2010–2025 Caterham Seven (Ford Sigma / Duratec)
Browse our directory of 2010–2025 Caterham Seven (Ford Sigma / Duratec) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2010–2025 Caterham Seven (Ford Sigma / Duratec) has 3 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
Drivetrain Slack / "Clonk"
MinorMany Ford-era Sevens (especially those with BMW diffs) exhibit a loud "clonk" when taking up drive or lifting off the throttle.
Symptoms: Loud metallic clunk during gear changes, Vibration under load
Est. repair cost: £200–£1,500 (depending if it's just mounts or the diff)
Buying Tips for the 2010–2025 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.
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