2006–2009 Caterham Seven (Ford Sigma / Duratec)
Browse our directory of 2006–2009 Caterham Seven (Ford Sigma / Duratec) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
Registration Directory
Common Problems & Reliability
The 2006–2009 Caterham Seven (Ford Sigma / Duratec) has 2 known issues. 1 of these are classified as serious faults that could be expensive to repair. 1 are moderate concerns worth inspecting before purchase.
De Dion Tube Fatigue
SeriousThe De Dion tube can develop hairline cracks near the welds on cars used heavily on track or with stiff suspension.
Symptoms: Vague rear-end handling, Cracks visible in paint/coating of the tube
Est. repair cost: £400–£700
Engine Mount Cracking
ModerateThe vibrations from the Duratec engine, especially in higher states of tune, can crack the engine mounting brackets.
Symptoms: Excessive engine movement, New vibrations through the chassis
Est. repair cost: £150–£400
Buying Tips for the 2006–2009 Caterham Seven (Ford Sigma / Duratec)
- ✓Check the dry-sump system (if fitted) for leaks and oil level accuracy.
- ✓Ensure the cooling fans trigger correctly; the Ford engines run hot in traffic.
- ✓Inspect the rear differential for oil leaks, particularly around the input seal.
Check Any Vehicle
Don't see your specific car listed? Enter any UK registration number for an instant vehicle history check — including MOT history, tax status, finance check, and write-off data.
Free Vehicle Check