Renault 21 Phase II 1.8L
Model overview
The Renault 21 Phase II is a straightforward older family car, but surviving examples need careful assessment for corrosion, age-related electrical faults and neglected mechanical maintenance.
Pros
- Simple period mechanical design
- Practical hatchback and sedan bodies
- Petrol and diesel choices
Cons
- Corrosion can be extensive
- Electrical and trim ageing
- Dated safety and refinement
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Age-related structural corrosionHigh
- Age-related electrical and trim faultsMedium
- Suspension, steering and brake wearMedium
Maintenance
Follow the engine-specific schedule and confirm belt arrangements, cooling-system servicing and fluid requirements from the vehicle documentation or VIN.
Engine overview · 1.8L 4-cyl PETROL
A simple older naturally aspirated petrol engine group, but condition varies substantially between carbureted and fuel-injected versions and after decades of age.
Pros
- Simple mechanical layout
- No turbocharger system
Cons
- Age-related rubber, wiring and seal deterioration
- Different fuel systems require different parts and servicing
- Maintenance history is especially important
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Cooling-system leaks or overheatingHigh
- Age-related ignition and fuel-system faultsMedium
- Oil leaks and age-related seal deteriorationLow
- Timing-drive service uncertainty where a belt-equipped variant is fittedHigh
Maintenance
Follow the engine-specific schedule and confirm the installed fuel system and timing-drive arrangement before servicing.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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