Seat Leon 1P
Weaknesses, engine ratings and buying advice
239–241 PS
2.0L TFSI Benzin
Leon Cupra 1P — pure insanity
Legendary!102–105 PS
1.6L MPI Benzin
9 weaknesses
Good Choice105 PS
1.6L TDI Diesel
12 weaknesses
Stay Away!Generations
Engine Overview
The Seat Leon 1P is available with 11 engine variants — from 101 to 241 hp. 1 variants had engine changes — the model year is crucial.
The Seat 1.6L TDI (Diesel, 105 PS) has the CAYC (1.6L TDI) — rated: "Stay Away!", 12 known weaknesses.
The Seat 1.9L TDI (Diesel, 101–110 PS) has the BXE (1.9L TDI) — rated: "Be Careful", 3 known weaknesses.
The Seat 2.0L TDI (Diesel, 136–140 PS) has the AZV (2.0L TDI) — rated: "Stay Away!", 4 known weaknesses.
The Seat Leon FR (Diesel, 170 PS) has the BMN (2.0L TDI) — rated: "Be Careful", 4 known weaknesses.
The Seat 1.4L TSI (Petrol, 122–125 PS) has the CAXC (1.4L TSI) — rated: "Stay Away!", 3 known weaknesses.
The Seat 1.6L MPI (Petrol, 102–105 PS) has the BSE (1.6L MPI) — rated: "Good Choice", 9 known weaknesses.
The Seat 1.8L TSI (Petrol, 160 PS) has the CDAA (1.8L TSI) — rated: "Stay Away!", 9 known weaknesses.
The Seat Leon 2.0 TFSI 185 (Petrol, 185 PS) has the BWA (2.0L TFSI) — rated: "Be Careful", 3 known weaknesses.
The Seat Leon Cupra (Petrol, 240 PS) has the BWJ (2.0L TFSI) — rated: "Be Careful", 4 known weaknesses.
The Seat Leon Cupra 2.0 TFSI 240 (Petrol, 241 PS) has the BWJ (2.0L TFSI) — rated: "Be Careful", 4 known weaknesses.
The Seat Leon FR (Petrol, 200–211 PS) comes with 2 different engines: BWA (2005–2009, Be Careful) and CCZB (2009–2012, Stay Away!). Pay attention to the model year for the Leon FR!
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Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| DSG gearbox: Jerking and shift problems The DSG gearbox (DQ200 7-speed) caused numerous complaints on the Leon 1P: jerky gear changes, jerking on pull-away, and gearbox failures. Symptoms: Jerking on pull-away, hesitant gear changes, vehicle hesitates when accelerating from 80,000 km | High |
Test Reports
AUTO BILD TÜV-Report
The second Leon generation shows the weakest roadworthiness inspection results of all Leon generations: defective timing chains in TSI engines, dual-clutch gearbox problems, and increased brake disc wear frequently occur together.
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Known Problems and Issues
A total of 69 weaknesses have been documented for the Seat Leon 1P (2005–2012) — 61 engine-related and 8 vehicle-related. 5 problem engines: CAXC (1.4L TSI), CAYC (1.6L TDI), CDAA (1.8L TSI), CCZB (2.0L TSI), AZV (2.0L TDI). Typical issues affect Gearbox, Rust, Body, Brakes. Considered reliable: BSE (1.6L MPI).
Leon (ASZ, 2003–2006) — Be Careful: Timing belt failure — interference engine (sport TDI), Camshaft and hydraulic tappet wear, Turbocharger GT1749VA worn. Power: 131 PS.
Leon (BXE, 2005–2009) — Be Careful: Connecting rod bearing damage (105 hp BXE known issue), Timing belt replacement interval, Camshaft wear (PD-TDI). Power: 101–110 PS.
Leon (AZV, 2005–2009) — Stay Away!: Timing belt failure 2.0 TDI PD 16V, Unit injector element failure PD engine, Oil pump drive wear — imminent engine damage. Power: 136–140 PS.
Leon (BMN, 2006–2012) — Be Careful: Piezo PDE failure BMN 170 hp, Timing belt failure BMN 2.0 TDI PD, Piezo PDE failure — BMN-specific problem. Power: 170 PS.
Leon (CAYC, 2009–2012) — Stay Away!: Timing belt oil pump drive wear, EGR valve wear and failure, Mandatory emissions software update (Dieselgate EA189). Power: 105 PS.
Leon (BWA, 2005–2009) — Be Careful: Camshaft follower of high-pressure pump worn, Increased oil consumption EA113 2.0 TFSI, Diverter valve N249 as weak point. Power: 200 PS.
Leon (BWA, 2005–2008) — Be Careful: Camshaft follower of high-pressure pump worn, Increased oil consumption EA113 2.0 TFSI, Diverter valve N249 as weak point. Power: 185 PS.
Leon (BWJ, 2006–2012) — Be Careful: Camshaft follower high-pressure pump BWJ 200 hp, Cam follower wear on high-pressure pump, Oil consumption EA113 2.0 TFSI 200 hp. Power: 240 PS.
Leon (BWJ, 2006–2009) — Be Careful: Camshaft follower high-pressure pump BWJ 200 hp, Cam follower wear on high-pressure pump, Oil consumption EA113 2.0 TFSI 200 hp. Power: 241 PS.
Leon (CAXC, 2007–2012) — Stay Away!: Timing chain worn prematurely (Twincharger), Supercharger clutch defective (Twincharger), Elevated oil consumption / piston damage. Power: 122–125 PS.
Leon (CDAA, 2007–2012) — Stay Away!: Elevated oil consumption EA888 Gen1 — piston ring problem, Timing chain stretch EA888 Gen1, Timing chain jumps. Power: 160 PS.
Leon (CCZB, 2009–2012) — Stay Away!: Oil consumption EA888 Gen1/2 2.0 TSI CCZB, Timing chain stretch EA888 2.0 TSI CCZB, Timing chain tensioner failure. Power: 211 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
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Last updated: February 2026 · All information without guarantee