BMW UNCLASSIFIED (2004)
Running costs, common problems, and reliability data based on 34 real MOT tests in 2024.
MOT Pass Rate
82%
Total Tests (2024)
34
Avg Mileage
138,790 mi
Est. Annual Cost
£2,247
Is the 2004 BMW UNCLASSIFIED reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the BMW brand average of 88%.
At 20 years old, 82% of BMW UNCLASSIFIEDs from 2004 passed their MOT first time in 2024. That's based on 34 tests across the UK. The average mileage at this age is 138,790 miles.
How does the 2004 BMW UNCLASSIFIED compare?
Mileage Analysis
The average 2004 BMW UNCLASSIFIED has 138,790 miles on the clock, which is in line with the expected 148,000 miles for a 20-year-old car, suggesting normal everyday use.
Best year to buy a BMW UNCLASSIFIED?
The most reliable year is the 2014 model with a 94% MOT pass rate, while the 2009 model has the lowest at 72%. The 2004 sits between the two at 82%.
How much does a 2004 BMW UNCLASSIFIED 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.
BMW UNCLASSIFIED by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2018 | 87% | 30 | 47,079 mi |
| 2015 | 91% | 68 | 53,678 mi |
| 2014 | 94% | 115 | 55,869 mi |
| 2013 | 90% | 178 | 76,736 mi |
| 2012 | 86% | 230 | 92,461 mi |
| 2011 | 83% | 138 | 94,720 mi |
| 2010 | 81% | 140 | 120,986 mi |
| 2009 | 72% | 174 | 112,065 mi |
| 2008 | 81% | 118 | 108,372 mi |
| 2007 | 80% | 168 | 130,862 mi |
| 2006 | 84% | 155 | 143,565 mi |
| 2005 | 86% | 66 | 133,725 mi |
| 2004 | 82% | 34 | 138,790 mi |
| 2003 | 100% | 31 | 86,305 mi |
| 2002 | 76% | 37 | 119,740 mi |
| 2000 | 100% | 44 | 97,540 mi |
Checking a specific BMW UNCLASSIFIED?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2004 BMW UNCLASSIFIED
The 2004 BMW UNCLASSIFIED is a premium with a 2171cc petrol engine. 34 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 22% of all 2004 cars for reliability.
With an average of 138,790 miles at 20 years old, BMW UNCLASSIFIED owners drive about as much as the UK average.
2004 BMW UNCLASSIFIED Fuel Costs
The 2171cc petrol engine offers a reasonable balance between performance and economy. 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 BMW UNCLASSIFIED?
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 82% pass rate. Keeping on top of servicing will help avoid surprises.
BMW UNCLASSIFIED Reliability Trend
Newer BMW UNCLASSIFIEDs show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2004 BMW UNCLASSIFIED
At 20 years old, the BMW UNCLASSIFIED 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 2014 model has the highest pass rate at 94%. Note: with only 34 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2004 BMW UNCLASSIFIED
The BMW UNCLASSIFIED is actually the most reliable option among similar petrol premiums from this era. Here are comparable petrol cars with similar engines:
- BMW 3 SERIES (2006) 80% pass rate (-2%) from 40,353 tests
- RENAULT CLIO (2006) 68% pass rate (-14%) from 31,061 tests
- AUDI A4 (2006) 76% pass rate (-6%) from 26,758 tests
- MERCEDES C (2006) 74% pass rate (-8%) from 20,205 tests