Considering an ECU remap for your Lexus GS 300 250hp? A Stage 1 remap can take this 2005 - 2012 petrol engine from 250 BHP to 270 BHP and from 310 Nm to 330 Nm of torque (naturally aspirated). This engine scores 4/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Lexus GS can achieve.
The Lexus GS 300 250hp is a 3.0L naturally aspirated petrol engine producing 250 BHP and 310 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 270 BHP and 330 Nm — a gain of around 20 BHP (8%) and 20 Nm (6%).
This engine has limited remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
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.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 460 347hp | 347 → 360 | +13 | 460 → 480 | +20 | Limited (3/10) |
Get a personalised remap quote for your Lexus GS. We'll connect you with a trusted professional in your area.
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.
