Your Vehicle
Cadillac Seville 4.6 STS 305hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Power HP
Torque Nm
Book your Stage 1 remap
499 € VAT included · pay online, the work is done at the workshop you choose
Power Graph
Cadillac Seville 4.6 STS 305hp: da 305 a 325HP
Remapping Cadillac Seville
MasterTuning is a leader in developing remapping for Cadillac. La Cadillac Seville 4.6 STS 305hp può passare da 305 HP a 325 HP con un incremento di 20 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Cadillac Seville 4.6 STS 305hp
The Cadillac Seville 4.6 STS 305hp is equipped with a petrol engine that produces 305 HP and 400 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Cadillac can achieve 325 HP (+7%) and 420 Nm (+5%).
Our Stage 1 tuning for the Seville All delivers an impressive gain of +20 HP and +20 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code LH2 identifies this specific powerplant configuration.
With 305 HP from factory, this Cadillac Seville is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Cadillac Seville 4.6 STS 305hp
Factory technical data for the Cadillac Seville 4.6 STS 305hp (All), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | LH2 |
|---|---|
| Fuel | Petrol |
| Compression ratio | 10.3 |
| Bore × stroke | 93.0 X 84.0 mm |
| Stock power | 305 HP · 400 Nm |
| Remapped power (Stage 1) | 325 HP (+20) · 420 Nm (+20) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Cadillac Seville.
Frequently Asked Questions - Cadillac Seville
How much power can I gain from remapping my Cadillac Seville?
With MasterTuning Stage 1, your Cadillac Seville 4.6 STS 305hp can gain +20 HP (from 305 to 325 HP) and +20 Nm of torque. This represents a 7% increase in power.
Is ECU remapping safe for the Cadillac Seville engine?
Yes, MasterTuning's remapping for the Cadillac Seville 4.6 STS 305hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the LH2 engine.
Is the Cadillac ECU remapping reversible?
Absolutely. The original factory calibration of your Cadillac Seville is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Cadillac warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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