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Fiat 500e vs SEAT Mii Electric
Selected trimIconChange trim118 mi · 24 kWh · £20,995
Selected trimStandard · 2020-21161 mi · 36.8 kWh · £22,800
At a glance
In this comparison, Fiat 500e leads on family practicality, charging speed and running costs, while the SEAT Mii Electric stays competitive across the board.
Which should you choose?
Choose the Fiat 500e if...
- you need the most family-friendly option with good safety and space
- you need the fastest charging of these options
- you want the lowest running costs - from just 1.7p per mile on off-peak electricity
How we reached the recommendation
Verdict
Our take
The Fiat 500e leads in the most categories, but each car here has its strengths.
Value
Fiat
5.5
SEAT
5.3
Too close to call
Motorway Range
Fiat
3.3
SEAT
3.1
Too close to call
FamilyFiat
Fiat
4.7
SEAT
4.2
ChargingFiat
Fiat
4
SEAT
0.7
Cost Per MileFiat
Fiat
9.1
SEAT
7
City Driving
Fiat
9.6
SEAT
9.6
Too close to call
What each car does better
See the specification differences behind the verdict, with supporting figures for each advantage.
Key specifications
Compare the key specifications for your selected trims.
| Measure | Fiat 500eIcon | SEAT Mii ElectricBase |
|---|---|---|
| Price | £20,995 (better) | £22,800 |
| Official range | 118 miles | 161 miles (better) |
| Boot space | 185 L | 251 L (better) |
| 10-80% rapid charge | 30 min (better) | 60 min |
| 0-62 mph | 9.5 sec (better) | 12.3 sec |
Size Comparison
View:
Align by:
Fiat 500e
SEAT Mii Electric
Length
Fiat 500e3,632mm
SEAT Mii Electric3,557mm-75mm
Width
Fiat 500e1,683mm
SEAT Mii Electric1,645mm-38mm
Height
Fiat 500e1,527mm
SEAT Mii Electric1,478mm-49mm
Space, size & parking
Parking & manoeuvring
Compare exterior dimensions to assess how each car fits UK parking spaces.
| Measure | Fiat 500eIcon | SEAT Mii ElectricBase |
|---|---|---|
| Length | 3,632 mm | 3,557 mm |
| Width (mirrors folded) | 1,683 mm | 1,645 mm (better) |
| Width with mirrors out | 1,900 mm (better) | 1,910 mm |
| Height | 1,527 mm | 1,478 mm |
| Turning circle | 9.7 m (better) | 9.8 m |
| Clearance in a standard bayA standard UK parking bay is 2,400 mm wide. | 717 mm spare | 755 mm spare (better) |
People & luggage
Compare seating, child-seat mounting points, boot space and towing capacity.
| Measure | Fiat 500eIcon | SEAT Mii ElectricBase |
|---|---|---|
| Seats | 4 | 4 |
| ISOFIX child-seat points | Not available | 2 |
| Boot space (seats up) | 185 L | 251 L (better) |
| Boot space (seats down) | Not available | 923 L |
| Towing capacity (braked) | Not available | 0 kg |
How each stacks up
Percentile ranks against UK EVs of the same body style.
Fiat 500e
- Eligible for the full £3,750 UK Electric Car Grant, one of 8 hatchback EVs we track that qualifies for the top band.
- At 3,632 mm, shorter than 90% of hatchback EVs in our UK catalogue.
- 9.7 m turning circle, tighter than 80% of hatchback EVs in our database.
SEAT Mii Electric
- At 3,557 mm, shorter than 95% of hatchback EVs in our UK catalogue.
- 1,645 mm wide, below our 1,750 mm narrow-car threshold.
Full specifications
| Specification |  Fiat 500e Icon |  SEAT Mii Electric Base |
|---|---|---|
| Dimensions | ||
| Length | 3.63m | 3.56m-75mm |
| Width | 1.68m | 1.65m-38mm |
| Width (mirrors) | 1.90m | 1.91m+10mm |
| Height | 1.53m | 1.48m-49mm |
| Wheelbase | 2.32m | 2.42m+98mm |
| Ground Clearance | Not available | 138mm |
| Capacity | ||
| Boot (seats up) | 185L | 251L (better) |
| Boot (seats down) | Not available | 923L |
| Seats | 4 | 4 |
| Practicality | ||
| Turning Circle | 9.7m (better) | 9.8m |
| Kerb Weight | 1,265kg | 1,235kg (better) |
| Electric | ||
| Battery | 24kWh | 36.8kWh (better) |
| Range (WLTP) | 118 mi | 161 mi (better) |
| Max DC Charge | 50kW (better) | 40kW |
| Pricing | ||
| UK MSRP | £20,995 (better) | £22,800 |
| Price after EV grant | £17,245 (-£3,750) | £22,800 (not eligible) |
| Details | ||
| Body Style | Hatchback | Hatchback |
| Available | 2020+ | 2020–2021 |
Range & charging
Range, charging & battery
Check official and estimated driving range alongside charging speeds, efficiency and battery technology.
| Measure | Fiat 500eIcon | SEAT Mii ElectricBase |
|---|---|---|
| Official range (WLTP) | 118 miles | 161 miles (better) |
| Estimated motorway rangeEVcarsguide estimate at sustained motorway speed. | 98 miles | 134 miles (better) |
| 10-80% rapid charge time | 30 min (better) | 60 min |
| Max rapid charge rate | 50 kW (better) | 40 kW |
| Home AC charging | 11 kW (better) | 7.2 kW |
| Usable battery capacity | 24 kWh | 32.3 kWh (better) |
| Battery chemistry | NMC | NMC |
| Battery architecture | 400V | 400V |
| Heat pump | Not available | Not standard |
Driving & everyday use
Performance & drivetrain
Compare acceleration, power and drivetrain specifications for the selected trims.
| Measure | Fiat 500eIcon | SEAT Mii ElectricBase |
|---|---|---|
| 0-62 mph | 9.5 sec (better) | 12.3 sec |
| Power | 70 kW (better) | 61 kW |
| Torque | 220 Nm (better) | 212 Nm |
| Drivetrain | FWD | FWD |
What the critics say
See how UK motoring publications rate each car in their road tests.
Fiat 500e
Icon
SEAT Mii Electric
Base
Watch the reviews
Watch selected video reviews here, or visit each model page for the full collection.
Fiat 500e
All 3 videos
Reviews and videos discuss each model overall; the specifications above apply to your selected trims.
Prices & deals
New and used prices
Current pricing and recent used-market behaviour.
| Measure | Fiat 500eIcon | SEAT Mii ElectricBase |
|---|---|---|
| Used market price from | £9,772 | £7,975 |
| Average used price | £10,484 | £8,999 |
Used prices are indicative figures gathered from independent UK dealer listings and change frequently.
Calculate your real costs
For a useful running-cost comparison, factor in your mileage, charging access and current petrol or diesel car alongside the EV estimate.
Compare with petrol or diesel
Compare purchase price, energy, road tax and maintenance with a petrol or diesel alternative.
Calculate company-car tax
Work out monthly Benefit-in-Kind using current and future HMRC rates.
Cost per mile
Compare EV charging costs per mile with petrol and diesel using your charging options.
Check a lease quote
Assess the effective monthly cost alongside the list price and expected depreciation.
Safety & ownership confidence
Euro NCAP - Fiat 500e Icon
Tested 2021
Adult Occupant76%
Child Occupant80%
Vulnerable Road Users67%
Safety Assist67%
Full result on euroncap.com (opens in new tab)
Euro NCAP - SEAT Mii Electric Base
Tested 2019
Adult Occupant81%
Child Occupant83%
Vulnerable Road Users46%
Safety Assist55%
Full result on euroncap.com (opens in new tab)
Warranty
Check the published battery warranty cover for each selected trim.
| Measure | Fiat 500eIcon | SEAT Mii ElectricBase |
|---|---|---|
| Battery warranty | 8 years | 8 years |
| Battery warranty distance | 160,934 km (better) | 160,000 km |
What owners say
Aggregated from UK owner forums and communities - the things you only learn after living with the car.
Shared watch-outs for both cars
Owners of every car here flag real-world range, dealer & service support. Worth checking on a test drive whichever you choose.
Fiat 500e
Icon
Owners love
- Owners love the style, the quality of the cabin and how fun, quick and easy to park it is in town.
- Running costs are very low on an off-peak home tariff, and many owners rarely need public charging.
- The touchscreen with wireless phone mirroring and the driver-assist systems work well for the price.
Watch out for
- Range is below the official figure: owners of 42 kWh cars report around 150 to 160 miles in summer and 120 or less in winter.
- It is small inside: tight rear seats, a small boot and no frunk.
- The Fiat app and some infotainment features are buggy, and dealers often lack technical knowledge.
Owner tips
- Plan on about 150 miles in summer and 120 in winter from a 42 kWh car.
- Look for LED headlights and the six-way adjustable driver's seat if those matter to you.
SEAT Mii Electric
Base
Owners love
- Excellent acceleration and nimble handling make it fun and engaging to drive in city environments
- Automatic gearbox offers convenience and accessibility for all drivers
- Regenerative braking (B mode) effectively recharges the battery during deceleration
Watch out for
- SEAT Connect app is frequently unreliable, with activation, mileage recognition, and connectivity issues affecting many owners
- AC charging defaults to 3.5-3.6kW instead of full 7.2kW capability, requiring complex app workarounds to unlock
- Home charger installation costs are prohibitively expensive (over £600), making it a significant barrier for many buyers
Owner tips
- If the car charges at only about 3.6 kW at home, owners report that lowering the maximum charging current in the app, syncing, then setting it back to maximum unlocks the full 7.2 kW; SEAT support can activate the eSIM and make you the primary user
- For home charging without an expensive wallbox installation, a standard 13A socket on a dedicated circuit is sufficient for overnight charging on short-commute usage patterns
Buying options
Get a quote
Fiat 500e
Used on AutoTraderLease deals
SEAT Mii Electric
Used on AutoTraderLease deals
Live used listings
Active inventory from independent UK dealers.
Fiat 500e
- £15,1002022EV ExpertsView
- £11,0952021Drive GreenView
- £11,2952022Drive GreenView
SEAT Mii Electric
No active listings.
Frequently asked questions
Is the SEAT Mii Electric worth the extra £1,805 over the Fiat 500e?
The SEAT Mii Electric costs £1,805 more than the Fiat 500e. For that premium it adds 43 miles more WLTP range and 66 litres more boot space. The Fiat 500e is not just cheaper - it also offers a 2.8s quicker 0-62mph time. On EVcarsguide's combined category scores, the Fiat 500e comes out ahead overall.
Which is cheaper to own over 5 years, the Fiat 500e or the SEAT Mii Electric?
The Fiat 500e is £1,805 cheaper to buy. Running costs are almost identical - about £136 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Fiat 500e comes out roughly £1,885 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.
What are the Fiat 500e and SEAT Mii Electric like on a long motorway trip?
EVcarsguide estimates a real-world motorway range of about 98 miles for the Fiat 500e and 134 miles for the SEAT Mii Electric - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The SEAT Mii Electric goes roughly 36 miles further between charging stops. A rapid charge to 80% takes around 30 minutes in the Fiat 500e and 60 in the SEAT Mii Electric, so the Fiat 500e loses less time at each stop. So the SEAT Mii Electric stops less often while the Fiat 500e stops for less time - pick on which you would rather do.
Which is easier to park and drive in town, the Fiat 500e or the SEAT Mii Electric?
The SEAT Mii Electric is the easier car for tight UK car parks: it is 38 mm narrower than the Fiat 500e. In a standard 2,400 mm bay that leaves about 755 mm of total clearance for the SEAT Mii Electric and about 717 mm of total clearance for the Fiat 500e.
Which battery will hold up better as a used buy, the Fiat 500e or the SEAT Mii Electric?
Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Fiat 500e and 84% for the SEAT Mii Electric. That is close enough that capacity loss should not decide between them. Both use NMC-type cells, so for daily use keep the charge limit near 80% to slow degradation. Both batteries carry a 8-year manufacturer warranty.
Go deeper on each car
Visit the full model pages for owner feedback, expert reviews, used prices and battery-health information.
Compare against other rivals
Compare similarly sized and priced electric cars before finalising your shortlist.
More Fiat 500e comparisons
More SEAT Mii Electric comparisons
See both cars in our rankings
EVcarsguide scores every verified EV on price, range, family use and running costs. Here is where this pair appears.
Where the Fiat 500e and SEAT Mii Electric rank among EVs under £30,000Where the Fiat 500e and SEAT Mii Electric rank among EVs under £40,000Where the Fiat 500e and SEAT Mii Electric rank among the best small electric carsWhere the Fiat 500e and SEAT Mii Electric rank among the best motorway EVsWhere the Fiat 500e and SEAT Mii Electric rank among the best city EVsWhere the Fiat 500e and SEAT Mii Electric rank among the cheapest EVs to run
If neither is quite right
Explore other verified electric cars that may better suit the priorities this pair does not meet.
Further reading
Explore buying and ownership guides to help you choose between these electric cars.
GuideUsed Fiat 500e buyer's guide (2021-on)
Buying a used Fiat 500e: the 24 kWh and 42 kWh batteries, realistic range, what owners report, recalls and what to pay in 2026, plus why a new one may cost little more.
GuideUsed VW e-up!, SEAT Mii Electric and Skoda Citigo e iV buyer's guide
Buying a used VW e-up! or its twins, the SEAT Mii Electric and Skoda Citigo e iV: the 18.7 and 32.3 kWh versions, the 7 kW charging setting, range, owner reports and what to pay in 2026.
Data accuracy
Specs are sourced from manufacturer websites and manually reviewed. These figures were last verified .