What year Rover 623 Si is most reliable?

Based on MOT first-test pass rates, the 1994 Rover 623 Si has the highest pass rate at 0.0%, out of 422 vehicles tested.

What are the most common Rover 623 Si MOT failures?

The most common Rover 623 Si MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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674 vehicles · MOT data 1993–1994 · first-test pass rates

Best pass rate year

1994

0.0% first-test pass rate · 422 vehicles

Lowest pass rate year

1993

0.0% first-test pass rate · 252 vehicles

Year	Pass rate	Avg mileage	Vehicles
1994	0.0%	—	422
1993	0.0%	—	252

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