Aston Martin Vantage V8 Roadster Auto (2020)
Estimated running costs and MOT pass rates from 47 MOT tests in 2024.
Annual Cost
£2,563
£214/month
MOT Pass Rate
89%
Good
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 35-50
3982cc Petrol
Solid Option
89% pass rate, £2,563/year to run. 7 points above average.
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Annual Running Costs
~30 mpg
Standard rate (from April 2017)
Estimates based on 7,400 miles/year (UK average), petrol at 174.57p 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 falls below the Aston Martin brand average of 94%.
89% of MOT tests on Aston Martin Vantage V8 Roadster Autos from 2020 ended in a pass in 2024, when they were about 4 years old. That's based on 47 tests across the UK, retests included. The average mileage recorded at those tests was 15,152 miles.
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How Does It Compare?
Mileage Analysis
15,152
Average miles
29,600
Expected for age
The average 2020 Aston Martin Vantage V8 Roadster Auto had 15,152 miles on the clock at its 2024 MOT, which is below the expected 29,600 miles for a 4-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Aston Martin Vantage V8 Roadster Auto by Year
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About the 2020 Aston Martin Vantage V8 Roadster Auto
The 2020 Aston Martin Vantage V8 Roadster Auto is a luxury car. Our records list a 3982cc petrol engine, though engines vary between versions. 47 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It sits in the bottom 21% of 2020 models for MOT pass rate.
With an average of 15,152 miles recorded at its 2024 MOT tests, Aston Martin Vantage V8 Roadster Auto owners tend to use this car less than the typical driver.
2020 Aston Martin Vantage V8 Roadster Auto Fuel Costs
The 3982cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,958 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).
What does it cost to own a 2020 Aston Martin Vantage V8 Roadster Auto?
Total estimated annual running cost is £2,563 (£214/month), broken down as £1,958 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 Aston Martin Vantage V8 Roadster Auto
At 6 years old, the Aston Martin Vantage V8 Roadster Auto offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 47 tests in our data, these figures should be treated as indicative rather than definitive.
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.
Timing Chain / Belt
Watch outAt 6 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
Oil Consumption
Low riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
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 Aston Martin Vantage V8 Roadster Auto 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 |
|---|---|---|---|---|---|
| Aston Martin Vantage V8 Roadster Auto(2020) | 89% | £1,958 | £200 | Grp 35-50 | £2,563 |
| Mercedes C(2019) | 91% | £1,958 | £200 | Grp 35-50 | £2,413-£150 |
| Porsche Cayenne(2019) | 95% | £1,958 | £200 | Grp 35-50 | £2,413-£150 |
| Porsche 911(2018) | 96% | £1,958 | £200 | Grp 35-50 | £2,413-£150 |
| Audi A6(2020) | 94% | £1,958 | £200 | Grp 35-50 | £2,413-£150 |
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 Aston Martin Vantage V8 Roadster Auto
Is the 2020 Aston Martin Vantage V8 Roadster Auto reliable?
Good reliability. Occasional issues but generally solid. 89% of MOT tests on 2020 Aston Martin Vantage V8 Roadster Autos ended in a pass, from 47 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 Aston Martin Vantage V8 Roadster Auto cost to run?
Our estimate is £2,563 a year (£214 a month): £1,958 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 Aston Martin Vantage V8 Roadster Auto?
89% of 47 MOT tests on the 2020 Aston Martin Vantage V8 Roadster Auto ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 2035th of 2,554 models first registered in 2020 (bottom 21%).
What is the average mileage for a 2020 Aston Martin Vantage V8 Roadster Auto?
The average mileage recorded at MOT tests on the 2020 Aston Martin Vantage V8 Roadster Auto is 15,152 miles, which is below the expected 29,600 miles for a 4-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Related Aston Martin Models
Explore other Aston Martin cars or similar models in the same category.
Aston Martin Vantage
2019 · 3982cc Petrol
Aston Martin DB9
2005 · 5935cc Petrol
Aston Martin DB11
2017 · 3982cc Petrol
Mercedes C
2019 · 3982cc Petrol
Porsche Cayenne
2019 · 3996cc Petrol
Porsche 911
2018 · 3996cc Petrol
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