BMW Z4 (2005)
Running costs, common problems, and reliability data based on 4,523 real MOT tests in 2024.
MOT Pass Rate
78%
Total Tests (2024)
4,523
Avg Mileage
96,092 mi
Est. Annual Cost
£2,017
Is the 2005 BMW Z4 reliable?
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the BMW brand average of 88%.
At 19 years old, 78% of BMW Z4s from 2005 passed their MOT first time in 2024. That's based on 4,523 tests across the UK. The average mileage at this age is 96,092 miles.
How does the 2005 BMW Z4 compare?
Mileage Analysis
The average 2005 BMW Z4 has 96,092 miles on the clock, which is below the expected 140,600 miles for a 19-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Best year to buy a BMW Z4?
The most reliable year is the 2022 model with a 97% MOT pass rate, while the 2005 model has the lowest at 78%. Consider a different year if reliability is a priority.
How much does a 2005 BMW Z4 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 Z4 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2022 | 97% | 190 | 16,859 mi |
| 2021 | 95% | 3,193 | 18,645 mi |
| 2020 | 94% | 4,507 | 22,507 mi |
| 2019 | 93% | 5,476 | 26,551 mi |
| 2017 | 92% | 281 | 36,527 mi |
| 2016 | 88% | 2,559 | 41,764 mi |
| 2015 | 90% | 3,403 | 47,388 mi |
| 2014 | 89% | 3,837 | 52,736 mi |
| 2013 | 88% | 3,369 | 58,294 mi |
| 2012 | 87% | 4,094 | 65,038 mi |
| 2011 | 88% | 4,148 | 66,482 mi |
| 2010 | 87% | 3,917 | 72,537 mi |
| 2009 | 87% | 5,341 | 75,050 mi |
| 2008 | 81% | 3,803 | 80,859 mi |
| 2007 | 83% | 6,508 | 87,843 mi |
| 2006 | 81% | 6,617 | 89,752 mi |
| 2005 | 78% | 4,523 | 96,092 mi |
| 2004 | 81% | 6,308 | 95,043 mi |
| 2003 | 79% | 5,310 | 98,016 mi |
Checking a specific BMW Z4?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2005 BMW Z4
The 2005 BMW Z4 is a premium with a 1995cc petrol engine. 4,523 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2005, the average MOT pass rate is 72%, and this model beats that benchmark.
With an average of 96,092 miles at 19 years old, BMW Z4 owners tend to use this car less than the typical driver.
2005 BMW Z4 Fuel Costs
The 1995cc 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 2005 BMW Z4?
Total estimated annual running cost is £2,017 (£168/month), broken down as £1327 fuel, £135 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 78% pass rate. Keeping on top of servicing will help avoid surprises.
BMW Z4 Reliability Trend
Newer BMW Z4s show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Buying a Used 2005 BMW Z4
At 19 years old, the BMW Z4 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.
Alternatives to the 2005 BMW Z4
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- FORD FOCUS (2007) 73% pass rate (-5%) from 77,121 tests
- BMW 3 SERIES (2007) 80% pass rate (+2%) from 55,686 tests
- MINI MINI (2007) 73% pass rate (-5%) from 53,763 tests
- RENAULT CLIO (2007) 68% pass rate (-10%) from 41,223 tests