Seat Mii Electric Valuation: 29 used car listings analysed

Market overviewPrices and data for March-2026: There are currently 29 used Seat Mii Electric (model years 2020 - 2021) available. Prices range from £7,980 to £10,000, with a median price of £8,990. The most common configuration on the market is a combination of hatchback, electric, and automatic, while the most popular trims include SE. Market dynamics indicate that a vehicle sells in an average of 34 days, and 44.8% of listings have recently seen a price reduction (with discounts up to £759). Additionally, 0 vehicles are currently listed below market value. An indicator of durability: the inventory includes models with a mileage of up to 40,319 km (Source: 42 scanned sites).

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Showing 1 - 25 of 29 results

How much does the Seat Mii Electric depreciate?

Used Seat Mii Electric

A used Seat Mii Electric (2021) model loses about £125 per month in value.


Factors that affect the depreciation of a Seat Mii Electric:
- Mileage driven
- Maintenance
- Service history


Depreciation is an important part of calculating the total cost of owning a Seat Mii Electric. In addition to the monthly depreciation of £125, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.

How much does a used Seat Mii Electric cost? Prices, ratings and depreciation by model year

How much does a used Seat Mii Electric cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2021 Seat Mii Electric

£7,980 - £10,000£8,93726,100 miles-£1,50018

2020 Seat Mii Electric

£7,990 - £9,784£8,74624,900 miles-£66011

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 28 March 2026

Comparison of Seat Mii Electric variants and prices

No market data available

Seat Mii Electric (model year 2021) - Price development for the last 12 months and price projection for the next 6 months (March 2025 - August 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - March
£10,220
£9,680£10,780
Estimate
2025 - April
£9,960
£9,420£10,520
Estimate
2025 - May
£9,640
£8,980£10,300
Estimate
2025 - June
£9,540
£8,940£10,140
Estimate
2025 - July
£9,340
£8,840£9,820
Estimate
2025 - August
£9,160
£8,740£9,580
Estimate
2025 - September
£9,600
£8,940£10,240
Estimate
2025 - October
£9,700
£9,000£10,400
Estimate
2025 - November
£9,520
£9,000£10,040
Estimate
2025 - December
£9,280
£8,780£9,800
Estimate
2026 - January
£9,160
£8,540£9,780
Estimate
2026 - February
£8,720
£8,220£9,240
Estimate
2026 - April
£8,380
--
Forecast
2026 - May
£8,200
--
Forecast
2026 - June
£8,040
--
Forecast
2026 - July
£7,860
--
Forecast
2026 - August
£7,680
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: 28 March 2026

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

-£1,500

Next 6 months

-£1,040

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Are you looking for a used Seat Mii Electric?

Are you considering getting a used mini car? The Seat Mii Electric is a solid choice. There are 37 used Seat Mii Electrics currently available on AutoUncle gathered from various dealership websites and online marketplaces.

How much does a used Seat Mii Electric cost?

A used Seat Mii Electric costs between £7,690 for the cheapest variant and £9,948 for the most expensive model.

A used Seat Mii Electric is valued at different prices depending on mainly five factors: what year the car is from, engine size and power, the car's fuel efficiency, the car's mileage along with equipment variant.

For example, a newer model with fewer miles recorded, or a more luxurious variant with a powerful engine, typically commands a higher price than a car from an older model year, with higher mileage and no optional extras.

What equipment packages does the Seat Mii Electric offer?

The Seat Mii Electric has an equipment variant called Seat Mii Electric SE.

While evaluating the cost of a pre-owned Seat Mii Electric, it's crucial to evaluate vehicles with equivalent engines and accessories. If you don't, you might draw an inaccurate conclusion about which car to acquire.

Is the Seat Mii Electric available in different fuel variants?

El is the singular fuel variant for the Seat Mii Electric. We have thirty-seven cars in the range right now at an average price of £8,607.

We highly recommend thinking about your driving habits before deciding between the different fuel types. Do you tend to drive in the city or on open roads and motorways? How many miles do you drive in an average week?

If you mostly drive short trips, electric cars, plug-in hybrids or petrol cars may be relevant. If you have a daily commute over longer distances, a modern electric car can be a great choice - especially if you have access to charging at home or at work. Despite the rise of electric cars, diesel can still be useful for long journeys and lack of charging options. Keep in mind that diesel engines with high emissions have been banned from entering cities in a range of countries.

The use of electric cars is on the rise

In the UK, the growing appeal of electric cars can be attributed to their environmental merits, lesser fuel and maintenance, and governmental measures targeting carbon emission reduction, which encompass incentives for buyers of these vehicles. The integration of hybrid vehicles such as the Seat Mii Electric is fundamental in the changeover to more sustainable and eco-friendly transport options.

Positive aspects of selecting a used electric car

There are plenty of advantages in acquiring a used electric vehicle. Some of the benefits are:

  1. Lower purchase price: Pre-owned electric cars usually come at a lower cost compared to new ones. This more economical cost broadens the accessibility of EV technology to a greater variety of purchasers.

  2. Environmental impact: Going for a previously owned electric vehicle rather than a new one further minimises environmental impact. The manufacture of a new automobile, especially its battery, generates a considerable amount of carbon emissions. Purchasing pre-owned implies you're not adding to this environmental burden.

  3. Improved battery life: The worry about battery longevity in EVs has lessened as technological capabilities have improved. Many previously owned electric vehicles have a considerable amount of their battery life intact, and the costs for battery replacements are reducing.

  4. Performance and technology: A great deal of today's electric vehicles provide outstanding performance and the latest technological advancements. Even models that are a few years old can still provide a high-tech driving experience.

  5. Government incentives: Though not as much as with new electric vehicles, used electric cars might still qualify for government subsidies, such as reduced road tax and access to low-emission zones.

Are there different body versions of Seat Mii Electric?

On AutoUncle, the Seat Mii Electric is exclusively offered in the hatchback body style. Hatchbacks are versatile compact cars that meld superb driving dynamics with a surprisingly spacious interior. Their popularity soars among city dwellers, given their fuel efficiency and ease of parking.

What other cars should I consider?

The Seat Mii Electric faces stiff competition within its segment.

Most popular choices as an alternative to the Seat Mii Electric

  • Fiat 500
  • Hyundai i10
  • Kia Picanto

The Fiat 500 is a strong alternative to the Seat Mii Electric. It has an average sales price of £6,499 and right now you can find 3,250 of this car for sale on AutoUncle.

The Hyundai i10 is another popular choice in this segment, with 1,842 cars for sale and an average price of £11,900. The Kia Picanto comes in as the third most popular choice with an average sales price of £10,249 and 1,638 car for sale at the moment in the UK.