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VAUXHALL ASTRA BUSINESS EDITION NAV T D (2020)

Running costs, reliability data, and common problems from 1,545 real MOT tests.

Annual Cost

£1,505

£125/month

MOT Pass Rate

89%

Good

Road Tax

£195

Flat rate/year

Insurance

Grp 12-25

1496cc Diesel

Solid Option

89% pass rate, £1505/year to run. 7 points above average.

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Diesel1496cc6 years old1,545 tests49k miles avg

Annual Running Costs

Fuel (Diesel, 1496cc)

~55 mpg

£905
Road Tax

Flat rate (post-2017)

£195
MOT Test
£55
Predicted Repairs
£350
Total per year£1,505
Per month£125/mo
Per week£29/wk

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

89% MOT pass rate(Good)
0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%. It also outperforms the VAUXHALL brand average of 84%.

At 6 years old, 89% of VAUXHALL ASTRA BUSINESS EDITION NAV T Ds from 2020 passed their MOT first time in 2026. That's based on 1,545 tests across the UK. The average mileage at this age is 48,856 miles.

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How Does It Compare?

Rank among 2020 cars1959th of 2,596(top 75%)
Rank among VAUXHALL models331th of 882(top 38%)
vs national average+7%(82% avg)
vs 2020 cars average-3%(92% avg)
vs VAUXHALL average+5%(84% avg)

Mileage Analysis

48,856

Average miles

vs

44,400

Expected for age

The average 2020 VAUXHALL ASTRA BUSINESS EDITION NAV T D has 48,856 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 91% MOT pass rate, while the 2020 model has the lowest at 89%. Consider a different year if reliability is a priority.

VAUXHALL ASTRA BUSINESS EDITION NAV T D by Year

YearPass RateTestsAvg Mileage
202191%97641,077 mi
202089%1,54548,856 mi

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 with a 1496cc diesel engine. 1,545 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.

With an average of 48,856 miles at 6 years old, VAUXHALL ASTRA BUSINESS EDITION NAV T D owners drive about as much as the UK average.

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 £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 VAUXHALL ASTRA BUSINESS EDITION NAV T D?

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 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

Based on the 2020 VAUXHALL ASTRA BUSINESS EDITION NAV T D's fuel type, age, and engine size, these are the most likely problem areas to check.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Medium risk

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Service History

Low risk

Always 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 annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
VAUXHALL ASTRA BUSINESS EDITION NAV T D(2020)89%£905£195Grp 12-25£1505
VOLKSWAGEN GOLF(2018)92%£1037£190Grp 18-32£1482-£23
FORD FOCUS(2019)89%£905£190Grp 12-25£1500-£5
MERCEDES A(2019)91%£905£190Grp 12-25£1350-£155
MERCEDES A-CLASS(2018)89%£905£190Grp 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 Vauxhall Models

Explore other Vauxhall cars or similar models in the same category.

Related Guides

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