Is the GMC Sierra 2500 HD lease a good deal?

Advertised at $799/mo, the GMC Sierra 2500 HD truly costs about $1,042/mo once the $9,539 due at signing is spread across the 36-month term. We grade it D.

What is the real monthly cost of the GMC Sierra 2500 HD lease?

About $1,042 per month, versus the $799 advertised payment.

GMC Sierra 2500 HD Lease Deals: $799/mo, True Cost $1,042/mo (November 2026)

Updated November 2026 · Offer source

Advertised$799/mo

Due at signing$9,539

Term36 months

True cost$1,042/mo

GradeD

Offer endsNovember 30, 2026

vs rivals: GMC Sierra EV $1,059/mo · Chevrolet Silverado EV $845/mo · GMC Sierra 1500 $570/mo

All 8 full-size pickups with a lease, ranked →

Deal grade

Advertised

$799/mo

True cost

$1,042/mo

Graded on true cost as a percent of MSRP, against other full-size pickups. This lease is 1.34%. How we grade

How $799 becomes $1,042

The ad says $799 a month, and it also asks for $9,539 at signing.
$799 of that is your first payment. The other $8,740 is extra money that you pay up front.
Spread across the 36 months of the lease, $8,740 is $243 a month.

$799advertised payment

$243up-front money, each month

$1,042true cost a month

$9,539

Due at signing

36 mo

Term

$37,504

Total cost

1.34%

Of MSRP each month

Every offer, ranked by true cost

Trim	Advertised	Due	Term	True cost	Grade
2026 Denali MSRP $77,995	$799	$9,539	36 mo	$1,042	D

The math for the 2026 Denali

Due at signing, with payment 1 in it: $9,539
35 more payments of $799: $27,965
Total for 36 months: $37,504
True cost each month: $1,042
Cost for each mile, with 30,000 miles allowed: $1.25

Tax, title, license, and dealer fees are extra. Try your own numbers

The offer ends November 30, 2026. See the offer page

Deal grade

Advertised

$799/mo

True cost

$1,236/mo

Graded on true cost as a percent of MSRP, against other full-size pickups. This lease is 1.58%. How we grade

How $799 becomes $1,236

The ad says $799 a month, and it also asks for $11,289 at signing.
$799 of that is your first payment. The other $10,490 is extra money that you pay up front.
Spread across the 24 months of the lease, $10,490 is $437 a month.

$799advertised payment

$437up-front money, each month

$1,236true cost a month

$11,289

Due at signing

24 mo

Term

$29,666

Total cost

1.58%

Of MSRP each month

Every offer, ranked by true cost

Trim	Advertised	Due	Term	True cost	Grade
2026 Denali MSRP $77,995	$799	$11,289	24 mo	$1,236	D

The math for the 2026 Denali

Due at signing, with payment 1 in it: $11,289
23 more payments of $799: $18,377
Total for 24 months: $29,666
True cost each month: $1,236
Cost for each mile, with 20,000 miles allowed: $1.48

Tax, title, license, and dealer fees are extra. Try your own numbers

The offer ends November 30, 2026. See the offer page

How the GMC Sierra 2500 HD lease changed

Since October 12, 2026, the true cost went up by $34 a month, from $1,008 to $1,042.

October 12, 2026: $799/mo, $8,319 due, 36 mo: $1,008
October 17, 2026: $799/mo, $8,319 due, 36 mo: $1,008
October 31, 2026: $799/mo, $8,319 due, 36 mo: $1,008
November 5, 2026: $799/mo, $9,539 due, 36 mo: $1,042
November 11, 2026: $799/mo, $9,539 due, 36 mo: $1,042

Each line is the best offer where most regions share it, on the day that we collected the offers.

How it ranks among full-size pickups

The GMC Sierra 2500 HD has the 6th lowest true cost of 8 full-size pickups with an advertised lease this month. The lowest is the Chevrolet Silverado 1500 at $556 a month.

The middle true cost in the class is $736 a month, and the GMC Sierra 2500 HD costs $306 more. Each month it costs 1.34% of its MSRP, and the middle of the class is 1.21%.