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Ford EcoBoost 2.3 specs: 140 ci (2.3L) 4-cylinder, 3.445 x 3.701 in (87.5 x 94 mm) bore and stroke. Rated 280-300 hp, 2016–2026. Used in the Ford Explorer.
The Ford EcoBoost 2.3 is undersquare — the 3.7008" stroke exceeds the 3.4449" bore by 6.9% — a layout that trades peak RPM for leverage and torque low in the range. The 3.7008" stroke puts mean piston speed at 4,000 ft/min around 6,500 RPM, which is where a production bottom end is generally considered at its limit. Each of the 4 cylinders displaces 35.0 ci (574 cc).
It is one of 24 engines in the EcoBoost family, sitting between the 61 ci and 213.4 ci members. 11 factory variants share these dimensions, rated from 280 to 300 hp across 2016–2026.
| Displacement | 140 ci / 2.3 L |
|---|---|
| Bore | 3.4449" |
| Stroke | 3.7008" |
| Cylinders | 4 |
| Configuration | I4 |
| Bore/stroke ratio | 0.931 |
| Block material | aluminum |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 280–300 hp |
| Years | 2016–2026 |
| Bore/stroke character | 0.931 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,701 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 35.0 ci |
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 2016 | 280 hp | EcoBoost 2.3 |
| 2017 | 280 hp | EcoBoost 2.3 |
| 2018 | 280 hp | EcoBoost 2.3 |
| 2019 | 280 hp | EcoBoost 2.3 |
| 2020 | 300 hp | EcoBoost 2.3 |
| 2021 | 300 hp | EcoBoost 2.3 |
| 2022 | 300 hp | EcoBoost 2.3 |
| 2023 | 300 hp | EcoBoost 2.3 |
| 2024 | 300 hp | EcoBoost 2.3 |
| 2025 | 300 hp | EcoBoost 2.3 |
| 2026 | 300 hp | EcoBoost 2.3 |