AUTOWORKS RACING

2020 Chevrolet Silverado 1500 4.3L V6 Specs

4th gen (T1) · Updated Sep 2026

Horsepower
285 hp
305 lb-ft
Max towing
7,900 lb
properly equipped
Oil capacity
6.0 qt
with filter
Oil type
SAE 5W-30 (dexos1)
Tire size
P255/70R17
MPG combined
17 mpg

Specs #specs

The 2020 Chevrolet Silverado 1500 4.3L V6 makes 285 hp at 5,300 rpm and 305 lb-ft of torque at 3,900 rpm.

The 2020 Chevrolet Silverado 1500 4.3L V6 can tow up to 7,900 lb when properly equipped, and its maximum payload is 2,250 lb.

Horsepower 285 hp @ 5,300 rpm
Torque 305 lb-ft @ 3,900 rpm
Transmission 6-speed automatic
Drivetrain 2WD or 4WD
Max towing 7,900 lb
Max payload 2,250 lb

Engine #engine

Engine 4.3L EcoTec3 V6 (LV3)
Engine code LV3
Displacement 4.3 L
Cylinders V6
Aspiration Naturally aspirated
Fuel Gasoline
Compression ratio 11.0:1
Bore × stroke 99.6 x 92 mm

Oil capacity & fluids #oil-capacity

The 2020 Chevrolet Silverado 1500 4.3L V6 takes 6.0 quarts of SAE 5W-30 (dexos1) oil with a filter change.

Engine oil (with filter) 6.0 qt
Oil type SAE 5W-30 (dexos1)
Coolant 12.2 qt
Transfer case (4WD) 1.6 qt
Fuel tank 24 gal (Double Cab, Crew Cab), 28 gal (Regular Cab)

Wheels & tires #tire-size

The 2020 Chevrolet Silverado 1500 4.3L V6 comes with P255/70R17 tires.

Tire size P255/70R17
Wheel size 17 in (WT)
Lug nut torque 140 lb-ft

Fuel economy #mpg

City Highway Combined
2WD 16 21 17
4WD 15 20 17

Maintenance schedule #maintenance

Engine oil & filter (Oil Life System, at least) 12 mo
Cabin air filter 22,500 mi / 24 mo
Spark plugs 97,500 mi
Transfer case fluid (4WD) 97,500 mi
Engine coolant 150,000 mi / 60 mo
Brake fluid 60 mo

12 recalls for the 2020 Chevrolet Silverado 1500 →

FAQ

How much oil does a 2020 Silverado 4.3L V6 take?

The 4.3L V6 takes 6.0 quarts of dexos1 SAE 5W-30 including the oil filter.

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.