ALFA ROMEO 166 (2004)
Running costs, common problems, and reliability data based on 61 real MOT tests in 2024.
MOT Pass Rate
79%
Total Tests (2024)
61
Avg Mileage
107,938 mi
Est. Annual Cost
£2,397
Is the 2004 ALFA ROMEO 166 reliable?
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%.
At 20 years old, 79% of ALFA ROMEO 166s from 2004 passed their MOT first time in 2024. That's based on 61 tests across the UK. The average mileage at this age is 107,938 miles.
How does the 2004 ALFA ROMEO 166 compare?
Mileage Analysis
The average 2004 ALFA ROMEO 166 has 107,938 miles on the clock, which is below the expected 148,000 miles for a 20-year-old car. This suggests lighter use than average, which generally means less wear on major components.
How much does a 2004 ALFA ROMEO 166 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.
ALFA ROMEO 166 by Year
Checking a specific ALFA ROMEO 166?
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About the 2004 ALFA ROMEO 166
The 2004 ALFA ROMEO 166 is a premium performance with a 2959cc petrol engine. 61 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2004, the average MOT pass rate is 72%, and this model beats that benchmark.
With an average of 107,938 miles at 20 years old, ALFA ROMEO 166 owners tend to use this car less than the typical driver.
2004 ALFA ROMEO 166 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 2004 ALFA ROMEO 166?
Total estimated annual running cost is £2,397 (£200/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 79% pass rate. Keeping on top of servicing will help avoid surprises.
ALFA ROMEO 166 Reliability Trend
Newer ALFA ROMEO 166s show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2004 ALFA ROMEO 166
At 20 years old, the ALFA ROMEO 166 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 61 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2004 ALFA ROMEO 166
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- LAND ROVER FREELANDER (2006) 70% pass rate (-9%) from 12,591 tests
- MERCEDES E (2004) 78% pass rate (-1%) from 8,333 tests
- NISSAN X-TRAIL (2006) 67% pass rate (-12%) from 8,112 tests
- PORSCHE BOXSTER (2005) 86% pass rate (+7%) from 6,992 tests