2021 Chevrolet Silverado 1500 2.7L Turbo Specs
4th gen (T1) · Updated Sep 2026
- Horsepower
- 310 hp
- 348 lb-ft
- Max towing
- 9,300 lb
- properly equipped
- Oil capacity
- 6.0 qt
- with filter
- Oil type
- SAE 5W-30 (dexos1)
- Tire size
- P255/70R17
- MPG combined
- 21 mpg
Specs #specs
The 2021 Chevrolet Silverado 1500 2.7L Turbo makes 310 hp at 5,600 rpm and 348 lb-ft of torque at 1,500 rpm.
The 2021 Chevrolet Silverado 1500 2.7L Turbo can tow up to 9,300 lb when properly equipped.
| Horsepower | 310 hp @ 5,600 rpm |
|---|---|
| Torque | 348 lb-ft @ 1,500 rpm |
| Transmission | 8-speed automatic |
| Drivetrain | 2WD or 4WD |
| Max towing | 9,300 lb |
Engine #engine
| Engine | 2.7L Turbo I4 (L3B) |
|---|---|
| Engine code | L3B |
| Displacement | 2.7 L |
| Cylinders | I4 |
| Aspiration | Turbocharged |
| Fuel | Gasoline |
Oil capacity & fluids #oil-capacity
The 2021 Chevrolet Silverado 1500 2.7L Turbo 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 | 12.4 qt |
| Transfer case (4WD) | 1.6 qt |
| Fuel tank | 24.0 gal (standard and short box), 28.3 gal (long box) |
Wheels & tires #tire-size
The 2021 Chevrolet Silverado 1500 2.7L Turbo comes with P255/70R17 tires.
| Tire size | P255/70R17 |
|---|---|
| Wheel size | 17 in (WT, LT) |
| Lug nut torque | 140 lb-ft |
Fuel economy #mpg
| City | Highway | Combined | |
|---|---|---|---|
| 2WD | 20 | 23 | 21 |
| 4WD | 19 | 22 | 20 |
Maintenance schedule #maintenance
| Engine oil & filter (Oil Life System, at least) | 12 mo |
|---|---|
| Cabin air filter | 22,500 mi / 24 mo |
| Spark plugs | 60,000 mi |
| Transfer case fluid (4WD) | 97,500 mi |
| Engine coolant | 150,000 mi / 60 mo |
| Brake fluid | 60 mo |
8 recalls for the 2021 Chevrolet Silverado 1500 →
FAQ
How much can a 2021 Silverado 2.7 Turbo tow?
Up to 9,300 lb — 2,500 lb more than the 2020 2.7L Turbo's 6,800 lb rating.
How much oil does a 2021 Silverado 2.7 Turbo take?
The 2.7L Turbo takes 6.0 quarts of dexos1 SAE 5W-30 including the oil filter.
Sources: 2021 Chevrolet Silverado 1500 Owner's Manual, 2021 Chevrolet/GMC 3.0L Duramax Diesel Engine Supplement, 2021 Silverado 1500 Max Trailering chart (Chevrolet), 2021 Chevrolet Silverado 1500 brochure, EPA fueleconomy.gov, NHTSA recalls. Updated Sep 2026.