ALFA ROMEO SZ (1991)
Running costs, common problems, and reliability data based on 48 real MOT tests in 2024.
MOT Pass Rate
85%
Total Tests (2024)
48
Avg Mileage
37,870 mi
Est. Annual Cost
£2,247
Is the 1991 ALFA ROMEO SZ reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It also outperforms the ALFA ROMEO brand average of 80%.
At 33 years old, 85% of ALFA ROMEO SZs from 1991 passed their MOT first time in 2024. That's based on 48 tests across the UK. The average mileage at this age is 37,870 miles.
How does the 1991 ALFA ROMEO SZ compare?
Mileage Analysis
The average 1991 ALFA ROMEO SZ has 37,870 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.
How much does a 1991 ALFA ROMEO SZ 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.
Checking a specific ALFA ROMEO SZ?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 1991 ALFA ROMEO SZ
The 1991 ALFA ROMEO SZ is a premium performance with a 2959cc petrol engine. 48 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 1991, the average MOT pass rate is 78%, and this model beats that benchmark.
With an average of 37,870 miles at 33 years old, ALFA ROMEO SZ 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 ALFA ROMEO SZ Fuel Costs
The 2959cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 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 ALFA ROMEO SZ?
Total estimated annual running cost is £2,247 (£187/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 85% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 1991 ALFA ROMEO SZ
At 33 years old, the ALFA ROMEO SZ 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. Note: with only 48 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 1991 ALFA ROMEO SZ
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- MERCEDES 300 (1992) 83% pass rate (-2%) from 1,096 tests
- PORSCHE 911 (1991) 91% pass rate (+6%) from 929 tests
- PORSCHE 944 (1990) 85% pass rate (same) from 914 tests
- PORSCHE 968 (1993) 85% pass rate (same) from 489 tests