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Lexus 2GR-FKS specs: 3.5L (211 ci) 6-cylinder, 94 x 83 mm (3.7008 x 3.2677 in) bore and stroke. Rated 295-311 hp, 2016–2025. Used in the Lexus GS. DOHC.
The Lexus 2GR-FKS is oversquare — the 3.7008" bore exceeds the 3.2677" stroke by 13.3% — a layout that favors airflow and RPM over leverage at the crank. The 3.2677" stroke does not reach 4,000 ft/min of mean piston speed until about 7,350 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 6 cylinders displaces 35.2 ci (576 cc).
It is one of 12 engines in the GR family, the smallest at 211 ci. 24 factory variants share these dimensions, rated from 295 to 311 hp across 2016–2025.
| Displacement | 211 ci / 3.5 L |
|---|---|
| Bore | 3.7008" |
| Stroke | 3.2677" |
| Cylinders | 6 |
| Configuration | V6 |
| Bore/stroke ratio | 1.133 |
| Block material | aluminum |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 295–311 hp |
| Years | 2016–2025 |
| Year | Version | HP @ rpm | Torque @ rpm | Comp. |
|---|---|---|---|---|
| 2016 | 2GR-FKS net | 295 | — | — |
| 2016 | 2GR-FKS net | 311 | — | — |
| 2017 | 2GR-FKS net | 295 | — | — |
| 2017 | 2GR-FKS net | 311 | — | — |
| 2018 | 2GR-FKS net | 295 | — | — |
| 2018 | 2GR-FKS net | 311 | — | — |
| 2019 | 2GR-FKS net | 295 | — | — |
| 2019 | 2GR-FKS net | 302 | — | — |
| 2019 | 2GR-FKS net | 311 | — | — |
| 2020 | 2GR-FKS net | 295 | — | — |
| 2020 | 2GR-FKS net | 302 | — | — |
| 2020 | 2GR-FKS net | 311 | — | — |
| 2021 | 2GR-FKS net | 295 | — | — |
| 2021 | 2GR-FKS net | 302 | — | — |
| 2022 | 2GR-FKS net | 295 | — | — |
| 2022 | 2GR-FKS net | 302 | — | — |
| 2023 | 2GR-FKS net | 302 | — | — |
| 2024 | 2GR-FKS net | 302 | — | — |
| 2025 | 2GR-FKS net | 302 | — | — |
Factory specification sheet.
| Bore/stroke character | 1.133 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,268 ft/min — conservative for a street engine |
| Displacement per cylinder | 35.2 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 | 295 hp | 2GR-FKS |
| 2016 | 311 hp | 2GR-FKS |
| 2017 | 295 hp | 2GR-FKS |
| 2017 | 311 hp | 2GR-FKS |
| 2018 | — | 2GR-FKS |
| 2018 | 295 hp | 2GR-FKS |
| 2018 | 311 hp | 2GR-FKS |
| 2019 | — | 2GR-FKS |
| 2019 | 295 hp | 2GR-FKS |
| 2019 | 302 hp | 2GR-FKS |
| 2019 | 311 hp | 2GR-FKS |
| 2020 | — | 2GR-FKS |
| 2020 | 295 hp | 2GR-FKS |
| 2020 | 302 hp | 2GR-FKS |
| 2020 | 311 hp | 2GR-FKS |
| 2021 | — | 2GR-FKS |
| 2021 | 295 hp | 2GR-FKS |
| 2021 | 302 hp | 2GR-FKS |
| 2022 | — | 2GR-FKS |
| 2022 | 295 hp | 2GR-FKS |
| 2022 | 302 hp | 2GR-FKS |
| 2023 | 302 hp | 2GR-FKS |
| 2024 | 302 hp | 2GR-FKS |
| 2025 | 302 hp | 2GR-FKS |
9 factory vehicles, 2016–2026. Each year opens that model's engine table.