Lease or Buy a GMC Sierra 1500? 3-Year Cost Compared (November 2026)

Over 3 years, leasing a 2026 Sierra 1500 Elevation costs $20,769 vs about $17,092 to buy and sell (per CarWhere data) — buy wins by $3,677, and buying's lead grows the longer you keep it.

By the CarWhere Research Team · Manufacturer lease programs, verified CarWhere deals and our depreciation report · Updated daily

Lease for 3 years

Advertised payment$299/mo × 24 mo
Due at signing$6,969
Total over 24 months$13,846
Prorated to 36 months$20,769
Lease cost, 3 years$20,769

GMC's California-region offer on the 2026 Sierra 1500 Elevation, ends November 30, 2026. No acquisition or disposition fee is listed with the offer, so none is added.

Buy, then sell after 3 years

MSRP$56,695
Price CarWhere buyers pay$51,846
Resale at 3 years (−38.7%)−$34,754
Cash buy, 3 years$17,092
Financed at 0% APR, 3 years$17,092

Price = the $56,695 MSRP minus the 8.6% median discount CarWhere buyers got on the Sierra 1500 (63 verified deals). Finance line: GMC's 0% / 60-month APR offer, $0 down, interest paid in the first 36 months.

Buying wins by $3,677 over 3 years (cash); financed, the gap is $3,677 in favor of buying.

If you keep it longer

Leasing continuously at the same effective rate vs buying once and selling at year N (resale from our depreciation report; cash purchase).

GMC Sierra 1500: cumulative cost of leasing vs buying and selling, by years kept
Years keptLease (continuous)Buy and sellCheaper
3$20,769$17,092Buy
4$27,692$19,303Buy
5$34,615$24,122Buy
6$41,538$25,426Buy
7$48,461$26,957Buy
8$55,384$30,812Buy

Assumptions

  • Lease: $6,969 due at signing + $299 × 23 remaining payments = $13,846 over 24 months, prorated to 36 months ($20,769). You return the car with no excess-mileage or wear charges.
  • Buy: the $56,695 MSRP minus the 8.6% median discount CarWhere buyers got on the Sierra 1500 (63 verified deals); sold after 3 years at 61.3% of the MSRP.
  • Resale: CarWhere depreciation report (2026-10-25) for the GMC Sierra 1500 — median used-listing price by model year vs the median new price.
  • Excluded on both sides: sales tax, registration, insurance, maintenance.

FAQ

Is it better to lease or buy a Sierra 1500?

Over 3 years, leasing a 2026 Sierra 1500 Elevation costs $20,769 vs about $17,092 to buy and sell (per CarWhere data) — buy wins by $3,677, and buying's lead grows the longer you keep it. The lease side is the current advertised GMC offer ($299/mo for 24 months, $6,969 due at signing); the buy side is the $56,695 MSRP minus the 8.6% median discount CarWhere buyers got on the Sierra 1500 (63 verified deals), less the 38.7% a 3-year-old Sierra 1500 loses in value. Taxes, registration, insurance and maintenance are left out of both.

How much does a Sierra 1500 lose in value in 3 years?

About 38.7% below the new price at 3 years old, from median used-listing prices vs the median new price in CarWhere's depreciation report (2026-10-25). On this $56,695 MSRP that is a resale value of about $34,754.

How long do you have to keep a Sierra 1500 for buying to win?

Buying already costs less at 3 years ($17,092 vs $20,769 to lease), and the gap widens each year you keep it.

Does financing change the Sierra 1500 lease-or-buy math?

With GMC's 0% APR for 60 months offer (ends November 30, 2026), financing the full price adds about $0 of interest in the first 3 years, so buying and selling costs about $17,092 vs $20,769 to lease. That assumes $0 down and top-tier credit.

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