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Seat · Compact · 2005–2012 Custom Search

Seat Leon 1P

Weaknesses, engine ratings and buying advice

2.3 / 5.0 · Based on 11 engine variants
Most Fun Engine

239–241 PS

2.0L TFSI Benzin

Leon Cupra 1P — pure insanity

Legendary!
Most Reliable Engine

102–105 PS

1.6L MPI Benzin

9 weaknesses

Good Choice
Problem Engine

105 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.

1.6L TDI · Diesel· 105 PS
2009 2012
Stay Away! 12 weaknesses
1.9L TDI · Diesel· 101–110 PS
2005 2009
Be Careful 3 weaknesses
2.0L TDI · Diesel· 136–140 PS
2005 2009
Stay Away! 4 weaknesses
Leon FR · Diesel· 170 PS
2006 2012
Be Careful 4 weaknesses
1.4L TSI · Petrol· 122–125 PS
2007 2012
Stay Away! 3 weaknesses
1.6L MPI · Petrol· 102–105 PS
2005 2012
Good Choice 9 weaknesses
1.8L TSI · Petrol· 160 PS
2007 2012
Stay Away! 9 weaknesses
Leon 2.0 TFSI 185 · Petrol· 185 PS
2005 2008
Be Careful 3 weaknesses
Leon Cupra · Petrol· 240 PS
2006 2012
Be Careful 4 weaknesses
Leon Cupra 2.0 TFSI 240 · Petrol· 241 PS
2006 2009
Be Careful 4 weaknesses
Leon FR · Petrol· 200–211 PS Engine Change
2005 2009
Be Careful 3 weaknesses
2009 2012
Stay Away! 6 weaknesses

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

WeaknessCost
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

tuev

AUTO BILD TÜV-Report

Below average

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.

2024-08

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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

What problems and weaknesses does the Seat Leon 1P have? +
The Seat Leon 1P has 61 known engine weaknesses and 8 vehicle weaknesses.
What should I look for when buying a used Seat Leon 1P? +
faq.watch_a_avoid faq.watch_a_rec
Which engine is recommended? +
Good choice: BSE (1.6L MPI). The most reliable engine is the BSE (1.6L MPI) with the lowest risk score. The most fun to drive is the BWJ (2.0L TFSI). Problem engine: CAYC (1.6L TDI) — stay away!
Which Seat Leon 1P engine is the most reliable? +
The {code} ({displacement}) is the most reliable engine in the Seat Leon 1P. It has the lowest risk score of all available engines and is rated "Good Choice". However, there are 9 known weaknesses to be aware of.
Which Seat Leon 1P engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Seat Leon 1P — rated: "Legendary!". {description} With 176 kW (240 hp) and the 2.0 TFSI the Leon 1P Cupra is a powerhouse. The rapid throttle response, direct steering, and sportily tuned chassis create a package that is second to none in its class. A car that delivers genuine driving pleasure.
Is the Seat Leon 1P worth buying used? +
Caution is advised with the Seat Leon 1P — 5 of 11 engine variants are rated 'Stay Away!'. The engine choice is crucial.
What horsepower variants are available for the Seat Leon 1P? +
The Seat Leon 1P is available with engine variants from 101 to 241 hp. Petrol: CAXC (1.4L TSI), BSE (1.6L MPI), CDAA (1.8L TSI), BWA (2.0L TFSI), BWJ (2.0L TFSI), CCZB (2.0L TSI). Diesel: CAYC (1.6L TDI), BXE (1.9L TDI), ASZ (1.9L TDI), AZV (2.0L TDI), BMN (2.0L TDI).

Last updated: February 2026 · All information without guarantee