VOLKSWAGEN PASSAT SE NAV TDI S-A (2020)
Running costs, reliability data, and common problems from 946 real MOT tests.
Annual Cost
£1,487
£124/month
MOT Pass Rate
92%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 18-32
1968cc Diesel
Great Choice
92% pass rate, £1487/year to run. 10 points above average.
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Annual Running Costs
~48 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
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
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the VOLKSWAGEN brand average of 85%.
At 6 years old, 92% of VOLKSWAGEN PASSAT SE NAV TDI S-As from 2020 passed their MOT first time in 2026. That's based on 946 tests across the UK. The average mileage at this age is 55,478 miles.
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How Does It Compare?
Mileage Analysis
55,478
Average miles
44,400
Expected for age
The average 2020 VOLKSWAGEN PASSAT SE NAV TDI S-A has 55,478 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.
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Best Year to Buy?
The most reliable year is the 2019 model with a 93% MOT pass rate, while the 2021 model has the lowest at 87%. The 2020 sits between the two at 92%.
VOLKSWAGEN PASSAT SE NAV TDI S-A by Year
Similar Cars to Consider
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About the 2020 VOLKSWAGEN PASSAT SE NAV TDI S-A
The 2020 VOLKSWAGEN PASSAT SE NAV TDI S-A is a family car with a 1968cc diesel engine. 946 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 55,478 miles at 6 years old, VOLKSWAGEN PASSAT SE NAV TDI S-A owners cover more miles than the average driver.
2020 VOLKSWAGEN PASSAT SE NAV TDI S-A Fuel Costs
The 1968cc 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 2020 VOLKSWAGEN PASSAT SE NAV TDI S-A?
Total estimated annual running cost is £1,487 (£124/month), broken down as £1037 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
VOLKSWAGEN PASSAT SE NAV TDI S-A Reliability Trend
Older VOLKSWAGEN PASSAT SE NAV TDI S-As tend to have better MOT pass rates than newer ones, with an average decline of 4 percentage points across model years.
Buying a Used 2020 VOLKSWAGEN PASSAT SE NAV TDI S-A
At 6 years old, the VOLKSWAGEN PASSAT SE NAV TDI S-A 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 2019 model has the highest pass rate at 93%.
Common Issues to Watch For
Based on the 2020 VOLKSWAGEN PASSAT SE NAV TDI S-A'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 VOLKSWAGEN PASSAT SE NAV TDI S-A stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| VOLKSWAGEN PASSAT SE NAV TDI S-A(2020) | 92% | £1037 | £195 | Grp 18-32 | £1487 |
| VOLKSWAGEN GOLF(2018) | 92% | £1037 | £190 | Grp 18-32 | £1482-£5 |
| FORD FOCUS(2019) | 89% | £905 | £190 | Grp 12-25 | £1500+£13 |
| VOLKSWAGEN POLO(2018) | 84% | £905 | £190 | Grp 12-25 | £1500+£13 |
| FORD KUGA(2019) | 91% | £1037 | £190 | Grp 18-32 | £1482-£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.
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