The 2019 Chevrolet Silverado 1500 uses more than one automatic transmission, depending on the engine and configuration: 6-speed, 8-speed, or 10-speed automatics.
Chevrolet offered several powertrains for the 2019 Silverado 1500, including a 4.3L V6, a 2.7L turbocharged inline-four, 5.3L V8, 6.2L V8, and a 3.0L Duramax diesel. Each engine pairs with a different automatic transmission, shaping performance, efficiency, and towing capabilities across trims and options.
Transmission options by engine
The following list outlines the typical transmission pairing for each major engine in the 2019 Silverado 1500:
- 4.3L V6 EcoTec3 — 6-speed automatic
- 2.7L Turbo — 8-speed automatic
- 5.3L V8 EcoTec3 — 8-speed automatic
- 6.2L V8 EcoTec3 — 8-speed automatic
- 3.0L Duramax Turbo Diesel — 10-speed automatic
Concluding note: If you’re evaluating a 2019 Silverado, the exact transmission can vary by engine and configuration. Check the vehicle's window sticker or VIN/RPO codes to confirm the specific automatic transmission installed on that truck.
Notes for buyers and owners
Performance and fuel economy considerations
Compared with the 6-speed option found in the older 4.3L setup, the 8-speed automatics generally offer smoother shifts and better highway fuel economy for most gasoline engines. The 10-speed automatic on the 3.0L Duramax diesel improves both torque delivery at low RPM and highway efficiency, which is beneficial for towing and long-distance driving.
Verifying transmission during purchase
When shopping for a 2019 Silverado, verify the transmission listed on the build sheet or VIN/RPO codes. This ensures you know which automatic you’ll get, as it affects towing capacity, performance, and maintenance schedules.
Summary
In summary, a 2019 Chevy Silverado 1500 can be equipped with a 6, 8, or 10-speed automatic transmission, with the specific pairing determined by the engine: 6-speed for the 4.3L V6, 8-speed for the 2.7L Turbo, 5.3L/V8 options, and 10-speed for the 3.0L Duramax diesel. Always verify the exact transmission for any given vehicle.


