The Land Rover Discovery, a full-size luxury SUV, is renowned for its blend of off-road prowess, family-friendly practicality, and refined performance. Its engines, ranging from efficient diesels to powerful petrol and hybrid options, deliver the versatility needed for urban commutes and rugged adventures. However, issues like turbo wear, diesel particulate filter (DPF) clogging, or high mileage can lead to maintenance or replacement needs. In 2025, a robust market for new, used, and reconditioned land over Discovery engines offers owners cost-effective solutions to maintain peak performance. This blog explores the Discovery’s engine lineup, specifications, common issues, replacement options, costs, and maintenance tips to keep your SUV ready for any journey.

Overview of Land Rover Discovery Engines

The Land Rover Discovery (L462, 2017-present) is built on Jaguar Land Rover’s D7 platform, offering a range of engines designed for efficiency, power, and off-road capability. Below are the primary engines available in 2025, covering diesel, petrol, and plug-in hybrid variants.

Diesel Engines

  • 2.0L Ingenium Turbo-Diesel I4 (D150/D180/D240): Produces 150-237 horsepower at 4,000 rpm and 430-500 Nm at 1,500-2,500 rpm. Achieves 34-38 mpg, ideal for fuel efficiency and long-distance travel.
  • 3.0L Ingenium Turbo-Diesel I6 (D250/D300/D350): Delivers 245-345 horsepower at 4,000 rpm and 570-700 Nm at 1,500-3,000 rpm with mild-hybrid technology. Offers 0-60 mph in 6.5-8.0 seconds and 30-34 mpg, suited for towing and off-road performance.

Petrol Engines

  • 2.0L Ingenium Turbo Petrol I4 (P300): Outputs 296 horsepower at 5,500 rpm and 400 Nm at 1,500-4,500 rpm. Reaches 0-60 mph in 7.3 seconds with 21 city/26 highway mpg, balancing efficiency and power.
  • 3.0L Ingenium Turbo Petrol I6 (P360/P400): A mild-hybrid producing 355-395 horsepower at 5,500-6,500 rpm and 500-550 Nm at 1,750-5,000 rpm. Achieves 0-60 mph in 5.9-6.3 seconds with 19 city/24 highway mpg, ideal for dynamic driving.

Plug-in Hybrid

  • 2.0L Ingenium PHEV I4 (P300e): Combines a 2.0L petrol engine with a 105 kW electric motor for 398 horsepower and 640 Nm. Offers 0-60 mph in 6.0 seconds, 31 miles of electric range, and 80-90 mpg when regularly charged, perfect for eco-conscious drivers.

All Discovery engines are paired with an 8-speed ZF automatic transmission and all-wheel drive, ensuring seamless power delivery and excellent traction across terrains.

Common Issues with Discovery Engines

Discovery engines are engineered for durability, but high mileage (100,000+ miles) or improper maintenance can lead to issues:

  • Turbocharger Wear: Common in 2.0L D150-D240 and P300 engines, causing power loss or smoke. Repairs cost $1,000-$2,500.<grok:render type="render_inline_citation">4
  • DPF Clogging: Diesel engines (D150-D350) require regular highway driving to regenerate the DPF. Clogging repairs cost $1,500-$3,000.<grok:render type="render_inline_citation">9
  • Timing Chain Issues: Pre-2021 3.0L D300/D350 engines may experience timing chain stretch, costing $1,500-$3,500.<grok:render type="render_inline_citation">2
  • PHEV Battery and Software: The P300e hybrid may face battery degradation or software glitches, with repairs at $2,000-$4,000.<grok:render type="render_inline_citation">12
  • Injector Failures: Diesel injectors can fail due to carbon buildup, costing $500-$1,500 per injector.<grok:render type="render_inline_citation">7
  • Fuel System Issues: P300 and P360/P400 engines may experience high-pressure fuel pump wear, costing $800-$1,500.<grok:render type="render_inline_citation">3

Regular maintenance, including oil changes every 7,500 miles with approved synthetics, premium fuel, and weekly highway driving for diesels, can prevent these issues.<grok:render type="render_inline_citation">10

Reconditioned Discovery Engines: A Smart Solution

When repairs are uneconomical, reconditioned engines offer a reliable, cost-effective alternative. These engines are disassembled, cleaned, machined, and rebuilt with new or upgraded components to address issues like turbo wear or timing chain failures.<grok:render type="render_inline_citation">6

Benefits of Reconditioned Engines

  • Cost Savings: 40-60% cheaper than new engines, e.g., $4,500-$11,000 vs. $9,000-$19,000.<grok:render type="render_inline_citation">4
  • Enhanced Reliability: Upgrades like improved turbo seals or timing chains boost durability.<grok:render type="render_inline_citation">2
  • Warranties: 1-3 year warranties, often unlimited mileage.<grok:render type="render_inline_citation">8
  • Eco-Friendly: Reusing cores reduces waste, aligning with 2025 sustainability trends.
  • Availability: Available for D150-D350, P300-P400, and P300e models.<grok:render type="render_inline_citation">3

Reconditioning Process

  1. Inspection: Diagnostics identify issues like compression loss.<grok:render type="render_inline_citation">12
  2. Cleaning: Ultrasonic baths remove carbon and debris.
  3. Machining and Replacement: Worn parts (pistons, turbochargers) are replaced with OEM-equivalent or upgraded components.<grok:render type="render_inline_citation">6
  4. Reassembly: Precise torque specs and calibration ensure performance.
  5. Testing: Dyno and leak-down tests verify reliability.<grok:render type="render_inline_citation">10

Engine Replacement Options and Costs

Discovery owners can choose from new, used, or reconditioned engines:

  • New Engines:

    • 2.0L D150-D240/P300: $9,000-$12,000
    • 3.0L D300-D350/P360-P400: $12,000-$16,000
    • 2.0L P300e PHEV: $14,000-$19,000
    • Pros: Maximum reliability, 2-4 year warranties.
    • Cons: High cost, potential supply delays.<grok:render type="render_inline_citation">4

  • Used Engines:

    • 2.0L D150-D240/P300: $2,500-$4,500
    • 3.0L D300-D350/P360-P400: $4,500-$7,000
    • 2.0L P300e PHEV: $6,000-$8,000
    • Pros: Affordable, widely available.
    • Cons: Risk of defects, short warranties (30-90 days).<grok:render type="render_inline_citation">7

  • Reconditioned Engines:

    • 2.0L D150-D240/P300: $4,500-$7,000
    • 3.0L D300-D350/P360-P400: $6,500-$9,500
    • 2.0L P300e PHEV: $8,000-$11,000
    • Pros: Cost-effective, reliable, eco-friendly, 1-3 year warranties.
    • Cons: More expensive than used, requires professional installation.<grok:render type="render_inline_citation">8

Additional Costs:

  • Installation: $1,500-$3,500 (12-22 hours at $80-$150/hour) due to complex electronics.<grok:render type="render_inline_citation">0
  • Shipping: $200-$600, with some suppliers offering free delivery.<grok:render type="render_inline_citation">7
  • Total Cost Range: $3,700-$22,500.

Sourcing Discovery Engines in 2025

Reliable sources include:

  • Specialty Suppliers: Offer reconditioned engines with warranties and rebuild specs.<grok:render type="render_inline_citation">3
  • Online Marketplaces: eBay and regional platforms list used and reconditioned engines. Verify seller ratings.<grok:render type="render_inline_citation">9
  • International Suppliers: Provide global shipping, starting at €4,000.<grok:render type="render_inline_citation">7
  • Land Rover Specialists: Ensure compatibility and quality.<grok:render type="render_inline_citation">6

Request service records or rebuild documentation to confirm quality.

Maintenance Tips for Discovery Engines

To extend engine life:

  • Regular Servicing: Change oil every 7,500 miles with approved synthetics; replace filters annually.<grok:render type="render_inline_citation">10
  • DPF Management: Drive highways weekly for 20-30 minutes to regenerate DPFs in diesels.<grok:render type="render_inline_citation">9
  • Turbo Care: Monitor oil leaks and use premium fuel.<grok:render type="render_inline_citation">4
  • PHEV Maintenance: Charge P300e battery regularly and update software.<grok:render type="render_inline_citation">12
  • Diagnostics: Use Land Rover tools to monitor error codes.

Pros and Cons

Pros:

  • Versatile engines for off-road and family use.
  • Reconditioned engines offer reliability and value.
  • Wide availability in 2025.
  • Eco-friendly reconditioned and hybrid options.

Cons:

  • Diesel DPF maintenance is critical.
  • Complex electronics increase installation costs.
  • Used engines risk defects.

Conclusion

The Land Rover Discovery’s engines, from the efficient 2.0L D150 to the powerful P300e hybrid, deliver unmatched versatility for family trips and off-road adventures. In 2025, reconditioned engines provide a cost-effective, reliable solution for replacements, addressing issues like turbo wear and DPF clogging while supporting sustainability. By sourcing quality engines and adhering to proper maintenance, Discovery owners can ensure their SUV remains a dependable companion for any journey.