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GM 2.0 Liter Turbo I-4 LSY Engine
The LSY is a turbo-charged 2.0-liter four-cylinder gasoline engine produced by General Motors for use in a broad range of vehicles.
| GM RPO code: | LSY |
| Displacement: | 2.0 liters |
| Configuration & Cylinders: | Inline 4 (I4) |
| Vehicle Engine Orientation: | Longitudinal or Transverse |
| Valvetrain: | Dual Overhead Camshafts (DOHC), four valves per cylinder and TriPower system" |
| Assembly site: | TBD |
| Predecessor: | LTG |
| Successor: | None currently |
Overview
The LSY engine was first announced for the 2019 Cadillac XT4 in March 2018. It then subsequently was announced for various other GM cars and crossovers. The motor is not used in body-on-frame models like pickup trucks and SUVs.
Specifications
| Displacement: | 2.0 liters | |
| Configuration & Cylinders: | Inline 4 (I4) | |
| Vehicle Engine Orientation: | Longitudinal or Transverse | |
| Valvetrain: | Dual Overhead Camshafts (DOHC), four valves per cylinder and TriPower system" | |
| Aspiration: | turbocharged | |
| Valves per cylinder: | 4 | |
| Compression ratio: | 10:1 | |
| Assembly site: | TBD | |
| Firing order: | TBD | |
| Bore x stroke: | TBD | |
| Fuel delivery: | Direct injection with electronic throttle control | |
| Fuel Type: | TBD | |
| Maximum Engine Speed: | TBD | |
| Emissions controls: | Active Fuel Management | Engine Auto Stop/Start" |
| Materials | ||
| Block: | Cast aluminum | |
| Cylinder head: | Cast aluminum | |
| Intake manifold: | TBD | |
| Exhaust manifold: | TBD | |
| Main bearing caps: | TBD | |
| Crankshaft: | TBD | |
| Camshaft: | TBD | |
| Connecting rods: | TBD | |
Vehicle Applications
| Model Year | Make | Model | Transmission | Power (hp / kW @ RPM) | Torque (lb-ft / Nm @ RPM) |
|---|---|---|---|---|---|
| 2019 and newer | Cadillac | XT4 | GM 9-Speed Automatic M3H | 235 / 175 @ 5000 | 258 / 350 @ 1500-4000 |
| 2020 and newer | GMC | Acadia | GM 9-Speed Automatic M3W | 230 / 172 @ 5000 | 258 / 350 @ 1500-4000 |
| 2020 and newer | Cadillac | XT5 | GM 9-Speed Automatic M3W | 230 / 172 @ 5000 | 258 / 350 @ 1500-4000 |
| 2020 | Cadillac | XT6* | GM 9-Speed Automatic M3W | 235 / 175 @ 5000 | 258 / 350 @ 1500-4000 |
| 2021 and newer | Cadillac | XT6 | GM 9-Speed Automatic M3W | 235 / 175 @ 5000 | 258 / 350 @ 1500-4000 |
| 2020 and newer | Cadillac | CT5 | GM 10-Speed Automatic MHS | 237 / 177 @ 5000 | 258 / 350 @ 1500-4000 |
| 2020 and newer | Cadillac | CT4 | GM 8-Speed Automatic M5N | 237 / 177 @ 5000 | 258 / 350 @ 1500-4000 |
| 2020 and newer | Chevrolet | Blazer | 9-Speed Automatic M3T | 230 / 172 @5000 | 258 / 349.8 @ 1500-4000 |
| 2021 and newer | Chevrolet | Blazer 3-row* | 9-Speed Automatic M3T | 230 / 172 @5000 | 258 / 349.8 @ 1500-4000 |
| 2021 and newer | Buick | Envision / Envision S** | 9-Speed Automatic M3H | 235 / 175 @ 5000 | 258 / 350 @ 1500-4000 |
| 2022 and newer (expected) | Buick | Envision GX | 9-Speed Automatic M3H | 235 / 175 @ 5000 | 258 / 350 @ 1500-4000 |
- * Chinese market only
- ** Vehicle sold in North America as Envision and in China as Envision S
Pictures
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- 2.0L LSY engine in the Cadillac XT6
