Seat Leon KL
Weaknesses, engine ratings and buying advice
310 PS
2.0L TSI Benzin
310 hp AWD estate — insane
Legendary!190 PS
2.0L TSI Benzin
4 weaknesses
Good ChoiceBody Variants
The Seat Leon KL is available as Hatchback and ST — choose your body type for specific insurance data:
Generations
Engine Overview
The Seat Leon KL is available with 14 engine variants — from 110 to 310 hp. 1 variants had engine changes — the model year is crucial.
The Seat 2.0L TDI (Diesel, 116–150 PS) comes with 2 different engines: DSUD (2020–2026, Be Careful) and DSTB (2020–2026, Good Choice). Pay attention to the model year for the 2.0L TDI!
The Seat 1.0L TSI (Petrol, 110–116 PS) has the DLAA (1.0L TSI) — rated: "Good Choice", 9 known weaknesses.
The Seat 1.0L TSI (Petrol Mild-Hybrid, 110–116 PS) has the DLAA (1.0L TSI) — rated: "Good Choice", 9 known weaknesses.
The Seat 1.4L e-Hybrid (Petrol Plug-in-Hybrid, 204 PS) has the DGEA (1.4L e-Hybrid) — rated: "Be Careful", 6 known weaknesses.
The Seat 1.5L eTSI (Petrol Mild-Hybrid, 149–150 PS) has the DFYA (1.5L eTSI) — rated: "Be Careful", 7 known weaknesses.
The Seat 1.5L TSI (Petrol, 149–150 PS) has the DPCA (1.5L TSI) — rated: "Good Choice", 9 known weaknesses.
The Seat 2.0L TSI (Petrol, 190 PS) has the DNN (2.0L TSI) — rated: "Good Choice", 4 known weaknesses.
The Seat Leon 1.5 TSI 116 (Petrol, 115 PS) has the DPCA (1.5L TSI) — rated: "Good Choice", 9 known weaknesses.
The Seat Leon 1.5 TSI 116 mHEV (Petrol Mild-Hybrid, 115 PS) has the DPCA (1.5L TSI) — rated: "Good Choice", 9 known weaknesses.
The Seat Leon 1.5 TSI 130 (Petrol, 131 PS) has the DPBA (1.5L TSI) — rated: "Good Choice", 9 known weaknesses.
The Seat Leon Cupra 245 (Petrol, 245 PS) has the DNPA (2.0L TSI) — rated: "Good Choice", 5 known weaknesses.
The Seat Leon Cupra 245 ST (Petrol, 245 PS) has the DNPA (2.0L TSI) — rated: "Good Choice", 5 known weaknesses.
The Seat Leon Cupra 310 4Drive ST (Petrol, 310 PS) has the DNFB (2.0L TSI) — rated: "Good Choice", 5 known weaknesses.
The Seat Leon ST 1.5 TSI 130 (Petrol, 131 PS) has the DPBA (1.5L TSI) — rated: "Good Choice", 9 known weaknesses.
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Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Infotainment MIB3: Software bugs and system crashes The MIB3 infotainment system shows software bugs such as screen crashes and camera failures. Software updates fix most of the problems. Symptoms: Black screen, reversing camera non-functional, error messages for airbag or start-stop from 30,000 km | Low | |
| Reversing camera remains black The reversing camera no longer shows an image, usually caused by a defective control unit or cable break at the connector. Software version 1896 partially resolves the issue. Symptoms: Black image when reverse gear is engaged, intermittent camera failure from 40,000 km | Low | |
| Front low-beam flagged at roadworthiness inspection Front lighting is rated as somewhat critical in TÜV reports. LED control units can fail, and headlight lenses show premature fogging. Symptoms: Low-beam flickers or fails on one side, moisture inside the headlight housing from 60,000 km | Medium |
Test Reports
AUTO BILD TÜV-Report
The fourth Leon generation is the most reliable of the range and shows hardly any mechanical defects at the roadworthiness inspection. Complaints are limited to occasional issues with driver assistance systems and DSG clutch comfort.
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Known Problems and Issues
A total of 74 weaknesses have been documented for the Seat Leon KL (2020–2026) — 64 engine-related and 10 vehicle-related. Typical issues affect Electronics, Other, Gearbox, Suspension. Considered reliable: DLAA (1.0L TSI), DPCA (1.5L TSI), DNN (2.0L TSI).
Leon (DSUD, 2020–2026) — Be Careful: EGR Cooler Crack and Coolant Loss, Oil Bath Timing Belt for Oil Pump, Water Pump and Overheating Risk (Early Production). Power: 116 PS.
Leon (DFYA, 2020–2026) — Be Careful: EGR Valve and EGR Cooler Failure EA288 Leon 5F, Timing drive oil-bath belt EA288, Increased Oil Consumption EA288 Evo. Power: 149–150 PS.
Leon (DGEA, 2020–2026) — Be Careful: HV Coolant Circuit Loss Leon PHEV, High-Voltage Battery Cell Failure (Service Action 93P7), 12V Battery Issues Leon e-Hybrid. Power: 150 PS.
What to watch out for with the Seat Leon? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Seat Leon KL have? +
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Which Seat Leon KL engine is the most reliable? +
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Last updated: February 2026 · All information without guarantee