Rolls-Royce Dawn (2021)
Estimated running costs and MOT pass rates from 60 MOT tests in 2024.
Annual Cost
£2,413
£201/month
MOT Pass Rate
100%
Excellent
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 35-50
6592cc Petrol
Great Choice
100% pass rate, £2,413/year to run. 18 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 18 points above the average of 82% across all models in our data. It also outperforms the Rolls-Royce brand average of 95%.
100% of MOT tests on Rolls-Royce Dawns from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 60 tests across the UK, retests included. The average mileage recorded at those tests was 14,510 miles.
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How Does It Compare?
Mileage Analysis
14,510
Average miles
22,200
Expected for age
The average 2021 Rolls-Royce Dawn had 14,510 miles on the clock at its 2024 MOT, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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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 2018 model has the lowest at 94%. The 2021 scores 100%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Rolls-Royce Dawn by Year
Similar Cars to Consider
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About the 2021 Rolls-Royce Dawn
The 2021 Rolls-Royce Dawn is a luxury car. Our records list a 6592cc petrol engine, though engines vary between versions. 60 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 1% of all 2021 models for MOT pass rate.
With an average of 14,510 miles recorded at its 2024 MOT tests, Rolls-Royce Dawn owners tend to use this car less than the typical driver.
2021 Rolls-Royce Dawn Fuel Costs
The 6592cc 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 2021 Rolls-Royce Dawn?
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 100% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Rolls-Royce Dawn Reliability Trend
Older Rolls-Royce Dawns tend to have better MOT pass rates than newer ones, with an average decline of 4 percentage points across model years.
Buying a Used 2021 Rolls-Royce Dawn
At 5 years old, the Rolls-Royce Dawn 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 2017 model has the highest pass rate at 99%. Note: with only 60 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.
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 2021 Rolls-Royce Dawn 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 |
|---|---|---|---|---|---|
| Rolls-Royce Dawn(2021) | 100% | £1,958 | £200 | Grp 35-50 | £2,413 |
| Ferrari 812 Superfast S-A(2019) | 98% | £1,958 | £200 | Grp 35-50 | £2,413same |
| Rolls-Royce Cullinan V12 Auto(2019) | 100% | £1,958 | £200 | Grp 35-50 | £2,413same |
| Ferrari 812 Superfast GTS S-A(2021) | 100% | £1,958 | £200 | Grp 35-50 | £2,413same |
| Rolls-Royce Cullinan Black Badge Auto(2020) | 99% | £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 2021 Rolls-Royce Dawn
Is the 2021 Rolls-Royce Dawn reliable?
Excellent reliability. Very few MOT failures. 100% of MOT tests on 2021 Rolls-Royce Dawns ended in a pass, from 60 tests (DVSA MOT data for tests in 2024, retests included). That's 18 points above the average of 82% across all models in the same data.
How much does a 2021 Rolls-Royce Dawn 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 2021 Rolls-Royce Dawn?
100% of 60 MOT tests on the 2021 Rolls-Royce Dawn ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 27th of 3,336 models first registered in 2021 (top 1%).
Which year Rolls-Royce Dawn has the best MOT pass rate?
Of the years with at least 100 tests, the 2017 Rolls-Royce Dawn has the highest MOT pass rate at 99% and the 2018 the lowest at 94%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2021 Rolls-Royce Dawn?
The average mileage recorded at MOT tests on the 2021 Rolls-Royce Dawn is 14,510 miles, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Related Rolls-Royce Models
Explore other Rolls-Royce cars or similar models in the same category.
Rolls-Royce Cullinan V12 Auto
2019 · 6749cc Petrol
Rolls-Royce Wraith
2017 · 6592cc Petrol
Ferrari 812 Superfast S-A
2019 · 6496cc Petrol
Rolls-Royce Cullinan V12 Auto
2019 · 6749cc Petrol
Ferrari 812 Superfast GTS S-A
2021 · 6496cc Petrol
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