The 2021 Range Rover with the 5.0L supercharged V8 is a luxury beast with serious engineering complexity. While newer than problematic earlier generations, it carries forward expensive drivetrain vulnerabilities and electrical quirks that make ownership costly past warranty.
5.0L Supercharged V8 Piston Ring Failure & Bore Scoring
Occasional · high severityTypical onset: 40,000-80,000 mi
Symptoms: Excessive oil consumption (1qt per 1,000 miles or worse), Blue smoke on cold start or acceleration, Loss of compression, misfires on multiple cylinders, Check engine light with lean/misfire codes
Fix: This is the catastrophic V8 failure Land Rover tried to fix with engineering updates but still appears. Piston rings fail, scoring cylinder walls. Requires engine rebuild or short block replacement. 30-45 hours labor depending on accessibility and ancillary component replacement. Many owners discover this when oil consumption becomes absurd, then compression test reveals the carnage.
Estimated cost: $15,000-25,000
ZF 8-Speed Transmission Oil Cooler Line Failure
Common · high severityTypical onset: 50,000-90,000 mi
Symptoms: Transmission fluid leaking near front of vehicle, Transmission overheating warning on dash, Harsh shifting or delayed engagement when hot, Pink fluid puddle under engine bay
Fix: The oil cooler lines crack at crimp points or develop pinhole leaks from vibration and heat cycling. If undetected, low fluid destroys the transmission. Replacement involves removing undertray, disconnecting lines, and sometimes dropping transmission for access to hard lines. 4-7 hours labor. Always inspect closely on pre-purchase.
Estimated cost: $1,200-2,400
DC/DC Converter Failure (Hybrid System - if equipped)
Occasional · high severitySymptoms: Vehicle won't start or enters limp mode, 12V battery constantly dead despite being new, Warning lights for electrical system malfunction, High-voltage system errors on scan tool
Fix: The DC/DC converter steps down high voltage to charge the 12V system. When it fails (often from heat or component degradation), the 12V battery dies and the vehicle is stranded. Requires module replacement and sometimes software calibration. 3-5 hours labor. This was subject to a recall but still fails outside recall parameters.
Estimated cost: $3,500-5,500
Backup Camera System Failure
Common · low severitySymptoms: Black screen or 'camera unavailable' message when shifting to reverse, Intermittent pixelated or distorted camera image, System works only after multiple ignition cycles, Sometimes affects surround-view cameras too
Fix: Water intrusion or connector corrosion in the tailgate wiring harness kills the camera. Sometimes it's the camera module itself. Diagnosis involves checking camera power/ground and replacing camera or repairing harness. 2-4 hours labor. Was recalled but issues persist with connector quality.
Estimated cost: $800-1,500
Front Seat Belt Retractor Failure
Occasional · medium severitySymptoms: Seat belt won't retract or retracts too slowly, Seat belt warning light stays on with belt fastened, Belt locks up and won't extend, Pre-tensioner malfunction warning
Fix: The retractor mechanism fails or the pre-tensioner sensor gives false readings. Land Rover issued a recall but not all vehicles were covered. Requires seat belt assembly replacement. 1.5-2.5 hours labor per side. Safety item, don't ignore.
Estimated cost: $600-1,200
Transmission Mounts Deterioration
Common · medium severityTypical onset: 60,000-100,000 mi
Symptoms: Clunk when shifting from Park to Drive or Reverse, Vibration at idle in gear, Excessive drivetrain movement felt through cabin, Transmission housing contacting crossmember (visible on lift)
Fix: The hydraulic transmission mounts fail from heat and oil contamination (often from the leaking cooler lines). The transmission sags and clunks. Requires lifting transmission slightly to replace mounts. 3-5 hours labor depending on access and whether exhaust removal is needed.
Estimated cost: $1,000-1,800
Air Suspension Compressor & Valve Block Failure
Occasional · medium severityTypical onset: 70,000-110,000 mi
Symptoms: Suspension warning light with 'normal height only' message, Vehicle sits low on one corner or all corners, Compressor runs constantly or not at all, Hissing sound from under vehicle
Fix: The air suspension compressor wears out from continuous cycling, or the valve block develops internal leaks. Diagnosis requires testing each air spring for leaks and checking compressor operation. Compressor replacement is 4-6 hours, valve block is 5-8 hours. Expensive components, labor-intensive R&R.
Estimated cost: $2,500-4,500
Only buy with comprehensive warranty coverage or if you have a $10K emergency fund—the V8 engine failures alone make this a financial gamble past 50,000 miles.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.