2021 Jeep Gladiator Rubicon EcoDiesel
24MPG
Combined
1
Trim
2021
Updated February 27, 2026
Looking at the 2021 Jeep Gladiator Rubicon EcoDiesel? This Truck offers 24 combined MPG and comes with 1 available configurations. We break down the specs, safety data, and how it compares to the competition.
2021 Jeep Gladiator Rubicon EcoDiesel Specifications
| Spec | Value |
|---|---|
| Combined MPG | 24 combined MPG |
| City MPG | 21 |
| Highway MPG | 27 |
| Body Style | Truck |
| Fuel Type | Diesel |
| Drive | 4WD |
| Available Trims | 1 |
Annual Fuel Cost
Based on EPA estimates, the 2021 Jeep Gladiator Rubicon EcoDiesel costs approximately $2,300 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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Other Model Years
- 2021 (this page)
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