Reliability Guide
Common Bentley Problems
Select a model below to discover known faults, common MOT failures, estimated repair costs, and buying tips.
Select a Bentley Model
Bentley Continental GT (Mk3)
2018 – 2024
3 documented issues
Bentley Bentayga
2016 – 2024
3 documented issues 1 severe
Bentley Continental GT (Mk2)
2011 – 2018
3 documented issues 1 severe
Bentley Mulsanne
2010 – 2020
3 documented issues 2 severe
Bentley Continental Flying Spur
2005 – 2024
3 documented issues 1 severe
Bentley Continental GT (Mk1)
2003 – 2011
3 documented issues 2 severe
Brand-wide Bentley Problem Patterns
W12 Vacuum Pipes: Pre-2008 models suffer from brittle plastic pipes that require an engine-out repair.
Air Suspension: Struts and compressors frequently fail due to the 2.5+ tonne weight of the vehicles.
Electrical Drain: The dual-battery system is highly sensitive to voltage drops if not driven regularly.
Brake Costs: Standard steel refreshes are expensive; Carbon Ceramic options can cost £20,000+ for a full set.
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