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GM Platinum 8yr/100k price: what buyers actually paid
10 sourced price points for the factory-backed GM Protection Plan (Chevrolet/GMC/Buick/Cadillac) Platinum plan at 8 years / 100,000 miles. Vehicles in these reports: 2024 Colorado Trail Boss, 2026 Sierra Denali, Colorado (under 12k miles), GMC Sierra 1500, under 12k miles, in B2B warranty, Silverado.
Lowest reported online/paid$2,000Thompson Auto / MacMulkin Chevrolet (NH) · ded. $250 · 2025
Highest dealer quote$4,300Local dealer · 2026
Reported gap$2,300Deductibles/dates may differ; see rows.
| Term | Deductible | Price | Type | Seller | Vehicle | Reported | Source |
|---|---|---|---|---|---|---|---|
| 8yr / 100k | $250 | $2,000 | Paid (reported) | Thompson Auto / MacMulkin Chevrolet (NH) | 2024 Colorado Trail Boss 'just under $2000' | 2025 | source via search index |
| 8yr / 100k | $0 | $2,606 | Online seller quote | Sheridan Motors (WY) | 2026 Sierra Denali | 2026 | source via search index |
| 8yr / 100k | $0 | $2,700 | Paid (reported) | Knapp Chevrolet (online) | Silverado Bought Nov 2024, 'about $2700' | 2025-05-28 | source |
| 8yr / 100k | — | $2,703 | Online seller quote | Wareing Motors | Colorado (under 12k miles) Quote posted by dealer rep | 2025 | source via search index |
| 8yr / 100k | $100 | $2,804 | Online seller quote | Sheridan Motors (WY) | GMC Sierra 1500, under 12k miles, in B2B warranty | 2026-08-26 | source |
| 8yr / 100k | $0 | $2,806 | Online seller quote | Thompson Auto / MacMulkin Chevrolet (NH) | 2026 Sierra Denali | 2026 | source via search index |
| 8yr / 100k | $0 | $3,019 | Online seller quote | Sheridan Motors (WY) | GMC Sierra 1500, under 12k miles, in B2B warranty | 2026-08-26 | source |
| 8yr / 100k | $0 | $3,414 | Online seller quote | Laurel | 2026 Sierra Denali | 2026 | source via search index |
| 8yr / 100k | $0 | $3,541 | Online seller quote | Knapp Chevrolet | 2026 Sierra Denali | 2026 | source via search index |
| 8yr / 100k | $0 | $4,300 | Dealer quote | Local dealer | 2026 Sierra Denali | 2026 | source via search index |
Your price depends on your VIN, current mileage, state and add-ons. Use these as a benchmark, get a written quote from 2-3 sellers, then ask your dealer to match. How to buy a factory plan cheaper.