What are the most common Land Rover Discovery problems?
According to Au7o's analysis of 8,260+ owner reports, the 2018-2018 Land Rover Discovery has 5 documented issues. The most frequently reported are: EGR Cooler Failure and Coolant Leak (TDV6/SDV6), Sunroof and A-Pillar Water Leaks, Diesel Particulate Filter (DPF) Regeneration Issues. Of these, 1 is rated critical and should be addressed promptly.
Is the Land Rover Discovery reliable?
The 2018-2018 Land Rover Discovery has 5 known issues documented across 8,260+ owner reports. 1 issue is rated critical: EGR Cooler Failure and Coolant Leak (TDV6/SDV6). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Land Rover Discovery problems?
Repair costs for known Land Rover Discovery issues range from $100 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, EGR Cooler Failure and Coolant Leak (TDV6/SDV6), typically costs $2,000-$5,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2010-2018 Land Rover Discovery EGR Cooler Failure and Coolant Leak (TDV6/SDV6)?
The EGR cooler on the 3.0L TDV6 and SDV6 diesel engines develops internal cracks that allow coolant to leak into the exhaust system. This causes white smoke from the exhaust, gradual coolant loss, and can contaminate the DPF. In the worst case, coolant enters the combustion chamb… Repairs typically run $2,000-$5,000. Severity: high.
What is the 2005-2024 Land Rover Discovery Sunroof and A-Pillar Water Leaks?
The Discovery is notorious for water leaks through blocked sunroof drains and deteriorated A-pillar seals. Water enters the cabin through the headliner and runs down the A-pillars, pooling in the front footwells. On LR3/LR4 models, this can damage the BECM (body electronics contr… Repairs typically run $100-$1,200. Severity: medium.
What is the 2010-2020 Land Rover Discovery Diesel Particulate Filter (DPF) Regeneration Issues?
Diesel Discovery models suffer from DPF regeneration problems, especially when used for short journeys. The DPF becomes overloaded with soot and the active regeneration cycle cannot complete, leading to a blocked filter. Warning lights illuminate and the engine enters limp mode. Repairs typically run $300-$3,500. Severity: medium.
What is the 2017-2025 Land Rover Discovery L462 Discovery Air Suspension Height Sensor Failure?
The current-generation L462 Discovery continues the air suspension tradition with its own set of issues. The ride height sensors are particularly prone to failure, giving incorrect height readings that cause the vehicle to sit at uneven heights. The sensors are located at each co… Repairs typically run $300-$800. Severity: medium.
What is the 2005-2020 Land Rover Discovery Terrain Response ECU Software Glitches?
The Terrain Response system ECU across LR3, LR4, and L462 Discovery models can develop software corruption that causes intermittent terrain mode selection failures and false fault messages. The ECU loses its calibration data and reverts to default settings. Power cycling the vehi… Severity: low.
