GMC 24258947 Auto Transmission Wnty 400-5193 FT15 6.0L 124K

( Manufacturer Part Number: 24258947 ), ( Part Type: Transmission ), ( Ipn: 400-5193 ), ( Condition And Options: At; 6.0l, 4x4 ), ( Partout Id: A-128572175 )

Review GMC Auto Transmission 6.0l 124k Miles Month Wnty fits SIERRA 2500 4X4 2015

The **GMC Sierra 2500HD 4x4 (FT15) with the 6.0L V8 Duramax Diesel and Automatic Transmission (VIN 24258947)** represents the pinnacle of heavy-duty truck engineering, blending raw power, rugged reliability, and cutting-edge technology to deliver an unmatched workhorse for demanding tasks. Built on the legendary **Duramax 6.0L turbocharged diesel engine**, this powerhouse generates a staggering **470 horsepower and 975 lb-ft of torque**, ensuring effortless towing capacity exceeding **12,000 pounds** when properly equipped while maintaining smooth, responsive performance even under the heaviest loads. The **6-speed automatic transmission**, paired with the **Duramax s advanced turbocharging and fuel injection systems**, delivers seamless shifting and exceptional fuel efficiency for a diesel of its class, often achieving **8-12 MPG** depending on driving conditions, making it a cost-effective choice for long-haul work or daily towing needs.

Designed with **GMC s signature durability**, the **FT15 Sierra 2500HD** features a **full-frame construction** reinforced with high-strength steel, ensuring uncompromising strength and longevity even when hauling oversized payloads or navigating rough terrain. The **4x4 capability**, equipped with a **full-time four-wheel-drive system**, provides unmatched off-road versatility, allowing the truck to conquer mud, snow, or rocky trails with confidence while maintaining stability on highways. The **Duramax s advanced emissions compliance** meeting **EPA 2017 standards** ensures compliance with modern regulations without sacrificing performance, thanks to features like **selective catalytic reduction (SCR) and diesel particulate filters (DPF)** that keep emissions low while preserving the engine s power and efficiency.

Inside, the **FT15 Sierra 2500HD** offers a **spacious, premium cabin** with **available leather-appointed seating**, **heated front seats**, and **adjustable pedals** for enhanced comfort during long workdays. The **infotainment system**, featuring a **large touchscreen display**, integrates seamlessly with **Apple CarPlay and Android Auto**, providing easy access to navigation, media, and connectivity options. Advanced driver aids, such as **trailer backup assist, adaptive cruise control, and a surround-view camera system**, further enhance safety and convenience, making this truck as capable in the office as it is on the job site. With **available **Bed Extender** and **Heavy-Duty Trailer Tow Package**, this GMC is ready to tackle any challenge, whether it s hauling a boat, a camper, or construction equipment, all while maintaining the refined luxury and reliability that define the **Sierra 2500HD** lineup.

For those who demand **uncompromising performance, off-road prowess, and diesel efficiency**, the **GMC Sierra 2500HD 4x4 (FT15) with the 6.0L Duramax and automatic transmission** stands as a testament to GMC s commitment to innovation and durability. Whether used for **commercial hauling, extreme off-roading, or as a versatile daily driver**, this truck combines **brutal strength with refined sophistication**, ensuring it remains a top choice for those who refuse to settle for less.

### **Pros and Cons of Buying a 2015 GMC Sierra 2500HD 4x4 (VIN: 24258947) with a 6.0L V8 and Automatic Transmission**

1. **Strong Engine and Towing Capacity** The 6.0L V8 (LML engine) is a reliable powerhouse, capable of towing up to **10,000 lbs** (with proper equipment) and hauling heavy loads. This makes it ideal for work, off-roading, or large trailers.

2. **Durable 6-Speed Automatic Transmission** The 6L90 transmission (common in GM full-size trucks from this era) is known for its robustness, especially when paired with the 6.0L V8. It handles heavy loads and towing well, though it may require occasional fluid changes.

3. **4x4 Capability** The **ZL1 or Dually 4x4 configuration** (depending on the build) provides excellent off-road and snow traction, making it suitable for rugged terrain, construction work, or winter driving.

5. **Spacious Cab and Bed Options** The **Extended Cab (Double Cab) and Crew Cab** versions offer ample seating and cargo space. The **crew cab** is particularly useful for families or work crews.

6. **Proven Reliability (for the Era)** The 6.0L V8 is a well-tested engine with fewer issues compared to some modern turbocharged alternatives. Many examples from this generation have lasted **200,000 miles** with proper maintenance.

7. **Good Resale Value** Full-size GM trucks from this era hold their value reasonably well, especially if well-maintained.

- Skid plates (front and rear)

- Heavy-duty suspension

- Locking rear differential (if equipped)

- High-lift suspension (in some off-road trims)

9. **Lower Upfront Cost** Compared to newer trucks, this model is significantly cheaper, making it a budget-friendly option for those needing heavy-duty capability.

10. **Parts and Service Availability** GM dealerships and independent mechanics still service these trucks, and parts are widely available.

---

- **Wear and tear** on suspension, drivetrain, and interior components.

- **Potential for major repairs** (transmission, differentials, axles, or cooling system).

- **Higher long-term maintenance costs** compared to a newer truck.

2. **Fuel Efficiency** The **6.0L V8** gets around **12-14 MPG combined**, which is poor compared to modern diesel or turbocharged engines. Fuel costs will be higher than a newer truck.

3. **Transmission and Drivetrain Wear** The **6L90 transmission** can develop **slippage, rough shifting, or failure** if fluid hasn t been changed regularly. The **transfer case and axles** may also need attention if the truck has seen heavy use.

4. **Cooling System Issues** The **6.0L V8 is prone to overheating** if the **radiator, water pump, or thermostat** fails. Regular coolant flushes are critical.

5. **Electrical and Infotainment Limitations** The **infotainment system** (if equipped) may be outdated compared to modern trucks. Electrical gremlins (blown fuses, sensor failures) are more common in older GM trucks.

6. **Rust Concerns** If the truck was driven in **snowy, salty, or humid climates**, rust could be an issue, especially on the **undercarriage, wheel wells, and frame**.

- Advanced driver-assistance systems (adaptive cruise, lane-keep assist)

- Improved crash-test ratings

- Better fuel economy

- **Leaking seals or gaskets**

- **Worn-out bushings or ball joints**

- **Exhaust or emissions issues**

9. **Resale Depreciation** While it holds value better than some trucks, it will still lose value over time, unlike a newer model that retains more equity.

10. **Environmental Regulations** Some **off-road or modified trucks** may face restrictions in certain areas due to emissions or noise laws.

---

### **Key Considerations Before Purchase**

- **Transmission fluid condition**

- **Cooling system integrity**

- **Suspension and drivetrain wear**

- **Underbody for rust**

- **Electrical system**

2. **Check Maintenance Records**

- **Transmission fluid changes** (every 60K miles)

- **Coolant flushes** (every 5 years)

- **Timing belt/chain** (if applicable, though the 6.0L uses a chain)

- **Spark plugs and ignition coils**

3. **Test Drive for Smoothness**

- Listen for **unusual noises** (grinding, whining, or hesitation).

- Check for **rough shifting** in the transmission.

- Test **4x4 engagement** and **locking differential** (if equipped).

4. **Negotiate Based on Condition**

- If the truck has **high mileage or signs of neglect**, expect to pay less.

- If it s **well-maintained with low miles**, it may still be a good deal.

5. **Consider Alternatives**

- If you need **better fuel economy**, a **2018 diesel Ram 2500 or Ford F-250** might be worth the extra cost.

- If you want **modern tech**, a **2020 GMC Sierra Denali** could be a better long-term investment.

---

### **Final Recommendation**

You **need heavy-duty towing or hauling** and can t afford a newer model.

The **PPI shows it s in good mechanical condition** with no major hidden issues.

You re **prepared for higher maintenance costs** and plan to keep it for **5-7 years**.

You **don t mind lower fuel efficiency** and prefer a **proven, durable engine**.

You find it at a **fair price** (below market value for its condition).

The **transmission or cooling system shows signs of neglect**.

The **suspension or drivetrain has excessive wear**.

You **can t afford unexpected repairs** (budget **$3,000-$5,000/year** for maintenance).

You **prioritize fuel efficiency, modern tech, or lower long-term costs**.

- **Get a PPI** before buying.

- **Negotiate aggressively** if issues are found.

- **Consider a shorter-term lease or used loaner** if you re unsure about long-term reliability.

- **If possible, look for a lower-mileage example (under 100K miles) with full service records.**

**Verdict:** This **2015 GMC Sierra 2500HD 6.0L 4x4** can be a **great value** if it s well-maintained, but it s **not a "set-and-forget" truck**. If you re prepared for potential repairs and need its towing power, it s a solid choice otherwise, a **newer diesel or turbocharged model** may be a smarter long-term investment.

Details:

SIERRA DENALI 2500 2015 - 2015 AT; 6.0L, 4X4. SIERRA 3500 PICKUP 2015 - 2015 AT; 6.0L, 4X4. Model: SIERRA 2500 PICKUP. SIERRA DENALI 3500 2015 - 2015 AT; 6.0L, 4X4.

part #: 24258947 prices

• $1985.00-$3295.00

specifications autotransmissionsgo:

• for models: 2500, 4x4, Sierra
• for makes: Gmc
• for years: 2015
• mpn: 24258947
• part type: Transmission
• ipn: 400-5193
• condition and options: At; 6.0l, 4x4
• partout id: A-128572175

shipping autotransmissionsgo:

• type: Fixed
• cost: $0.00
• service: Flat Rate Freight
• class: Freight

returns autotransmissionsgo:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

seller autotransmissionsgo:

• city: Stoystown, Pennsylvania
• # reviews: 23098
• rating: 99.9%

offer autotransmissionsgo:

• quantity: 1
• started: May 18, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

payments autotransmissionsgo:

• other
• credit card: Diners-club
• wallet: Apple-pay

general autotransmissionsgo:

• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
• condition: Used

Gmc 24258947 Is Similar To:

• 08 Gmc Acadia Automatic Transmission (39.7% similar) If needed replace timing gears, chains or belts gaskets. Pre-installation requirements: replace all seals. Clear all transmission computer codes prior to starting or operating vehicle. Flush and inspect cooling lines. Engines are guaranteed against knocking and excessive smoking. This engine comes ...(October 5th, 2017)
• 05 Astro 2005 Transmission Gmc Safari 100307 Chevy Automatic Rwd (37.5% similar) Persons of legal age must be present for delivery. Reset computer codes. Load is curbside delivery only. Daytime phone number is required, load will not deliver until appointment is scheduled. Box addresses. Automatic replace the following with new parts front pump seal, output shaft seal, pan ...(November 1st, 2014)
• 1104 Gmc 2010 Terrain Transmission (42.1% similar) The lower miles better quality, we maintain our quality by purchasing vehicles that are of low. You might think price is too high or low as not be comparing the same parts. Only those listing are being listed that qualify to be in tested and operational standards. 3: special Buddy cuts, frame ...(September 18th, 2017)
• Automatic Miles 2004 Chevrolet 0 Buick Oem 4sdd Transmission Gmc 12491882 (28.8% similar) Class thumb resize inmost FDA this. 2004 Chevrolet gmc Buick automatic transmission 4SDD new miles oem class thumb resize inmost FDA this. Please for a quote. Coming soon. If an item arrives damaged, please via message within 24 hours for instructions. Expedited shipping is available. Class thumb ...(February 14th, 2015)
• Gmc Automatic 1982-1987 4x4 Warranty Pickup Suburban Chevy Transmission (27.8% similar) 4X4, TH7 gasoline gmc 2500 pickup 87. Gasoline, W/O aux valve body Chevrolet 10 pickup 82. Manufactured trucks and Suva from 4X4, TH7 gasoline Chevrolet 20 pickup 87. 4X4, TH7 gasoline suburban. 4X4, TH7 gasoline, W/O aux valve body suburban. 4X4, TH7 gasoline Chevrolet 10 pickup 87. 4X4, TH7 ...(August 7th, 2014)
• 1999-2000 Gmc Sierra 1500 4x4 4.8l Automatic Transmission 81 065 Miles 400-3460 (52.8% similar) 8l 4X4 model's only. Fits sierra great...(September 4th, 2016)
• 1gc1cueg8ff640181 Chevrolet Gmc Silverado Automatic Transmission (37.5% similar) 90,000 miles...(January 10th, 2019)
• 4780e 2005 Gmc Transmission Mt1 Rpo Code (33.3% similar) Truck is in kilometers and has 157899KM which converts 157899KM 98113MI truck was purchased on with km. Dismantling 2005 gmc work truck with a transmission auto 4 sped, HMS, 4L80 remainder of truck is being sold see other posting and could be sold together. This transmission is in good working ...(May 30th, 2016)
• ISUZU GMC NPR Automatic Transmission 4BD2T (38.7% similar) This is a good used auto transmission out of a 1995 Isuzu NPR cab over truck that had around 200,000 miles on it. When the transmission was removed it was shifting and working good...(May 6th, 2014)
• Transmission Chevrolet 4l6oe 96 Gmc 5.0l 4x2 Cab Pickup 1500 2500 Ext Automatic (34% similar) Ext cab GM1500 96 auto at, 4X2, 4L60E opt M30, ext cab GM2500 96 auto at, 4X2, 4L60E opt M30, the parts compatibility list may not have all options listed. Ext cab CT2500 96 auto at, 4X2, 4L60E opt M30...(March 13th, 2015)
• 6e5z19d734ba F2ta7003ka Automatic Transmission 6spd 07 08 Chevy Silverado Gmc 2500 3500 Gas 4x4 6l90 Myd 400-422 (37.5% similar) 4X4GM 2749IDENT ska ' sped. 4X4 mileage 79,000 price 1,499. 4X4 3 SILV35 07. 4X4 9 SIER35 08. 4X4 4 SILV35 08. 4X4, 6 speed opt mud 2 SILV25 08. 4X4, 6 speed opt mud 7 SIER25 08. 6L90, X16R, mud. 4X4 5 SUB250 08. 4X410 YKXL25 08. Warranty 30 day, unlimited mileage on all engines and transmissions. ...(March 21st, 2016)