McLaren 720S V8 S-A (2020)
Estimated running costs and MOT pass rates from 333 MOT tests in 2024.
Annual Cost
£2,413
£201/month
MOT Pass Rate
95%
Excellent
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 35-50
3994cc Petrol
Great Choice
95% pass rate, £2,413/year to run. 13 points above average.
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Annual Running Costs
~30 mpg
Standard rate (from April 2017)
Low estimate due to excellent reliability
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
Excellent reliability. Very few MOT failures. That's 13 points above the average of 82% across all models in our data.
95% of MOT tests on McLaren 720S V8 S-As from 2020 ended in a pass in 2024, when they were about 4 years old. That's based on 333 tests across the UK, retests included. The average mileage recorded at those tests was 11,443 miles.
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How Does It Compare?
Mileage Analysis
11,443
Average miles
29,600
Expected for age
The average 2020 McLaren 720S V8 S-A had 11,443 miles on the clock at its 2024 MOT, which is significantly below the expected 29,600 miles for a 4-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
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Best Year to Buy?
Of the years with at least 100 tests, the 2017 model has the highest MOT pass rate at 99%, while the 2020 model has the lowest at 95%. 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.
McLaren 720S V8 S-A by Year
Similar Cars to Consider
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About the 2020 McLaren 720S V8 S-A
The 2020 McLaren 720S V8 S-A is a luxury car. Our records list a 3994cc petrol engine, though engines vary between versions. 333 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. It ranks in the top 21% of all 2020 models for MOT pass rate.
With an average of 11,443 miles recorded at its 2024 MOT tests, McLaren 720S V8 S-A owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.
2020 McLaren 720S V8 S-A Fuel Costs
The 3994cc 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 McLaren 720S V8 S-A?
Total estimated annual running cost is £2,413 (£201/month), broken down as £1,958 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
McLaren 720S V8 S-A Reliability Trend
The McLaren 720S V8 S-A has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2020 McLaren 720S V8 S-A
At 6 years old, the McLaren 720S V8 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.
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 McLaren 720S V8 S-A 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 |
|---|---|---|---|---|---|
| McLaren 720S V8 S-A(2020) | 95% | £1,958 | £200 | Grp 35-50 | £2,413 |
| Mercedes C(2019) | 91% | £1,958 | £200 | Grp 35-50 | £2,413same |
| Porsche Cayenne(2019) | 95% | £1,958 | £200 | Grp 35-50 | £2,413same |
| Porsche 911(2018) | 96% | £1,958 | £200 | Grp 35-50 | £2,413same |
| Audi A6(2020) | 94% | £1,958 | £200 | Grp 35-50 | £2,413same |
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 McLaren 720S V8 S-A
Is the 2020 McLaren 720S V8 S-A reliable?
Excellent reliability. Very few MOT failures. 95% of MOT tests on 2020 McLaren 720S V8 S-As ended in a pass, from 333 tests (DVSA MOT data for tests in 2024, retests included). That's 13 points above the average of 82% across all models in the same data.
How much does a 2020 McLaren 720S V8 S-A cost to run?
Our estimate is £2,413 a year (£201 a month): £1,958 fuel, £200 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2020 McLaren 720S V8 S-A?
95% of 333 MOT tests on the 2020 McLaren 720S V8 S-A ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 519th of 2,554 models first registered in 2020 (top 21%).
Which year McLaren 720S V8 S-A has the best MOT pass rate?
Of the years with at least 100 tests, the 2017 McLaren 720S V8 S-A has the highest MOT pass rate at 99% and the 2020 the lowest at 95%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2020 McLaren 720S V8 S-A?
The average mileage recorded at MOT tests on the 2020 McLaren 720S V8 S-A is 11,443 miles, which is significantly below the expected 29,600 miles for a 4-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
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