choice among UK off-road enthusiasts, with Td5 diesel variants commanding the strongest demand [PATTERN DATA].

BEST & WORST

Best & Worst Engines

Thin-Data Summary

“Thin-Data Fallback mode - exactly one paragraph: The Td5 five-cylinder diesel is the most dependable Discovery 2 engine - a 136 bhp unit that offers strong low-end torque and, unlike the Rover V8, avoids the porous bore liner issues that plague the petrol units. The 4.0 and 4.6-litre V8s are the engines to approach with caution: they're smooth and characterful, but coolant leaks and porous cylinder liners are well-documented weaknesses that can lead to expensive repairs. For buyers, the Td5 is the sensible choice; the V8s are for enthusiasts with a healthy budget for maintenance.”

Who it's for:

Thin-Data Summary

Who it's for:

OWNERSHIP ECONOMICS

Land Rover Discovery 2 D2 - Ownership Economics

EngineTypical MileageCommon Major FailureRepair Cost (Specialist)Replacement Cost (Recon)Ownership Verdict

Td5 (10P/15P/16P)80k–150kInjector wiring harness oil contamination; ECU ripple alternator failure£300–£800£1,250–£2,800

Best Diesel - the D2's most dependable engine, but watch the wiring loom.

4.0L V8 (Thor)60k–120kPorous bore liners; coolant leaks£800–£2,500£2,500–£4,500

High Risk - smooth, but liner failures can be catastrophic.

4.6L V8 (Thor)60k–120kPorous bore liners; slipped cylinder liners£800–£2,500£3,000–£5,500

High Risk - same issues as 4.0, more expensive to replace.

EngineTypical MileageCommon Major FailureRepair Cost (Specialist)Replacement Cost (Recon)Ownership Verdict

Td5 (10P/15P/16P)80k–150kInjector wiring harness oil contamination; ECU ripple alternator failure£300–£800£1,250–£2,800

Best Diesel - the D2's most dependable engine, but watch the wiring loom.

4.0L V8 (Thor)60k–120kPorous bore liners; coolant leaks£800–£2,500£2,500–£4,500

High Risk - smooth, but liner failures can be catastrophic.

4.6L V8 (Thor)60k–120kPorous bore liners; slipped cylinder liners£800–£2,500£3,000–£5,500

High Risk - same issues as 4.0, more expensive to replace.

The D2 rule

A £2,800 Td5 recon against a £4,000 Discovery 2 sits at 70% of the car's value - brushing our 60% Land Rover threshold. On a sub-£3,000 D2, that recon is simply not viable. The V8s are even worse: a £4,500+ recon against a £4,000 car is a financial write-off. Value the vehicle first, then the repair.

The D2 rule

Key Takeaways

Which D2 Costs Least To Own?
Td5 - cheaper to run, cheaper to fix, and no porous liner risk.
Which D2 Costs Most To Own?
4.6 V8 - higher fuel consumption, higher replacement cost, same failure risks.
Which D2 Is Best Value?
Td5 with documented injector harness history - the sensible buy.

COMMON PROBLEMS

Common Problems

Td5

Injector Wiring Harness Oil Contamination

Affected models:

Discovery 2 Td5 (1998–2004).

Td5 Injector Wiring Harness Oil Contamination

Typical failure mileage:

60,000–120,000 miles.

Root cause:

Engine oil can wick up the injector wiring harness from the injector seals, contaminating the ECU connector and causing erratic running, misfires, and eventually ECU failure. This is the Td5's most common electrical fault.

Tiered Cost Table

Preventative (Repair)

Dealer

Specialist

£500–£900

£300–£600

Replace injector harness and seals; clean ECU connector

Yes - cheap insurance

Catastrophic (Replacement)

Dealer

Specialist

£1,200–£2,000

£800–£1,500

Full injector harness and ECU replacement

Expensive but still viable on a good Td5

Our Recommendation

At the first sign of rough running or misfire on a Td5, inspect the injector harness and ECU connector - a £300–£600 preventative fix is far cheaper than the £800–£1,500 ECU replacement that follows if ignored.

Compare Td5 engine prices for your Discovery 2

Rover

V8 Porous Cylinder Liners

Affected models:

Discovery 2 4.0 V8 (1998–2002) and 4.6 V8 (2003–2004).

Typical failure mileage:

60,000–120,000 miles.

Root cause:

The Rover V8's cylinder liners can become porous or slip, allowing coolant to enter the combustion chamber. The result is persistent coolant loss, misfires on cold start, and eventually catastrophic engine failure. The 4.6-litre unit is particularly susceptible.

Tiered Cost Table

Preventative (Repair)

Dealer

Specialist

£1,500–£3,000

£800–£2,000

Block sealant or liner pinning

Often a temporary fix

Catastrophic (Replacement)

Dealer

Specialist

£6,000–£8,000

£4,500–£6,500

Full reconditioned V8 engine

Usually exceeds D2 value

Our Recommendation

If your D2 V8 is consuming coolant with no external leak, have a specialist test for combustion gases in the coolant immediately. Ignoring this is the most expensive mistake you can make on a Discovery 2 - a £4,500+ replacement is rarely viable against a £3,000–£5,000 car.

Compare Rover V8 engine prices for your Discovery 2

Chassis

Corrosion (Rear Section)

Affected models:

All Discovery 2s, particularly high-mileage UK examples.

Typical failure mileage:

80,000+ miles (age-related, not mileage-dependent).

Root cause:

Unlike the Discovery 1, where the body rusted, the Discovery 2's chassis corrodes - particularly the rear section, which is vulnerable to off-road impacts and water ingress. Severe corrosion can write off an otherwise decent vehicle.

Tiered Cost Table

Preventative (Repair)

Dealer

Specialist

£600–£1,200

£300–£800

Rust treatment and localised welding

Yes - cheap insurance

Catastrophic (Replacement)

Dealer

Specialist

£2,500–£4,000

£1,500–£3,000

Full rear chassis replacement

Borderline - value the car first

Our Recommendation

Have the rear chassis inspected at every MOT - surface rust is treatable; structural rot is a serious problem. A £300–£800 preventative repair is far cheaper than a £1,500+ chassis replacement.

Compare Discovery 2 chassis repair quotes

REPLACEMENT COSTS

D2 Engine Replacement Costs - By Engine and Condition

VariantEngine CodeUsed (Supply)Reconditioned (Supply)Rebuilt (Supply)Labour Hours

Td510P / 15P / 16P£600–£1,200£1,250–£2,800£2,000–£3,50010–14 hrs

4.0 V84.0L Thor£1,200–£2,800£2,500–£4,500£4,000–£6,00012–16 hrs

4.6 V84.6L Thor£1,800–£3,500£3,000–£5,500£5,000–£8,00012–16 hrs

No Generation variance note required - no Engine Page baseline exists for these engines yet. Costs are sourced from UK specialist suppliers [EM-QUOTE].

CORE VARIANTS

Core Variants

Diesel Variants

Td5TD5

Petrol Variants

V8V8 ESV8 HSETD5

Scope note: All variants listed are Discovery 2 / D2 / L318 only. The Discovery 3 (L319) is a separate generation with different engines and is covered on its own Generation Page.

MARKET INTELLIGENCE

Market Intelligence

Most Requested E90 Engines (2025)

Most Requested E90 Variants

Average E90 Replacement Cost

Most Common E90 Failures

FAQ

TRUST & PROOF

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covering every variant from Td5 to V8 HSE, with nationwide supply and specialist fitting available.

Find the best Land Rover Discovery 2 engine replacement UK owners rely on. Compare real prices from trusted specialists on EnginesMarket today and get your D2 back on the road with confidence.

Compare Land Rover Discovery 2 D2 Engine Prices on EnginesMarket

Find the best Land Rover Discovery 2 engine replacement UK owners rely on. Compare real prices from trusted specialists on EnginesMarket today and get your D2 back on the road with confidence.

Compare Land Rover Discovery 2 D2 Engine Prices on EnginesMarket

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100% Free

No hidden fees

No Obligation

Get quotes with zero pressure

UK Specialists

20+ vetted experts

12-Month Warranty

As standard

Nationwide Delivery

Supply & fit available