Datsun Sunny (B110/B210/B310) Common Problems & Reliability
The Sunny was the car that established Datsun's reputation for reliability. It is a simple, no-nonsense vehicle that is surprisingly fun to drive but requires constant vigilance against rust.
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Detailed fault breakdown, symptoms, and estimated repair bills by production year.
Most Common Datsun Sunny (B110/B210/B310) Faults & Repair Costs
Rear Wheel Arch & Sill Rot
Like the Z cars, the Sunny was not well-undersealed from the factory. UK winters quickly eat the thin steel of the rear arches and outer sills.
Visible rust on arch edges, Holes in outer sills, MOT advisories for corrosion
Carburetor Hesitation
The Hitachi carburetors can develop flat spots or a poor idle due to worn needles, vacuum leaks, or gummed-up passages.
Stalling at junctions, Hesitation when accelerating, Strong smell of fuel
Buying a used Datsun Sunny (B110/B210/B310)? Always check for hidden finance and write-off history.
Mechanical problems are only half the battle. Over 1 in 3 UK used cars checked have unpaid finance or accident write-off records that could cause you to lose the car or thousands in value.