2020 Chevrolet Silverado 4WD TrailBoss
18MPG
Combined
6
Trims
2020
2021 →
Updated February 27, 2026
Looking at the 2020 Chevrolet Silverado 4WD TrailBoss? This Truck offers 15–18 combined MPG depending on trim and comes with 6 available configurations. We break down the specs, safety data, and how it compares to the competition.
2020 Chevrolet Silverado 4WD TrailBoss Specifications
| Spec | Value |
|---|---|
| Combined MPG | 15–18 combined MPG depending on trim |
| City MPG | 16 |
| Highway MPG | 21 |
| Body Style | Truck |
| Fuel Type | Regular |
| Drive | 4WD |
| Available Trims | 6 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 16/21/18 | 5.3L 8cyl | Automatic 8-spd |
| Auto | 16/21/18 | 5.3L 8cyl | Automatic 10-spd |
| Auto | 14/18/16 | 5.3L 8cyl | Automatic 6-spd |
| Auto | 14/18/16 | 4.3L 6cyl | Automatic 6-spd |
| Sport | 15/19/17 | 6.2L 8cyl | Automatic 10-spd |
| Auto | 14/18/15 | 6.2L 8cyl | Automatic 10-spd |
Annual Fuel Cost
Based on EPA estimates, the 2020 Chevrolet Silverado 4WD TrailBoss costs approximately $2,958 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2020 Chevrolet Silverado 4WD TrailBoss
See how it stacks up against similar vehicles:
Other Model Years
- 2021 Chevrolet Silverado 4WD TrailBoss
- 2020 (this page)
Check Vehicle History
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