CarCostCheck

Rover 623

Reliability, estimated running costs, and MOT data across 4 model years from 206 MOT tests in 2024.

Avg Pass Rate

67%

Total Tests

206

Model Years

1995 to 1999

Years Covered

4

About the Rover 623

The Rover 623 was MOT tested 206 times in 2024 (DVSA data, retests included) across 4 model years (1995 to 1999), with an average pass rate of 67%. That's 15 points below the average of 82% across all models in our data, so check the year-by-year data carefully before buying. Our records list petrol versions.

Mileage Across Years

The oldest model in our data (1995) averages 78,880 miles, while the newest (1999) averages 87,529 miles.

Compared to the Rover brand average of 74%, the 623 is 7 points lower, placing it among the less reliable Rover models.

Estimated Running Costs

Fuel (Petrol, 2256cc)
£1,958
Road Tax
£375
MOT Test
£55
Predicted Repairs

Higher due to low pass rate

£700
Total per year£3,088
Per month£257/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 1999 details

How reliable is the Rover 623?

vs average of all models-15% (82% avg)
vs Rover brand average-7% (74% avg)

Rover 623 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
199961%9087,529 mi
199873%3394,888 mi
199767%43102,058 mi
199568%4078,880 mi

Questions about the Rover 623

Is the Rover 623 reliable?

Across its 4 model years in our data (1995 to 1999), the Rover 623 averages a 67% MOT pass rate, from 206 tests (DVSA MOT data for tests in 2024, retests included). That's 15 points below the average of 82% across all models in the same data.

Rover 623 Guides & Articles

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