IsItAGoodCar
Reliability Guide

Common Problems with the
2020 Bentley Continental GT (Mk3)

By 2020 the Mk3 had been on sale for two years and most teething issues had been resolved through software updates. The Speed variant arrived with 626bhp and the GT V8 offered a more efficient alternative. These mid-life cars are the most reliable.

What changed for 2020

  • •Speed variant with 626bhp
  • •GT V8 variant introduced
  • •Improved infotainment software

Common MOT watch-outs

  • !Tyre wear on 21" and 22" wheels
  • !Air suspension leaks on higher-mileage examples
  • !Brake disc corrosion from low use
3
Known Issues
0
Serious
3
Moderate
0
Minor

All Known Issues

Bentley Rotating Display Failure

ModerateInterior & Trim

The mechanism for the three-sided rotating dashboard panel can occasionally jam or fail.

Est. Repair Cost: £1,500–£3,000
Warning Signs:

Display stuck halfway, Grinding noise when rotating, Screen blank

What to Inspect:
  • Operate the rotation several times during the viewing
  • Listen for smooth, silent operation
Verified by IsItAGoodCar Research Team

48V System Errors

ModerateSuspension & Chassis

The advanced active anti-roll bars use a 48V electrical system that can occasionally throw error messages requiring a software reset.

Est. Repair Cost: £400–£1,200
Warning Signs:

"Chassis System Fault" warning, Stiff ride quality

What to Inspect:
  • Check for any historical chassis fault codes
  • Ensure the car has received all factory software campaigns
Verified by IsItAGoodCar Research Team

Dual-Clutch Transmission (DCT) Mechatronic Issues

ModerateGearbox & Transmission

The 8-speed DCT used in the Mk3 can develop mechatronic unit faults causing jerky shifts, hesitation, or failure to engage gears. Software updates have resolved some cases, but hardware replacement may be needed.

Est. Repair Cost: £2,000–£5,000
Warning Signs:

Jerky low-speed gear changes, Hesitation on pull-away, Gear selection delays, Transmission warning light

What to Inspect:
  • Test low-speed driving in stop-start traffic
  • Check for the latest gearbox software calibration
  • Ask for gearbox service history
Verified by IsItAGoodCar Research Team

Buying Tips for 2020 Bentley Continental GT (Mk3)

  • Budget for very high tyre costs due to the 21" and 22" wheel sizes
  • Check the infotainment system responds quickly
  • Verify the air suspension holds height overnight