Seat Altea / XL 1.2 TSI 105hp Remap

Name: Seat Altea / XL 1.2 TSI 105hp ECU Remap
Brand: Seat

Expected gains of +45 BHP and +50 Nm torque

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BHP+45 hp (43%)

Standard

105 hp

Tuned

150 hp

Torque+50 Nm (29%)

Standard

175 Nm

Tuned

225 Nm

Suitability

Excellent (8/10)

Gains Profile

Power-focused

Headroom

High

Seat Altea / XL 1.2 TSI 105hp ECU Remapping

Considering an ECU remap for your Seat Altea / XL 1.2 TSI 105hp? A Stage 1 remap can take this 2009 -> petrol engine from 105 BHP to 150 BHP and from 175 Nm to 225 Nm of torque (turbocharged). This engine scores 8/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Seat Altea / XL can achieve.

How this engine compares

6thof 18 Seat Altea / XL engines by power gain
71%of the 9,842 engines we hold gain data for see a smaller power increase
27%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Seat Altea / XL 1.2 TSI 105hp is a 1.2L turbocharged petrol engine producing 105 BHP and 175 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 150 BHP and 225 Nm — a gain of around 45 BHP (43%) and 50 Nm (29%).

This engine scores highly for remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as high, based on the percentage gain available from the factory output.

Considerations: Turbo petrol: fuel quality and cooling can influence repeatable performance.. Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.

Considerations

!Turbo petrol: fuel quality and cooling can influence repeatable performance.

!Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.

Other Altea / XL 2009 -> Engines

Technical Specifications

Fuel Type: Petrol
Aspiration: Turbocharged
Displacement: 1.2L
Capacity: 1197 CC
Type: Car
Engine Family: SEAT 1.2L TSI Turbo Petrol

ECU & Transmission

Likely ECU Low confidence: Petrol ECU (varies by market/year)
Gearbox Low confidence: Transmission varies by trim and market; check manual/automatic type and torque rating.

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Confirm Your Vehicle

MakeSeat

ModelAltea / XL

Generation2009 ->

Engine1.2 TSI 105hp

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.

We recommend discussing your specific vehicle with a qualified remap professional before proceeding.

1.6 TDI 90hp	90 → 140	+50	230 → 310	+80	Excellent (8/10)
1.6i 102hp	102 → 112	+10	148 → 165	+17	Moderate (4.5/10)
1.6 TDI 105hp	105 → 150	+45	250 → 320	+70	Excellent (8/10)
1.4 TSI 125hp	125 → 150	+25	200 → 265	+65	Good (7.5/10)
2.0 TDI CR 140hp	140 → 180	+40	320 → 400	+80	Good (7.5/10)
1.8 TSI 160hp	160 → 210	+50	250 → 340	+90	Excellent (8/10)
2.0 TDI CR 170hp	170 → 205	+35	350 → 430	+80	Good (7.5/10)
2.0 TSI 211hp	211 → 260	+49	280 → 380	+100	Good (7.5/10)