Land Rover Range Rover Mk4 (L405) Common Problems & Reliability
All-aluminium and much lighter than the L322. While more reliable, it still has specific suspension, engine, and security weaknesses in the UK.
Select a Model Year Period
Detailed fault breakdown, symptoms, and estimated repair bills by production year.
Most Common Land Rover Range Rover Mk4 (L405) Faults & Repair Costs
Air Suspension Bag Leaks
The rubber air bags perish or crack, causing the car to sag and the compressor to overwork.
Car leaning after being parked, Slow lift time, Noisy compressor
- Ride height after sitting overnight
3.0 Diesel Crankshaft Failure
Catastrophic crankshaft or bearing failure, often occurring without warning.
Sudden seizure, Metallic knocking noise
- Oil change history
- Look for metallic glitter in oil filter
Front Suspension Lower Arm Wear
Front lower control arm bushes wear quickly due to the vehicle weight, causing clonking noises and uneven tyre wear. Budget £700 to replace all arms at once.
Clonking over bumps, Knocking under braking, Uneven front tyre wear
- Lower arm bush condition
- Drive forward and reverse braking to test
Electrical Gremlins and Module Failures
Pre-2015 cars in particular suffer from intermittent electrical faults including window switches, dashboard glitches, faulty fuel gauges, and random module failures. Water ingress and poor battery condition exacerbate these issues.
Intermittent electrical faults, Dashboard pixel dropout, Fuel gauge reading incorrectly, Random warning lights
- Battery condition and voltage
- All switches and buttons
- Check for stored fault codes
Buying a used Land Rover Range Rover Mk4 (L405)? Always check for hidden finance and write-off history.
Mechanical problems are only half the battle. Over 1 in 3 UK used cars checked have unpaid finance or accident write-off records that could cause you to lose the car or thousands in value.