BMW 320 (2018)
Running costs, common problems, and reliability data based on 17,053 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
17,053
Avg Mileage
59,320 mi
Est. Annual Cost
£1,482
Is the 2018 BMW 320 reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%.
At 6 years old, 91% of BMW 320s from 2018 passed their MOT first time in 2024. That's based on 17,053 tests across the UK. The average mileage at this age is 59,320 miles.
How does the 2018 BMW 320 compare?
Mileage Analysis
The average 2018 BMW 320 has 59,320 miles on the clock, which is above the expected 44,400 miles for a 6-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a BMW 320?
The most reliable year is the 2022 model with a 97% MOT pass rate, while the 2005 model has the lowest at 73%. The 2018 sits between the two at 91%.
How much does a 2018 BMW 320 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 320 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2022 | 97% | 61 | 22,624 mi |
| 2021 | 92% | 2,533 | 29,483 mi |
| 2020 | 92% | 9,105 | 34,897 mi |
| 2019 | 92% | 14,440 | 42,764 mi |
| 2018 | 91% | 17,053 | 59,320 mi |
| 2017 | 90% | 26,367 | 71,271 mi |
| 2016 | 90% | 6,365 | 78,781 mi |
| 2015 | 90% | 555 | 79,550 mi |
| 2014 | 85% | 441 | 82,085 mi |
| 2013 | 89% | 611 | 77,974 mi |
| 2012 | 83% | 409 | 87,516 mi |
| 2011 | 87% | 260 | 84,622 mi |
| 2010 | 86% | 291 | 91,150 mi |
| 2009 | 81% | 162 | 104,384 mi |
| 2008 | 84% | 177 | 101,514 mi |
| 2007 | 79% | 167 | 121,206 mi |
| 2006 | 74% | 145 | 143,980 mi |
| 2005 | 73% | 63 | 128,780 mi |
| 2004 | 82% | 49 | 131,336 mi |
| 2003 | 77% | 30 | 119,901 mi |
| 1990 | 86% | 35 | 111,395 mi |
Checking a specific BMW 320?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 BMW 320
The 2018 BMW 320 is a premium with a 1995cc diesel engine. 17,053 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.
With an average of 59,320 miles at 6 years old, BMW 320 owners cover more miles than the average driver.
2018 BMW 320 Fuel Costs
The 1995cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2018 BMW 320?
Total estimated annual running cost is £1,482 (£124/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW 320 Reliability Trend
Newer BMW 320s show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Buying a Used 2018 BMW 320
At 6 years old, the BMW 320 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2022 model has the highest pass rate at 97%. With 17,053 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2018 BMW 320
The BMW 320 is actually the most reliable option among similar diesel premiums from this era. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2017) 91% pass rate (same) from 127,682 tests
- FORD FOCUS (2019) 89% pass rate (-2%) from 93,803 tests
- FORD TRANSIT (2017) 81% pass rate (-10%) from 80,031 tests
- VOLKSWAGEN POLO (2018) 84% pass rate (-7%) from 79,867 tests