IsItAGoodCar
Reliability Guide

Common Problems with the
2021 Rolls-Royce Cullinan

The Cullinan Black Badge arrived as the sportier variant with increased power and revised suspension. These are the most desirable Cullinan variants but command significant premiums.

What changed for 2021

  • •Cullinan Black Badge introduced
  • •Revised suspension tuning
  • •Darkened exterior trim

Common MOT watch-outs

  • !Air suspension leaks on higher-mileage examples
  • !Brake disc corrosion
  • !Transfer case issues
2
Known Issues
0
Serious
2
Moderate
0
Minor

All Known Issues

Transfer Case and Drivetrain Vibration

ModerateGearbox & Transmission

Some early models have reported minor vibrations or "shudder" during low-speed tight turns, often requiring a fluid flush or transfer case update.

Est. Repair Cost: £600–£3,000
Warning Signs:

Vibration when parking, Slight hesitation on take-off

What to Inspect:
  • Perform tight figure-eight turns at low speed
  • Check for latest software updates in service records
Verified by IsItAGoodCar Research Team

Ride Height Calibration and Air Suspension Faults

ModerateSuspension & Chassis

The Cullinan's advanced air suspension with planar system can develop ride height calibration issues, causing the car to sit unevenly or display suspension fault warnings. The system relies on ride height sensors that can become misaligned or fail.

Est. Repair Cost: £1,000–£3,000
Warning Signs:

Car sits unevenly after parking, "Suspension Fault" warning on dashboard, Harsher ride quality than expected, Compressor running more frequently than normal

What to Inspect:
  • Check ride height at all four corners after the car has stood overnight
  • Scan for suspension-related fault codes
  • Verify the car self-levels correctly on a test drive
Verified by IsItAGoodCar Research Team

Buying Tips for 2021 Rolls-Royce Cullinan

  • ✓The Black Badge is the most desirable variant
  • ✓Check the air suspension for leaks
  • ✓Verify the transfer case operates smoothly