FORD SIERRA SAPPHIRE (1991)
Running costs, common problems, and reliability data based on 164 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
164
Avg Mileage
52,634 mi
Est. Annual Cost
£1,717
Is the 1991 FORD SIERRA SAPPHIRE reliable?
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the FORD brand average of 85%.
At 33 years old, 92% of FORD SIERRA SAPPHIREs from 1991 passed their MOT first time in 2024. That's based on 164 tests across the UK. The average mileage at this age is 52,634 miles.
How does the 1991 FORD SIERRA SAPPHIRE compare?
Mileage Analysis
The average 1991 FORD SIERRA SAPPHIRE has 52,634 miles on the clock, which is significantly below the expected 244,200 miles for a 33-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
Best year to buy a FORD SIERRA SAPPHIRE?
The most reliable year is the 1990 model with a 96% MOT pass rate, while the 1992 model has the lowest at 87%. The 1991 sits between the two at 92%.
How much does a 1991 FORD SIERRA SAPPHIRE cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
FORD SIERRA SAPPHIRE by Year
Checking a specific FORD SIERRA SAPPHIRE?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 1991 FORD SIERRA SAPPHIRE
The 1991 FORD SIERRA SAPPHIRE is a family car with a 1993cc petrol engine. 164 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 8% of all 1991 cars for reliability.
With an average of 52,634 miles at 33 years old, FORD SIERRA SAPPHIRE owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.
1991 FORD SIERRA SAPPHIRE Fuel Costs
The 1993cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 1991 FORD SIERRA SAPPHIRE?
Total estimated annual running cost is £1,717 (£143/month), broken down as £1327 fuel, £135 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
FORD SIERRA SAPPHIRE Reliability Trend
Older FORD SIERRA SAPPHIREs tend to have better MOT pass rates than newer ones, with an average decline of 7 percentage points across model years.
Buying a Used 1991 FORD SIERRA SAPPHIRE
At 33 years old, the FORD SIERRA SAPPHIRE is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 1990 model has the highest pass rate at 96%.
Alternatives to the 1991 FORD SIERRA SAPPHIRE
The FORD SIERRA SAPPHIRE is actually the most reliable option among similar petrol family cars from this era. Here are comparable petrol cars with similar engines:
- VOLKSWAGEN GOLF (1991) 80% pass rate (-12%) from 5,191 tests
- BMW 3 SERIES (1990) 84% pass rate (-8%) from 3,316 tests
- FORD ESCORT (1990) 85% pass rate (-7%) from 2,672 tests
- MAZDA MX-5 (1991) 78% pass rate (-14%) from 1,798 tests