2018 Chevrolet Silverado 1500 4.3L V6 Specs
3rd gen (K2XX) · Updated Oct 2026
- Horsepower
- 285 hp
- 305 lb-ft
- Curb weight
- 4,515 lb
- Max towing
- 7,600 lb
- properly equipped
- Oil capacity
- 6.0 qt
- with filter
- Oil type
- SAE 5W-30 (dexos1)
- Tire size
- P255/70R17
- MPG combined
- 20 mpg
Specs #specs
The 2018 Chevrolet Silverado 1500 4.3L V6 makes 285 hp at 5,300 rpm and 305 lb-ft of torque at 3,900 rpm. Its curb weight is 4,515 lb.
The 2018 Chevrolet Silverado 1500 4.3L V6 can tow up to 7,600 lb when properly equipped.
| Horsepower | 285 hp @ 5,300 rpm |
|---|---|
| Torque | 305 lb-ft @ 3,900 rpm |
| Transmission | 6-speed automatic |
| Drivetrain | 2WD or 4WD |
| Curb weight | 4,515 lb |
| Max towing | 7,600 lb |
| Width | 80.0 in |
Engine #engine
| Engine | 4.3L EcoTec3 V6 (LV3) |
|---|---|
| Engine code | LV3 |
| Displacement | 4.3 L |
| Cylinders | V6 |
| Aspiration | Naturally aspirated |
| Fuel | Gasoline |
Oil capacity & fluids #oil-capacity
The 2018 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 | 15.9 qt |
| Transfer case (4WD) | 1.6 qt |
| Fuel tank | 26 gal (standard and short box), 34 gal (long box) |
Wheels & tires #tire-size
The 2018 Chevrolet Silverado 1500 4.3L V6 comes with P255/70R17 tires.
| Tire size | P255/70R17 |
|---|---|
| Wheel size | 17 in (Work Truck) |
| Lug nut torque | 140 lb-ft |
Fuel economy #mpg
| City | Highway | Combined | |
|---|---|---|---|
| 2WD | 18 | 24 | 20 |
| 4WD | 17 | 22 | 19 |
Maintenance schedule #maintenance
| Engine oil & filter (Oil Life System, at least) | 12 mo |
|---|---|
| Cabin air filter | 22,500 mi / 24 mo |
| Engine air filter | 45,000 mi / 48 mo |
| Spark plugs | 97,500 mi |
| Transfer case fluid (4WD, GVW under 8,600 lb) | 97,500 mi |
| Engine coolant | 150,000 mi / 60 mo |
| Brake fluid | 60 mo |
7 recalls for the 2018 Chevrolet Silverado 1500 →
FAQ
How much oil does a 2018 Silverado 4.3L V6 take?
The 4.3L V6 takes 6.0 quarts of dexos1 SAE 5W-30 including the oil filter.
Sources: 2018 Chevrolet Silverado Owner's Manual, Edmunds 2018 Chevrolet Silverado 1500 features & specs (curb weight, base tire sizes), 2018 Chevrolet Silverado 1500 brochure (horsepower, torque, max towing, length, width), EPA fueleconomy.gov, NHTSA recalls. Updated Oct 2026.