2023 Chevrolet Silverado 1500 Specs
The 2023 Silverado 1500 comes with a 310 hp 2.7L Turbo High-Output four with an 8-speed automatic, or a 10-speed automatic with the 355 hp 5.3L V8, the 420 hp 6.2L V8 or the 305 hp 3.0L Duramax diesel. Properly equipped it tows up to 13,300 lb with the 6.2L V8 or the diesel.
4 versions · 4th gen (T1) · Updated Oct 2026
- Oil capacity
- 6.0–8.0 qt
- by version ↓
- Tire size
- 17–18″
- by version ↓
- MPG combined
- 17–26 mpg
Versions #versions
Compare versions #compare
| 2.7L Turbo | 5.3L V8 | 6.2L V8 | 3.0L Duramax Diesel | |
|---|---|---|---|---|
| Horsepower | 310 hp | 355 hp | 420 hp | 305 hp |
| Torque | 430 lb-ft | 383 lb-ft | 460 lb-ft | 495 lb-ft |
| Transmission | 8-speed automatic | 10-speed automatic | 10-speed automatic | 10-speed automatic |
| Oil capacity | 6.0 qt | 8.0 qt | 8.0 qt | 7.0 qt |
| Tire size | 255/70R17 | 255/70R17 | 265/65R18 | 255/70R17 |
| MPG combined | 20 mpg | 19 mpg | 17 mpg | 26 mpg |
Recalls #recalls
-
6.2L V8 connecting rods or crankshaft may be defective
NHTSA 25V274000 · Apr 24, 2025 · Engine (6.2L V8)
On trucks with the 6.2L V8, the connecting rods and/or crankshaft may have manufacturing defects that can lead to engine damage and failure.
-
Low brake fluid warning may not light
NHTSA 24V674000 · Sep 12, 2024 · Brake fluid warning
The brake control module software may not show a warning light when brake fluid is lost.
-
Daytime running lights may stay on with the headlights
NHTSA 22V903000 · Dec 8, 2022 · Daytime running lights
The daytime running lights may not switch off when the headlights are on.
FAQ
What is the lug nut torque on a 2023 Silverado 1500?
Chevrolet specifies 140 lb-ft for the wheel nuts.
How big is the gas tank on a 2023 Silverado 1500?
24.0 gallons with the standard or short box (22.0 on a 2WD diesel) and 28.3 gallons with the long box.
How much can a 2023 Silverado 1500 tow?
Up to 13,300 lb with the 6.2L V8 or the 3.0L Duramax and the Max Trailering Package, when properly equipped. Each version page lists its maximum.
Sources: 2023 Chevrolet Silverado 1500 Owner's Manual, 2023 Chevrolet and GMC Duramax Diesel 3.0L Owner Manual Supplement, 2023 Chevrolet Silverado 1500 brochure (horsepower, torque, towing, payload, trim tire sizes), EPA fueleconomy.gov, NHTSA recalls. Updated Oct 2026.