Land Rover Discovery 4.4 V8 Engine Replacement Compare Prices & Get Quotes

A reconditioned or rebuilt 4.4 V8 engine for the Discovery typically costs between £5,500 and £12,000 for the supply-only unit in the UK.

• Used 4.4 V8 engines start around £3,000 but carry higher risk due to age.
• Rebuilt units with upgraded timing components sit at the £7,000-£12,000 mark.
• Supply and fit labour will add £910-£1,560 depending on the specialist.

The 368DT engine is prone to timing chain tensioner wear, which can escalate to catastrophic failure if ignored. Watch for early warning signs.

• A distinct metallic rattling or slapping noise from the engine bay on cold starts.
• Engine management lights indicating cam/crank correlation faults.
• Sudden loss of power or metallic knocking from the lower engine block.

Yes, particularly for later Discovery 4 SDV8 models, which hold their classic status and market value exceptionally well.

• Discovery 4 SDV8 models regularly sell for £8,000 to £18,000+.
• An £8,000-£12,000 rebuilt engine preserves the vehicle's towing capability and long-term usability.
• Early Discovery 3 models under £5,000 should be evaluated carefully against scrap value.

Both are 4.4-litre twin-turbo V8 diesels, but the 448DT was introduced as a refined, more robust evolution of the 368DT.

• The 448DT produces 339hp compared to the 368DT's 306hp.
• The 448DT features an upgraded oil cooling system and revised bottom-end components to prevent the crankshaft issues seen in early 368DT units.

Because the 4.4 V8 is a densely packed twin-turbo engine, a specialist workshop requires careful extraction and specific Land Rover diagnostic tools.

• Engine removal and refitting usually takes 14 to 18 hours of labour.
• Total workshop turnaround is typically 4 to 6 working days, including ECU coding and adaptation.