2018 Land Rover Discovery

The 2018 Land Rover Discovery is a luxury SUV known for its off-road capability, spacious interior, and refined driving experience. It offered two engine options: a 3.0-liter supercharged V6 gasoline engine producing 340 horsepower and 332 lb-ft of torque, and a 3.0-liter turbocharged diesel V6 engine producing 254 horsepower and 443 lb-ft of torque. Both engines were paired with an 8-speed automatic transmission. Owners often praise the Discovery’s luxurious interior, comfortable ride, and off-road prowess. However, common complaints revolve around its reliability, complex electronics, and relatively high maintenance costs.

Engine

3.0L Supercharged V6 Gasoline

• Coolant Leaks
  • Description/Symptoms: Coolant leaks can occur from various locations, including the water pump, thermostat housing, and coolant hoses. Symptoms include low coolant levels, overheating, and a sweet smell from under the hood.
  • Solution: Replacing the leaking component and flushing the cooling system.
  • Estimated Cost to Fix: $300 - $1000+
  • Recalls: None Found
• Supercharger Issues
  • Description/Symptoms: The supercharger can experience issues such as bearing failure or reduced boost. Symptoms include a whining noise from the engine, reduced power, and potential engine misfires.
  • Solution: Replacing or rebuilding the supercharger.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found

3.0L Turbocharged Diesel V6

• Diesel Particulate Filter (DPF) Problems
  • Description/Symptoms: The DPF can become clogged, leading to reduced engine performance, warning lights, and potential engine damage. This is often caused by short trips where the DPF doesn’t have enough time to regenerate.
  • Solution: Forced regeneration of the DPF, replacement of the DPF, or addressing underlying issues causing excessive soot production.
  • Estimated Cost to Fix: $500 - $3,000+
  • Recalls: None Found
• EGR Valve Issues
  • Description/Symptoms: The Exhaust Gas Recirculation (EGR) valve can become clogged with soot and carbon deposits, leading to rough idling, poor acceleration, and warning lights.
  • Solution: Cleaning or replacing the EGR valve.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Transmission

8-Speed Automatic Transmission (ZF 8HP70)

• Harsh Shifting/Jerking
  • Description/Symptoms: Some owners report experiencing harsh shifting, jerking, or hesitation during gear changes. This can be more pronounced at lower speeds.
  • Solution: Software update, transmission fluid flush, or valve body replacement. In severe cases, a complete transmission rebuild or replacement may be required.
  • Estimated Cost to Fix: $200 - $6,000+
  • Recalls: None Found
• Torque Converter Issues
  • Description/Symptoms: Torque converter shudder or failure can lead to vibrations, slipping, and poor acceleration.
  • Solution: Replacing the torque converter.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Suspension

• Air Suspension Failure
  • Description/Symptoms: The air suspension system can experience failures, leading to the vehicle sagging on one or more corners, ride height issues, and warning lights. Common causes include leaks in the air springs, compressor failure, or issues with the height sensors.
  • Solution: Replacing the air springs, compressor, or height sensors.
  • Estimated Cost to Fix: $500 - $2,500+ per component
  • Recalls: None Found

Electrical

• Infotainment System Issues
  • Description/Symptoms: The infotainment system (Touch Pro) can experience glitches, freezing, lagging, and connectivity problems.
  • Solution: Software updates, system resets, or replacement of the infotainment unit.
  • Estimated Cost to Fix: $100 - $2,000+ depending on the repair
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Excessive battery drain can lead to a dead battery, especially if the vehicle is not driven frequently. This can be caused by faulty modules, parasitic draws, or a failing battery.
  • Solution: Identifying and addressing the source of the battery drain, replacing the battery.
  • Estimated Cost to Fix: $150 - $500+
  • Recalls: None Found

Exterior

• Tailgate Malfunction
  • Description/Symptoms: The power tailgate can experience issues with opening or closing properly, sometimes getting stuck or making unusual noises. This can be due to faulty actuators, sensors, or wiring.
  • Solution: Replacing the faulty actuator, sensor, or wiring.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof not closing or opening. Sunroof Leaks
  • Solution: Replacing a sunroof motor, cleaning the sunroof drain lines
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found

Interior

• HVAC Issues
  • Description/Symptoms: Some owners have reported issues with the HVAC system, such as inconsistent temperature control, blower motor failures, or problems with the air distribution.
  • Solution: Replacing the faulty HVAC component.
  • Estimated Cost to Fix: $200 - $1,500+
  • Recalls: None Found

Summary

The 2018 Land Rover Discovery presents a mixed bag of luxury and potential headaches. While its powerful engine options, off-road capabilities, and opulent interior appeal to many, the common issues related to its complex systems, particularly the air suspension, electrical components, and engine-related problems, can be costly to repair. The severity of these issues ranges from minor software glitches to major mechanical failures, with repair costs potentially reaching several thousand dollars. Prospective buyers should be aware of these potential issues and factor them into their purchasing decision, potentially considering an extended warranty or a thorough pre-purchase inspection.