2018 Chevrolet Silverado 1500 specs & fitment
3rd generation. The 2018 Chevrolet Silverado 1500 has bolt pattern 6x139.7 (78.1 mm bore), oil 0W-20, 5W-30, tires LT265/70R17, P255/70R17 and more.
Wheels & bolt pattern
- Bolt pattern
- 6x139.7 (6x5.5")
- Lug count
- 6
- Center bore
- 78.1 mm
Applies across the 3rd generation; based on 5 source records from other years of this generation.
Source: ANKUSI Wheel Fitment Dataset (CC BY 4.0). How to read a bolt pattern.
Engines & fuel economy
| Engine | Horsepower | Fuel | MPG city | MPG hwy | MPG combined | Drive |
|---|---|---|---|---|---|---|
| 4.3L 6-cyl | 285 | Regular Gasoline (E85 capable) | 17–18 | 22–24 | 19–20 | 4-Wheel Drive, Rear-Wheel Drive |
| 5.3L 8-cyl | 345 | Regular Gasoline (E85 capable) | 15–16 | 19–23 | 17–19 | 4-Wheel Drive, Rear-Wheel Drive |
| 6.2L 8-cyl | 425 | Premium Gasoline | 15 | 20–21 | 17 | 4-Wheel Drive, Rear-Wheel Drive |
| 5.3L 8-cyl hybrid | 345 | Regular Gasoline | 16–18 | 21–24 | 18–20 | 4-Wheel Drive, Rear-Wheel Drive |
Source: EPA fueleconomy.gov; horsepower from EPA fuel-economy test-car data.
Tire sizes
| Size | Trim | Source |
|---|---|---|
| LT265/70R17 | LS LT WT | TirePressure.com: 2018 Chevrolet Silverado 1500 Tire Pressure third-party |
| P255/70R17 | LS LT WT | TirePressure.com: 2018 Chevrolet Silverado 1500 Tire Pressure third-party |
| P265/65R18 | LT (18 Inch Option) LTZ | TirePressure.com: 2018 Chevrolet Silverado 1500 Tire Pressure third-party |
| P265/70R17 | LS LT WT | TirePressure.com: 2018 Chevrolet Silverado 1500 Tire Pressure third-party |
| P275/55R20 | Custom High Country LT (20 Inch Option) LTZ WT (20 Inch Option) | TirePressure.com: 2018 Chevrolet Silverado 1500 Tire Pressure third-party |
| P285/45R22 | Custom High Country LT (22 Inch Option) LTZ | TirePressure.com: 2018 Chevrolet Silverado 1500 Tire Pressure third-party |
Engine oil type & capacity
| Engine | Oil grade | Capacity with filter | Source |
|---|---|---|---|
| 4.3L V6 | 5W-30 | 6.0 qt (5.7 L) | 2018 Chevrolet Silverado Owner Manual (GM), p. 458; 2018 Chevrolet Silverado Owner Manual (GM), p. 346 |
| 5.3L V8 | 0W-20 | 8.0 qt (7.6 L) | 2018 Chevrolet Silverado Owner Manual (GM), p. 458; 2018 Chevrolet Silverado Owner Manual (GM), p. 346 |
| 6.2L V8 | 0W-20 | 8.0 qt (7.6 L) | 2018 Chevrolet Silverado Owner Manual (GM), p. 458; 2018 Chevrolet Silverado Owner Manual (GM), p. 346 |
What 0W-20 and 5W-30 mean · Silverado 1500 oil capacity by year
Battery & wiper blades
- Battery (all engines)
- Group 48 (H6), standard low confidence Third-party battery research (autopadre.com, autofiles.com, forums); AutoPadre: Silverado 1500 battery size
- Battery (all engines)
- Group 94R (H7), with trailering / HD packages low confidence Third-party battery research (autopadre.com, autofiles.com, forums); AutoPadre: Silverado 1500 battery size
- Wiper blades
- Driver 21.7", passenger 21.7" 2018 Chevrolet Silverado Owner Manual (GM), p. 455
Verify group size on your battery label or owner's manual before purchasing.
Dimensions & weight
- Length
- 201.2–235.4 in (5110–5980 mm)
- Width
- 79.9 in
- Height
- 73.6–74.0 in
- Wheelbase
- 118.9–153.1 in
- Curb weight
- 4522–5359 lb
10 body/drive variants measured by Transport Canada (Canadian Vehicle Specifications).
Safety: recalls, complaints, crash ratings
- Recalls
- 7
- Owner complaints
- 522
- NCAP overall
- 5 stars
| Tested variant | Overall | Frontal | Side | Rollover |
|---|---|---|---|---|
| 2018 Chevrolet Silverado 1500 PU/EC 4WD | 5 | 5 | 5 | 4 |
| 2018 Chevrolet Silverado 1500 PU/EC RWD | 5 | 5 | 5 | 4 |
| 2018 Chevrolet Silverado 1500 Hybrid PU/CC RWD | 5 | 5 | 5 | 4 |
| 2018 Chevrolet Silverado 1500 PU/CC 4WD | 5 | 5 | 5 | 4 |
| 2018 Chevrolet Silverado 1500 PU/CC RWD | 5 | 5 | 5 | 4 |
| 2018 Chevrolet Silverado 1500 PU/RC RWD | 5 | 5 | 5 | 4 |
| 2018 Chevrolet Silverado 1500 PU/RC 4WD | 5 | 5 | 5 | 4 |
Recall campaigns (7)
- 26V325000 2026-05-21: AIR BAGS
- 26V166000 2026-03-19: AIR BAGS
- 25V432000 2025-06-26: AIR BAGS
- 24V756000 2024-10-10: AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
- 20V603000 2020-10-01: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
- 19V761000 2019-10-24: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING
- 19V645000 2019-09-06: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
Source: NHTSA recalls, complaints and NCAP APIs.