2018 GMC Yukon C1500 Xl
19MPG
Combined
3
Trims
Updated February 27, 2026
Get the full picture on the 2018 GMC Yukon C1500 Xl. As a SUV, it achieves 17–19 combined MPG depending on trim and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.
2018 GMC Yukon C1500 Xl Specifications
| Spec | Value |
|---|---|
| Combined MPG | 17–19 combined MPG depending on trim |
| City MPG | 16 |
| Highway MPG | 23 |
| Body Style | SUV |
| Fuel Type | Premium |
| Drive | RWD |
| Available Trims | 3 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 14/23/17 | 6.2L 8cyl | Automatic 10-spd |
| Auto | 16/23/19 | 5.3L 8cyl | Automatic 6-spd |
| Auto | 16/23/19 | 5.3L 8cyl | Automatic 6-spd |
Annual Fuel Cost
Based on EPA estimates, the 2018 GMC Yukon C1500 Xl costs approximately $2,683 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2018 GMC Yukon C1500 Xl
See how it stacks up against similar vehicles:
Other Model Years
- 2020 GMC Yukon C1500 Xl
- 2019 GMC Yukon C1500 Xl
- 2018 (this page)
- 2017 GMC Yukon C1500 Xl
- 2016 GMC Yukon C1500 Xl
- 2015 GMC Yukon C1500 Xl
Check Vehicle History
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