2020 Chevrolet Silverado 1500 Specs
The 2020 Silverado 1500 covered here comes with a 285 hp 4.3L V6, a 310 hp 2.7L Turbo four, the 355 hp 5.3L V8 with Dynamic Fuel Management or the 420 hp 6.2L V8. Properly equipped, it tows up to 13,400 lb.
4 versions · 4th gen (T1) · Updated Sep 2026
- Oil capacity
- 6.0–8.0 qt
- by version ↓
- Tire size
- 17–18″
- by version ↓
- MPG combined
- 17–21 mpg
Versions #versions
Compare versions #compare
| 4.3L V6 | 2.7L Turbo | 5.3L V8 | 6.2L V8 | |
|---|---|---|---|---|
| Horsepower | 285 hp | 310 hp | 355 hp | 420 hp |
| Torque | 305 lb-ft | 348 lb-ft | 383 lb-ft | 460 lb-ft |
| Transmission | 6-speed automatic | 8-speed automatic | 8-speed automatic / 10-speed automatic | 10-speed automatic |
| Oil capacity | 6.0 qt | 6.0 qt | 8.0 qt | 8.0 qt |
| Tire size | P255/70R17 | P255/70R17 | P255/70R17 | P265/65R18 |
| MPG combined | 17 mpg | 21 mpg | 19 mpg | 17 mpg |
Recalls #recalls
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Repair under 24V797 may have been done incorrectly
NHTSA 26V083000 · Feb 12, 2026 · Transmission control (diesel)
Some diesel trucks repaired incorrectly under recall 24V797 may still have a transmission control valve failure that locks the rear wheels.
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Transmission control valve may lock the rear wheels
NHTSA 24V797000 · Oct 24, 2024 · Transmission control (diesel)
On trucks with the diesel engine, the transmission control valve may fail and lock the rear wheels.
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17-inch spare not compatible with accessory wheels
NHTSA 21V985000 · Dec 16, 2021 · Spare tire
On trucks with certain accessory wheels and tires, the 17-inch spare is not compatible and can keep the anti-lock brakes from working properly.
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Continental tires may be overcured
NHTSA 21V115000 · Feb 25, 2021 · Tires
Some Continental tires were cured too long during production.
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Front center seat belt brackets may not be secured
NHTSA 20V792000 · Dec 17, 2020 · Seat belts
The seat belt brackets for the front-row center seat may not be secured to the seat frame.
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Continental tires may be overcured
NHTSA 20V684000 · Nov 5, 2020 · Tires
The trucks may have been built with Continental tires that were cured too long.
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Driveshaft joint weld may separate
NHTSA 20V650000 · Oct 22, 2020 · Driveshaft
A driveshaft joint may not have been welded properly, so the driveshaft can separate while driving.
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Roof-rail air bag inflator part may separate
NHTSA 20V446000 · Jul 30, 2020 · Roof-rail air bags
The diffuser on the roof-rail air bag inflator may not be crimped properly and could separate when the air bag deploys.
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Brake caliper bolts may break
NHTSA 20V116000 · Feb 27, 2020 · Brake calipers
The bolts holding the front and/or rear brake calipers may not have been heat treated and can break under load.
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Battery cable may lose connection at the alternator
NHTSA 19V888000 · Dec 12, 2019 · Battery cable
Excess glue on the positive battery cable rings can cause an intermittent connection between the cable and the alternator.
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Fuel pump may be missing its pressure regulator
NHTSA 19V837000 · Nov 21, 2019 · Fuel pump
The fuel pump may be missing a pressure regulator, which can over-pressurize the fuel system.
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Pretensioner gas may ignite the carpet
NHTSA 19V814000 · Nov 14, 2019 · Seat belt pretensioners
When the front seat belt pretensioners fire, hot gas may vent through the bracket and ignite the carpet.
FAQ
What is the lug nut torque on a 2020 Silverado 1500?
GM specifies 140 lb-ft (190 N·m) for the wheel nuts.
How much can a 2020 Silverado 1500 tow?
Up to 13,400 lb with the 6.2L V8 in an RST Double Cab 4x4 with the Max Trailering Package and 20-inch wheels. The maximum for each engine is on its version page.
How big is the gas tank on a 2020 Silverado 1500?
24 gallons on Double Cab and Crew Cab trucks (22 gallons on a 2WD diesel) and 28 gallons on the Regular Cab.
How long is a 2020 Silverado 1500?
229.5 in as a Regular Cab, 231.7 in as a Double Cab and 231.7–241.2 in as a Crew Cab; it is 81.1–81.2 in wide.
Sources: 2020 Chevrolet Silverado Owner's Manual, 2020 Silverado 1500 Max Trailering chart (Chevrolet), 2020 Chevrolet Silverado 1500 brochure, EPA fueleconomy.gov, NHTSA recalls. Updated Sep 2026.