Expected gains of +25 BHP and +22 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Aston Martin Vantage 4.3 V8 400hp? A Stage 1 remap can take this ... -> 2018 petrol engine from 400 BHP to 425 BHP and from 418 Nm to 440 Nm of torque (naturally aspirated). This engine scores 3.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Aston Martin Vantage can achieve.
The Aston Martin Vantage 4.3 V8 400hp is a 4.3L naturally aspirated petrol engine producing 400 BHP and 418 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 425 BHP and 440 Nm — a gain of around 25 BHP (6%) and 22 Nm (5%).
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.. High tuned torque: check transmission torque capacity and service history.
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 |
|---|---|---|---|---|---|
| 4.3 V8 380hp | 380 → 410 | +30 | 410 → 435 | +25 |
| Limited (3.5/10) |
| 4.7 V8 426hp | 426 → 450 | +24 | 470 → 500 | +30 | Limited (3.5/10) |
| 4.7 V8 S 436hp | 436 → 460 | +24 | 490 → 515 | +25 | Limited (3.5/10) |
| 4.0 V8 Bi-Turbo 510hp | 510 → 570 | +60 | 685 → 820 | +135 | Good (6.5/10) |
| 6.0 V12 517hp | 517 → 542 | +25 | 570 → 600 | +30 | Limited (3.5/10) |
| 4.0 V8 Bi-Turbo 535hp | 535 → 570 | +35 | 685 → 820 | +135 | Good (6/10) |
Get a personalised remap quote for your Aston Martin Vantage. 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.