Vauxhall Astra Business Edition Nav T D (2020)
Estimated running costs and MOT pass rates from 1,545 MOT tests in 2024.
Annual Cost
£1,824
£152/month
MOT Pass Rate
89%
Good
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 12-25
1496cc Diesel
Solid Option
89% pass rate, £1,824/year to run. 7 points above average.
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Annual Running Costs
~55 mpg
Standard rate (from April 2017)
Estimates based on 7,400 miles/year (UK average), diesel at 199.33p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).
Reliability Verdict
Good reliability. Occasional issues but generally solid. That's 7 points above the average of 82% across all models in our data. It also outperforms the Vauxhall brand average of 84%.
89% of MOT tests on Vauxhall Astra Business Edition Nav T Ds from 2020 ended in a pass in 2024, when they were about 4 years old. That's based on 1,545 tests across the UK, retests included. The average mileage recorded at those tests was 48,856 miles.
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How Does It Compare?
Mileage Analysis
48,856
Average miles
29,600
Expected for age
The average 2020 Vauxhall Astra Business Edition Nav T D had 48,856 miles on the clock at its 2024 MOT, which is well above the expected 29,600 miles for a 4-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
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Best Year to Buy?
Of the years with at least 100 tests, the 2021 model has the highest MOT pass rate at 91%, while the 2020 model has the lowest at 89%. Consider a different year if reliability is a priority. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Vauxhall Astra Business Edition Nav T D by Year
Similar Cars to Consider
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About the 2020 Vauxhall Astra Business Edition Nav T D
The 2020 Vauxhall Astra Business Edition Nav T D is a small family car. Our records list a 1496cc diesel engine, though engines vary between versions. 1,545 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. It sits in the bottom 25% of 2020 models for MOT pass rate.
With an average of 48,856 miles recorded at its 2024 MOT tests, Vauxhall Astra Business Edition Nav T D owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2020 Vauxhall Astra Business Edition Nav T D Fuel Costs
The 1496cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £1,219 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; 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 Vauxhall Astra Business Edition Nav T D?
Total estimated annual running cost is £1,824 (£152/month), broken down as £1,219 fuel, £200 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2020 Vauxhall Astra Business Edition Nav T D
At 6 years old, the Vauxhall Astra Business Edition Nav T D 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
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
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 Vauxhall Astra Business Edition Nav T D stacks up against similar cars for estimated annual running costs, insurance group, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Est. Ins. Group | Total/yr |
|---|---|---|---|---|---|
| Vauxhall Astra Business Edition Nav T D(2020) | 89% | £1,219 | £200 | Grp 12-25 | £1,824 |
| Volkswagen Golf(2018) | 92% | £1,397 | £200 | Grp 18-32 | £1,852+£28 |
| Ford Focus(2019) | 89% | £1,219 | £200 | Grp 12-25 | £1,824same |
| Mercedes A(2019) | 91% | £1,219 | £200 | Grp 12-25 | £1,674-£150 |
| Mercedes A-Class(2018) | 89% | £1,219 | £200 | Grp 12-25 | £1,824same |
Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.
Questions about the 2020 Vauxhall Astra Business Edition Nav T D
Is the 2020 Vauxhall Astra Business Edition Nav T D reliable?
Good reliability. Occasional issues but generally solid. 89% of MOT tests on 2020 Vauxhall Astra Business Edition Nav T Ds ended in a pass, from 1,545 tests (DVSA MOT data for tests in 2024, retests included). That's 7 points above the average of 82% across all models in the same data.
How much does a 2020 Vauxhall Astra Business Edition Nav T D cost to run?
Our estimate is £1,824 a year (£152 a month): £1,219 fuel, £200 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2020 Vauxhall Astra Business Edition Nav T D?
89% of 1,545 MOT tests on the 2020 Vauxhall Astra Business Edition Nav T D ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 1925th of 2,554 models first registered in 2020 (bottom 25%).
Which year Vauxhall Astra Business Edition Nav T D has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Vauxhall Astra Business Edition Nav T D has the highest MOT pass rate at 91% and the 2020 the lowest at 89%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2020 Vauxhall Astra Business Edition Nav T D?
The average mileage recorded at MOT tests on the 2020 Vauxhall Astra Business Edition Nav T D is 48,856 miles, which is well above the expected 29,600 miles for a 4-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
Related Vauxhall Models
Explore other Vauxhall cars or similar models in the same category.
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2013 · 1700cc Diesel
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2015 · 1364cc Petrol
Volkswagen Golf
2018 · 1968cc Diesel
Ford Focus
2019 · 1499cc Diesel
Mercedes A
2019 · 1461cc Diesel
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