Considering an ECU remap for your Toyota Yaris 1.4 D-4D 90hp? A Stage 1 remap can take this All diesel engine from 90 BHP to 115 BHP and from 190 Nm to 250 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Toyota Yaris can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The Toyota Yaris 1.4 D-4D 90hp is a 1.4L turbocharged diesel engine producing 90 BHP and 190 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 115 BHP and 250 Nm — a gain of around 25 BHP (28%) and 60 Nm (32%).
This engine scores highly for remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as high, based on the percentage gain available from the factory output.
Considerations: Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.
Fuel economy note: economy gains unlikely at full power; depends on driving style.
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 |
|---|
| 1.4 D-4D 55hp | 55 → 80 | +25 | 130 → 180 | +50 | Excellent (8.5/10) |
| 1.0i 68hp | 68 → 76 | +8 | 90 → 105 | +15 | Moderate (4.5/10) |
| 1.4 D-4D 75hp | 75 → 100 | +25 | 180 → 240 | +60 | Excellent (8.5/10) |
| 1.3 VVT-I 86hp | 86 → 95 | +9 | 124 → 136 | +12 | Moderate (4.5/10) |
| GR 1.6T | 261 → 281 | +20 | 360 → 420 | +60 | Moderate (4.5/10) |
Get a personalised remap quote for your Toyota Yaris. 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.
