Used 2018 GMC Sierra 1500 for Sale near Phoenix, AZ
228 results
CarGurus Analysis:
2018 GMC Sierra 1500
With 239 currently listed for sale near Phoenix, AZ and an average price of $28,238.00, 18.0% of 2018 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 GMC Sierra 1500 4.43 / 5 stars.
75.7% of 2018 Sierra models on CarGurus are accident free.
The 2018 GMC Sierra 1500 features a spacious and luxurious cabin, standard GMC’s IntelliLink infotainment system, and multiple engine options offering both power and fuel efficiency.
CarGurus Analysis: 2018 GMC Sierra 1500
overall
Summary
With 239 currently listed for sale near Phoenix, AZ and an average price of $28,238.00, 18.0% of 2018 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 GMC Sierra 1500 4.43 / 5 stars.
75.7% of 2018 Sierra models on CarGurus are accident free.
The 2018 GMC Sierra 1500 features a spacious and luxurious cabin, standard GMC’s IntelliLink infotainment system, and multiple engine options offering both power and fuel efficiency.
Why it stands out
The 2018 GMC Sierra 1500 continues to be a prominent choice in the full-size truck market thanks to its blend of style, utility, and comfort. Its well-defined exterior features a timeless design that stands out without being flamboyant, appealing to both traditional truck buyers and those looking for more luxury. Inside, the cabin offers a generous amount of space and upscale materials, with different trim levels ranging from the work-ready Base to the opulent Denali that showcases leather seating and advanced technology. Driven by powerful engine options, including a robust 6.2-liter V8, the Sierra provides substantial towing and hauling capabilities, appealing to those who require functionality alongside comfort. The introduction of the GMC IntelliLink infotainment system across all trims enhances its usability, making it easier for drivers to connect their devices and access navigation. This truck is not without its limitations; some users note missing features and occasional performance issues. However, the blend of refinement, capability, and modern technology makes the 2018 GMC Sierra 1500 a compelling choice for many truck enthusiasts.
Other model years to consider
- Average price: $52,080.00
- Good/great deal percentage: 32.8%
- User rating: 5 / 5
- Total listings: 357
- Average price: $33,440.00
- Good/great deal percentage: 17.3%
- User rating: 4.65 / 5
- Total listings: 329
- Average price: $44,513.00
- Good/great deal percentage: 25.5%
- User rating: 4.65 / 5
- Total listings: 385
This analysis is based on CarGurus' proprietary market data from March 31, 2026, CarGurus experts' opinions, and generative AI.
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4.5 Overall rating
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Edward E
Reviewed a 2018 GMC Sierra 1500 on Feb 28, 2020
2018 GMC Sierra. Simply the best driving & riding truck I have ever owned. The magnetic ride sets it apart and was the reason I purchased a 2018 vs the newer body style without it. It’s also the reason I choose it over similar Ford and Dodge trucks.
Anonymous
Reviewed a 2018 GMC Sierra 1500 on Mar 3, 2021
very luxurious and drives incredible smooth.. Wouldnt know its a pickup truck
Jason J
Reviewed a 2018 GMC Sierra 1500 on Aug 20, 2022
Great truck, but not liking this heavy shudder from the torque converter.
Janet L
Reviewed a 2018 GMC Sierra 1500 on May 8, 2021
This truck is everything we were looking for and more. We love it!!
2018 GMC Sierra 1500 Trims
| Trim type | MSRP |
|---|---|
| SLT Double Cab 4WD | $46,000 |
| Base | $29,000 |
| SLE Crew Cab 4WD | $44,700 |
| Base Double Cab 4WD | $37,000 |
| SLT Crew Cab | $45,200 |
| SLE Double Cab 4WD | $42,100 |
| Denali Crew Cab 4WD | $56,000 |
| SLT Crew Cab 4WD | $48,400 |
2018 GMC Sierra 1500 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2018 GMC Sierra 1500 prices has changed over time.
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