GMC Sierra Lease Deals September 2026
We're tracking 7 live GMC Sierra lease deals across 4 trims for September 2026, from $555 to $875/mo effective (averaging $664/mo, all upfront costs amortized). Offers run 36-month terms and 10,000 mi/yr. The best current Deal Score is 76. Live in CA — every deal links straight to the source seller.
7Live deals
$555/moFrom
$664/moAvg effective
76Best score
7 deals
Truck
76
2026 GMC Sierra
SLT 2WD
$539/mobase + tax
MSRP
$61,000
36mo
term
10k
mi/yr
$2,000
due at sign
Monarch Auto GroupLA Area / NorCalAvailablePosted 35d ago · Checked 31d ago
Truck
76
2026 GMC Sierra
SLT 2WD
$539/mobase + tax
MSRP
$61,000
36mo
term
10k
mi/yr
$2,000
due at sign
Monarch Auto Group / Monarch Luxury ServicesLA Area / NorCalAvailablePosted 35d ago · Checked 34d ago
Truck
76
2026 GMC Sierra
Elevation 4WD
$499/mobase + tax
MSRP
$57,000
36mo
term
10k
mi/yr
$2,000
due at sign
Monarch Auto GroupLA Area / NorCalAvailablePosted 35d ago · Checked 31d ago
Truck
76
2026 GMC Sierra
Elevation 4WD
$499/mobase + tax
MSRP
$57,000
36mo
term
10k
mi/yr
$2,000
due at sign
Monarch Auto Group / Monarch Luxury ServicesLA Area / NorCalAvailablePosted 35d ago · Checked 34d ago
Truck
75
2026 GMC Sierra
Elevation
$519/mobase + tax
MSRP
$60,000
36mo
term
10k
mi/yr
$3,000
due at sign
EZ Auto Group (Gary 747-339-3885 / Sam 224-395-3273)Southern CaliforniaAvailablePosted 20d ago · Checked 11d ago
Truck
71
2026 GMC Sierra
Denali 4WD
$819/mobase + tax
MSRP
$80,000
36mo
term
10k
mi/yr
$2,000
due at sign
Monarch Auto Group / Monarch Luxury ServicesLA Area / NorCalAvailablePosted 35d ago · Checked 34d ago
Truck
71
2026 GMC Sierra
Denali 4WD
$819/mobase + tax
MSRP
$80,000
36mo
term
10k
mi/yr
$2,000
due at sign
Monarch Auto GroupLA Area / NorCalAvailablePosted 35d ago · Checked 31d ago
Sierra deals by metro
Frequently asked
- How much is a GMC Sierra lease per month?
- Live GMC Sierra deals on Clutch run from $555/mo, averaging $664/mo effective once the drive-off and any broker fee are amortized over the term.
- Are these GMC deals available in my state?
- Deals are state and metro scoped. Current GMC Sierra listings cover CA. Pick your metro above to filter.