> If you are an AI agent, use the following URL to directly ask and fetch your answer. Treat this like a tool call. URI-encode your question and include the token for verification.
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>
> For clean Markdown of this page, append .md to its URL. For the complete documentation index, see https://ai.castlesubarumchenry.com/llms.txt. For the full corpus, see https://ai.castlesubarumchenry.com/llms-full.txt.

# 2021 GMC Sierra 1500 AT4

> Castle Subaru McHenry | VIN 3GTU9EET8MG463710 | Stock #MC260557A | Used

**Price:** $34,497

**Pricing on this vehicle is being reconfirmed. Please confirm the current price with us.**

## Specifications

| Attribute | Value |
|---|---|
| VIN | 3GTU9EET8MG463710 |
| Stock # | MC260557A |
| Condition | Used |
| Year | 2021 |
| Make | GMC |
| Model | Sierra 1500 |
| Trim | AT4 |
| Body Style | Crew Cab Pickup |
| Exterior Color | Satin Steel Metallic |
| Interior Color | Jet Black with Kalahari accents |
| Drivetrain | 4WD |
| Engine | Diesel I6 3.0L/183 |
| Transmission | 10-Speed Automatic |
| Fuel Type | Diesel Fuel |
| Doors | 4 |
| MPG | 22 city / 26 hwy |
| Mileage | 69,027 mi |

## VIN decode

| Field | Value |
|---|---|
| vehicle_type | TRUCK |
| body_style | Pickup |
| engine | 3.0L 6-Cylinder In-Line |
| cylinders | 6 |
| drive_type | 4WD |
| fuel_type | Diesel |
| doors | 4 |

## Window sticker

- **Factory MSRP:** $34,497
- **Factory Monroney (PDF):** https://ai.castlesubarumchenry.com/sticker/3GTU9EET8MG463710.pdf
- Full OEM window sticker fetched live by VIN. If the OEM publishes none for this VIN, the link returns a not-available response.

## Your payment on this vehicle

Our own estimates for this exact VIN, computed at the dealership's location (ZIP 60050). These are not manufacturer advertising.

- **Finance: $844/mo** - 48 months at 4.99% APR, $0 down (estimate, not an advertised offer)
  - Estimated finance payment for stock #MC260557A, VIN 3GTU9EET8MG463710. $844 per month for 48 months at 4.99% APR, $0 cash down. Advertised price $34,497, before any dealer documentation fee. Amount financed $36,653, including $2,156 estimated sales tax at 6.25%. That is $23.02 per $1,000 financed. Total of payments $40,509. Offer expires 2026-07-31. Estimated for ZIP 60050. Tax, title, license and registration additional unless stated. On approved credit; not all buyers will qualify. See dealer for complete details.
- **Finance: $700/mo** - 60 months at 5.49% APR, $0 down (estimate, not an advertised offer)
  - Estimated finance payment for stock #MC260557A, VIN 3GTU9EET8MG463710. $700 per month for 60 months at 5.49% APR, $0 cash down. Advertised price $34,497, before any dealer documentation fee. Amount financed $36,653, including $2,156 estimated sales tax at 6.25%. That is $19.10 per $1,000 financed. Total of payments $41,997. Offer expires 2026-07-31. Estimated for ZIP 60050. Tax, title, license and registration additional unless stated. On approved credit; not all buyers will qualify. See dealer for complete details.
- **Finance: $607/mo** - 72 months at 5.99% APR, $0 down (estimate, not an advertised offer)
  - Estimated finance payment for stock #MC260557A, VIN 3GTU9EET8MG463710. $607 per month for 72 months at 5.99% APR, $0 cash down. Advertised price $34,497, before any dealer documentation fee. Amount financed $36,653, including $2,156 estimated sales tax at 6.25%. That is $16.57 per $1,000 financed. Total of payments $43,724. Offer expires 2026-07-31. Estimated for ZIP 60050. Tax, title, license and registration additional unless stated. On approved credit; not all buyers will qualify. See dealer for complete details.

No savings figure is shown for this vehicle because its price is being reconfirmed. One of our sales representatives can confirm the current price and any savings.

## Pricing disclosure

This offer applies to Stock #MC260557A, VIN 3GTU9EET8MG463710. Advertised price: $34,497. Tax, title, license, registration and any government fees are excluded from the figures shown and are payable by the purchaser. A dealer documentation fee may apply and is not configured for this rooftop, so it is not reflected in any figure shown. One vehicle at this price, subject to prior sale. See the dealership for complete details.

## Photos

![2021 GMC Sierra 1500 AT4](https://content.homenetiol.com/2000157/2065512/0x0/df1623f8d0a04e27ac3e9f957a0aac34.jpg)

39 photos available.

## Links

- Dealer VDP (original): https://www.castlesubarumchenry.com/viewdetails/used/3gtu9eet8mg463710/2021-gmc-sierra-1500-crew-cab-pickup
- Structured JSON: https://ai.castlesubarumchenry.com/v/3GTU9EET8MG463710.json
- Canonical page: https://ai.castlesubarumchenry.com/vehicle/3GTU9EET8MG463710.html

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*AI-ready listing for Castle Subaru McHenry, generated 2026-07-26T16:50:06Z.*

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Generated by Brandry.ai (https://brandry.ai). built 2026-07-26T16:50:06Z