2019 GMC Sierra 3500HD SLT Diesel
The 2019 GMC Sierra 3500HD SLT Diesel is a 445-hp 6.6-liter turbocharged with an allison 1000 6-speed automatic and four-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | Duramax 6.6L V-8 Turbo-Diesel; cast iron block, cast aluminum heads |
| Displacement | 6.6 L |
| Horsepower | 445 hp |
| Torque | 910 lb-ft |
| Valvetrain | OHV, 4 valves/cyl |
| Bore and Stroke | 103 x 99 |
| Injection Type | Common-rail direct fuel injection |
| Drivetrain | |
| Drive Type | 2WD or 4WD (SRW or DRW) |
| Transmission | |
| Transmission | Allison 1000 6-speed automatic |
| 1st Gear | 3.09 |
| 2nd Gear | 1.81 |
| 3rd Gear | 1.4 |
| 4th Gear | 1 |
| 5th Gear | 0.71 |
| 6th Gear | 0.61 |
| Reverse | 4.48 |
| Final Drive | 3.73 |
| Fuel Economy | |
| Recommended Fuel | Ultra-low-sulfur diesel |
| Suspension | |
| Front Suspension | Long- and short-arm independent front torsion bar suspension |
| Rear Suspension | Semi-elliptic three-stage multi-leaf spring |
| Brakes | |
| Front Brake Calipers | Vented disc 13.98 in (355 mm); Hydroboost power assist; four-wheel ABS |
| Tires & Wheels | |
| Wheels Front | 17 in steel (std) |
| Wheels Rear | 17 in steel (std SRW); 17 in forged polished alum (opt) |
| Tires Front | LT235/80R17 all-season (std) |
| Tires Rear | LT235/80R17 all-season (std) |
| Dimensions & Weight | |
| Length | 239.4 in |
| Width | 80.5 in |
| Height | 78.3 in |
| Wheelbase | 153.7 in |
| Curb Weight | 6 lbs |
| Interior | |
| Headroom Front | 42.8 in |
| Headroom Rear | 40.5 in |
| Legroom Front | 45.3 in |
| Legroom Rear | 40.9 in |
| Shoulder Room Front | 64.8 in |
| Shoulder Room Rear | 64.3 in |
| Hip Room Front | 60.7 in |
| Hip Room Rear | 60.2 in |