The 2019 Blazer transmissions consist of the GM 9-speed automatic transmission, as follows:
- 2.5L LCV I-4 engine is mated to the 9T50 transmission (M3D)
- 3.6L LGX V-6 engine is mated to the 9T65 transmission (M3V)
The 2019 Blazer powertrain is positioned transversely, which is the true for all GM vehicles based on the C1 platform.
2019 Chevrolet Blazer Powertrain Summary
| Brand | Model | RPO Code | Displacement (L / ci) | Layout & Cylinders | Valvetrain | Aspiration | Compression Ratio | Bore & Stroke (in / mm) | Fuel | Fuel Delivery | Valve Lifters | Engine Block Material | Cylinder Head Material | Wheel Drive | Transmission | Axles (Final Drive Ratio) | Power (hp / kW @ RPM) | Torque (lb-ft / Nm @ RPM) | Fuel Economy FWD (City / Hwy) | Fuel Economy AWD (City / Hwy) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chevrolet | Blazer | LCV | 2.5L / 152 | I-4 | DOHC, 4 valves per cylinder, CVVT | Atmospheric | 11.3:1 | 3.46 x 3.97 / 88 x 101 | Gasoline | Direct, high-pressure injection and electronic throttle control | Hydraulic roller finger follower | Cast aluminum 319T7 (lost foam cast aluminum) | Cast aluminum 356T6 (lost foam cast aluminum) | FWD / AWD | GM 9T50 9-speed auto M3D | 3.80 | 193 / 143 @ 6300 | 188 / 255 @ 4400 | 21 / 26 (expected) | 21 / 26 (expected) |
| Chevrolet | Blazer | LGX | 3.6L / 219 | V-6 | DOHC, 4 valves per cylinder, CVVT | Atmospheric | 11.5:1 | 3.74 x 3.37 / 95 x 85.8 | Gasoline | Direct, high-pressure fuel injection with electronic throttle control | Hydraulic roller finger follower | Cast aluminum w/ cast-in-place iron bore liners | Cast aluminum | FWD / AWD | GM 9T65 9-speed auto M3V | 3.49 | 310 / 231 @ 6600 | 271 / 373 @ 5000 | 18 / 25 (expected) | 18 / 25 (expected) |
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