DACIA LOGAN MCV SWAY SE TWENTY B-DCI (2020)
Running costs, reliability data, and common problems from 129 real MOT tests.
Annual Cost
£1,505
£125/month
MOT Pass Rate
88%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 12-25
1461cc Diesel
Solid Option
88% pass rate, £1505/year to run. 6 points above average.
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Annual Running Costs
~55 mpg
Flat rate (post-2017)
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 6 years old, 88% of DACIA LOGAN MCV SWAY SE TWENTY B-DCIs from 2020 passed their MOT first time in 2026. That's based on 129 tests across the UK. The average mileage at this age is 43,346 miles.
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How Does It Compare?
Mileage Analysis
43,346
Average miles
44,400
Expected for age
The average 2020 DACIA LOGAN MCV SWAY SE TWENTY B-DCI has 43,346 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2021 model with a 90% MOT pass rate, while the 2020 model has the lowest at 88%. Consider a different year if reliability is a priority.
DACIA LOGAN MCV SWAY SE TWENTY B-DCI by Year
Similar Cars to Consider
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About the 2020 DACIA LOGAN MCV SWAY SE TWENTY B-DCI
The 2020 DACIA LOGAN MCV SWAY SE TWENTY B-DCI is a small family car with a 1461cc diesel engine. 129 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 84% of 2020 cars for MOT pass rates.
With an average of 43,346 miles at 6 years old, DACIA LOGAN MCV SWAY SE TWENTY B-DCI owners drive about as much as the UK average.
2020 DACIA LOGAN MCV SWAY SE TWENTY B-DCI Fuel Costs
The 1461cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 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 2020 DACIA LOGAN MCV SWAY SE TWENTY B-DCI?
Total estimated annual running cost is £1,505 (£125/month), broken down as £905 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2020 DACIA LOGAN MCV SWAY SE TWENTY B-DCI
At 6 years old, the DACIA LOGAN MCV SWAY SE TWENTY B-DCI offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Common Issues to Watch For
Based on the 2020 DACIA LOGAN MCV SWAY SE TWENTY B-DCI's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Medium riskDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
AdBlue System
Medium riskPost-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2020 DACIA LOGAN MCV SWAY SE TWENTY B-DCI stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| DACIA LOGAN MCV SWAY SE TWENTY B-DCI(2020) | 88% | £905 | £195 | Grp 12-25 | £1505 |
| FORD FOCUS(2019) | 89% | £905 | £190 | Grp 12-25 | £1500-£5 |
| MERCEDES A(2019) | 91% | £905 | £190 | Grp 12-25 | £1350-£155 |
| MERCEDES A-CLASS(2018) | 89% | £905 | £190 | Grp 12-25 | £1500-£5 |
| VOLKSWAGEN POLO(2018) | 84% | £905 | £190 | Grp 12-25 | £1500-£5 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Dacia Models
Explore other Dacia cars or similar models in the same category.
DACIA SANDERO
2015 · 1149cc Petrol
DACIA DUSTER
2019 · 1598cc Petrol
DACIA LOGAN
2015 · 1461cc Diesel
FORD FOCUS
2019 · 1499cc Diesel
MERCEDES A
2019 · 1461cc Diesel
MERCEDES A-CLASS
2018 · 1461cc Diesel
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