🇩🇪 Deutsch

Chevrolet Silverado 1500

L3B 2.7L Turbo I4 310 hp Automatic Pickup 2019–2025
✔ Good Choice
Engine L3B ✔ Good Choice 7,600–22,700 $
Fun Factor? Decent

2.7 Turbo — surprisingly punchy, head gasket on early models

310 hp from 2.7 liters: surprisingly capable for a four-cylinder in a truck. Head gasket on 2019-2022 under warranty. Turbo bearings sensitive to poor oil. Budget for carbon buildup. For light duty, an honest alternative to the V8.

Engine Weaknesses 5

!! Head Gasket on Early Models (2019-2022)

Head gasket fails on early L3B under 25k miles. Covered under warranty.

Symptoms: White smoke, overheating, milky oil

1,500–4,000 $ from 30,000 km
!! Turbo Bearing Wear

Poor oil quality or extended intervals destroy turbo bearings.

Symptoms: Turbo lag, whine, blue smoke, power loss

1,500–4,000 $ from 80,000 km
!! Injector failure (ECM update available 2019-2022)

Fuel injectors wear or fail — incorrect ECM programming (2019-2022) causes wrong injection quantity. Service Update N242450631 available as free fix.

Symptoms: Rough idle, misfires, poor fuel economy, check engine light

300–600 $ from 80,000 km
!! Elevated oil consumption — piston rings

Piston rings let oil past — 0.75 to 1.75 quarts per 3,000 miles in documented cases. GM in one case rebuilt engine after two years of oil consumption. Often from ~30k miles.

Symptoms: Dropping oil level, blue smoke, oil consumption 0.5+ quarts per 600 miles

2,000–5,000 $ from 50,000 km
! Intake Valve Carbon Buildup

Direct injection only — walnut blasting from ~60k miles.

Symptoms: Rough idle, power loss

300–600 $ from 100,000 km

Vehicle Weaknesses 1

!! Gearbox 10-Speed Auto Shudder — Class Action

10L80/10L90: shudder, harsh shifts, rear wheels momentarily lock. Class action filed.

2,000–8,500 $ from 50,000 km