L
Luxury Cars Guide
Model Problem Hub

McLaren 720S: Known Problems, Reliability & Real Ownership Cost

The 720S delivers supercar performance at a relatively accessible price — but McLaren ownership comes with its own unique challenges. Here's everything you need to know.

Quick Answer: Should You Buy?

"Expect significant running costs. Manageable if preventative maintenance is done."

  • Conclusion: Buy with Caution
  • Est. Repair Cost: $10,000+

Verdict

Buy with Caution

Risk Level

Medium

Annual Cost

$3,000 - $5,000

Worst-Case

$10,000+

Brand Guides

Navigate by Marque

Browse our architecture of reliability guides, common failure analyses, and maintenance notes grounded in owner reports and specialist workshop data.

Porsche logo
Porsche Study
Analysis of PDK electronics, 9A1/MA1 bore scoring patterns, and Mezger engine longevity data.
Access Database
BMW logo
BMW Study
S63/N63 rod bearing failure database, S55 hub-bolt solutions, and ZF8HP transmission maintenance protocols.
Access Database
Mercedes logo
Mercedes Study
M177/M178 'Hot V' turbo heat management, M156 head bolt technical bulletins, and Airmatic failure diagnostics.
Access Database
Audi logo
Audi Study
Rocker arm wear on the EA839 V6, 4.0T oil screen service guidance, and DSG transmission notes.
Access Database
Bentley logo
Bentley Study
Reliability insights on the 4.0T V8 and W12 vacuum systems, air suspension maintenance, and electronics.
Access Database
Range Rover logo
Range Rover Study
L405/L494 chassis reliability, SDV6 crankshaft failure points, and active anti-roll bar repair costs.
Access Database
Lamborghini logo
Lamborghini Study
V10/V12 supercar longevity data. Specialized gearbox sensor troubleshooting and carbon-ceramic brake wear tracking.
Access Database
Rolls-Royce logo
Rolls-Royce Study
Ownership guides for the N74 V12, complex air-ride suspension maintenance, and electrical systems.
Access Database
Updated for 2026 ownership data
View All Systematic Failures