Seat Mii KF
Weaknesses, engine ratings and buying advice
82–83 PS
Elektro 36.8 kWh Elektro
Silently gliding through the city
Decent75 PS
1.0L MPI Benzin
3 weaknesses
Good ChoiceEngine Overview
The Seat Mii KF is available with 4 engine variants — from 60 to 83 hp. 1 variants had engine changes — the model year is crucial.
The Seat 1.0L CNG (CNG, 68 PS) has the CPGA (1.0L CNG) — rated: "Be Careful", 4 known weaknesses.
The Seat 1.0L MPI (Petrol, 60–75 PS) comes with 2 different engines: CHYA (2011–2019, Good Choice) and CHYB (2011–2019, Good Choice). Pay attention to the model year for the 1.0L MPI!
The Seat Mii Electric (Electric, 83 PS) has the Mii-ED (Elektro 36.8 kWh) — rated: "Be Careful", 4 known weaknesses.
The Seat Mii electric 60kW (Electric, 82 PS) has the Mii-ED (Elektro 36.8 kWh) — rated: "Be Careful", 4 known weaknesses.
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Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| ASG automatic: Jerking and sluggish shifting The optional 5-speed ASG gearbox responds sluggishly and jerks on pull-away. Engaging 1st gear and reverse when the engine is warm is particularly problematic. Symptoms: Jerking on pull-away, difficulty engaging 1st gear and reverse when engine is warm from 80,000 km | High |
Test Reports
AUTO BILD TÜV-Report
The Mii passes the roadworthiness inspection without complaints more frequently than the class average, even at higher mileage. Typical weak points are defective rear lights and misaligned low-beam headlights; the exhaust system also attracts attention above average.
2023-01Alternatives
Known Problems and Issues
A total of 20 weaknesses have been documented for the Seat Mii KF (2011–2021) — 15 engine-related and 5 vehicle-related. Typical issues affect Gearbox, Suspension, HVAC, Rust. Considered reliable: CHYA (1.0L MPI), CHYB (1.0L MPI).
Mii (CPGA, 2012–2019) — Be Careful: Corrosion on the CNG tank (CNG system), Recall 24DQ: gas lines insufficiently tightened, CNG injector failure on individual cylinder. Power: 68 PS.
Mii (Mii-ED, 2019–2021) — Be Careful: Recall: High-voltage battery fire risk (2021), HV battery cells fail prematurely, Traction battery capacity loss. Power: 83 PS.
Mii (Mii-ED, 2019–2021) — Be Careful: Recall: High-voltage battery fire risk (2021), HV battery cells fail prematurely, Traction battery capacity loss. Power: 82 PS.
What to watch out for with the Seat Mii? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Seat Mii KF have? +
What should I look for when buying a used Seat Mii KF? +
Which engine is recommended? +
Which Seat Mii KF engine is the most reliable? +
Which Seat Mii KF engine is the most fun? +
Is the Seat Mii KF worth buying used? +
What horsepower variants are available for the Seat Mii KF? +
Last updated: February 2026 · All information without guarantee