IsItAGoodCar
Reliability Guide

Common Problems with the
2025 Bugatti Tourbillon

The Tourbillon launches as the revolutionary successor to the W16 era, featuring a naturally aspirated 8.35-litre V16 by Cosworth paired with three electric motors for a combined 1,775bhp. Limited to 250 units at ~£3.8 million, it features a completely new carbon-fibre monocoque and an intricate analog instrument cluster designed by Swiss watchmakers. As a brand-new model, long-term reliability data is unavailable.

What changed for 2025

  • •UK launch of Tourbillon
  • •Cosworth V16 with three electric motors
  • •1,775bhp combined output

Common MOT watch-outs

  • !V16 hybrid system complexity (uncharted territory)
  • !Battery thermal management concerns
  • !New model teething issues
3
Known Issues
0
Serious
2
Moderate
1
Minor

All Known Issues

V16 Hybrid System Complexity

ModerateEngine

The Tourbillon's entirely new powertrain combines a naturally aspirated Cosworth V16 with three electric motors and a 24.8 kWh battery. This is uncharted territory for Bugatti — the interaction between combustion and electric power, battery thermal management, and motor calibration may reveal early issues. The battery must be maintained at optimal temperature and charge.

Est. Repair Cost: £0 (Under factory Bugatti warranty)
Warning Signs:

Hybrid system warnings, Battery management faults, Power delivery inconsistencies, Charging system issues

What to Inspect:
  • Verify all software calibrations are current
  • Check battery health via diagnostics
  • Ensure hybrid system operates seamlessly through all modes
  • Review any early production technical bulletins
Verified by IsItAGoodCar Research Team

8-Speed DCT Gearbox

ModerateGearbox & Transmission

The Tourbillon uses a new 8-speed dual-clutch transmission (longitudinally mounted at the rear, unlike the Chiron's front-mounted unit). This is a completely new unit and its long-term reliability is unproven. Early production cars may require software refinements as Bugatti learns from real-world usage.

Est. Repair Cost: Unknown — likely £20,000+ if issues arise
Warning Signs:

Gear change quality concerns, Mechatronic warnings, Clutch engagement issues, Software-related drivability concerns

What to Inspect:
  • Drive the car and assess shift quality
  • Ensure latest software is applied
  • Check for any gearbox-related recalls or bulletins
  • Assess low-speed manoeuvring behaviour
Verified by IsItAGoodCar Research Team

Analog Instrument Cluster Maintenance

MinorInterior & Trim

The Tourbillon's centerpiece is a fully analog instrument cluster designed and manufactured by Swiss watchmaker Concepto, featuring mechanical gears and titanium components. While designed to be timeless, this intricate mechanism may require specialist servicing. A crash or impact damage to the cluster would be exceptionally expensive to repair.

Est. Repair Cost: Unknown — potentially £50,000+ if damaged
Warning Signs:

Mechanical instrument inaccuracies, Gear noise from instrument cluster, Visual defects in crystal or dial

What to Inspect:
  • Inspect instrument cluster for any defects
  • Verify all gauges read correctly
  • Check crystal glass for scratches or damage
  • Ensure fixed-hub steering wheel operates correctly
Verified by IsItAGoodCar Research Team

Buying Tips for 2025 Bugatti Tourbillon

  • ✓As a brand-new model, verify build slot allocation and delivery timeline
  • ✓Understand the hybrid system — the battery, motors, and V16 all require specialist knowledge
  • ✓Ensure your chosen Bugatti service centre has Tourbillon-specific training
2026
Check a 2025 Bugatti Tourbillon by Registration