MG 4 SE (2023)
Estimated running costs and MOT pass rates from 836 MOT tests in 2024.
Annual Cost
£1,010
£84/month
MOT Pass Rate
95%
Excellent
Road Tax
£200
Standard rate/year
Est. Insurance
n/a
Electric
Great Choice
95% pass rate, £1,010/year to run. 13 points above average.
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Annual Running Costs
Home charging at about 7.5p a mile
Standard rate (from April 2017)
Low estimate due to excellent reliability
Estimates based on 7,400 miles/year (UK average), home charging at about 7.5p a mile, 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. It also outperforms the MG brand average of 86%.
95% of MOT tests on MG 4 SEs from 2023 ended in a pass in 2024, when they were about a year old. That's based on 836 tests across the UK, retests included. The average mileage recorded at those tests was 22,265 miles.
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How Does It Compare?
Mileage Analysis
22,265
Average miles
7,400
Expected for age
The average 2023 MG 4 SE had 22,265 miles on the clock at its 2024 MOT, which is well above the expected 7,400 miles for a 1-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
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About the 2023 MG 4 SE
The 2023 MG 4 SE is an electric car. Our records list it as electric. 836 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. Among all models from 2023, the average MOT pass rate is 95%, and this model matches that benchmark.
With an average of 22,265 miles recorded at its 2024 MOT tests, MG 4 SE owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
What does it cost to own a 2023 MG 4 SE?
Total estimated annual running cost is £1,010 (£84/month), broken down as £555 electricity, £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.
Buying a Used 2023 MG 4 SE
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.
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.
Battery Degradation
Medium riskAfter 3 years, expect some battery capacity loss. Check the battery health report for state of health (SoH). Below 80% significantly reduces range.
Charging Port
Medium riskCharging connectors and ports can develop issues from regular use. Check both AC and DC charging work correctly before purchasing.
Software Updates
Low riskOlder EVs may miss out on manufacturer software updates that improve range and features. Check the infotainment system is up to date.
12V Auxiliary Battery
Low riskEVs still have a standard 12V battery for accessories. These drain faster than in petrol cars and can leave you stranded if flat. Replacement is £100-£200.
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 2023 MG 4 SE 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 |
|---|---|---|---|---|---|
| MG 4 SE(2023) | 95% | £555 | £200 | n/a | £1,010 |
| Tesla Model 3 Long Range Awd(2021) | 88% | £555 | £200 | n/a | £1,160+£150 |
| Tesla Model 3 Standard Range +(2021) | 88% | £555 | £200 | n/a | £1,160+£150 |
| Nissan Leaf(2021) | 94% | £555 | £200 | n/a | £1,010same |
| Kia Niro 4 + EV(2021) | 93% | £555 | £200 | n/a | £1,010same |
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 2023 MG 4 SE
Is the 2023 MG 4 SE reliable?
Excellent reliability. Very few MOT failures. 95% of MOT tests on 2023 MG 4 SEs ended in a pass, from 836 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 2023 MG 4 SE cost to run?
Our estimate is £1,010 a year (£84 a month): £555 electricity, £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 2023 MG 4 SE?
95% of 836 MOT tests on the 2023 MG 4 SE ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 88th of 165 models first registered in 2023 (bottom half).
What is the average mileage for a 2023 MG 4 SE?
The average mileage recorded at MOT tests on the 2023 MG 4 SE is 22,265 miles, which is well above the expected 7,400 miles for a 1-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
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