2026 Chevrolet Silverado 2500HD Diesel 4WD Dbl Cab SB
The 2026 Chevrolet Silverado 2500HD Diesel 4WD Dbl Cab SB is a 470-hp 6.6-liter turbocharged with an allison 10l1000 10-speed automatic overdrive and four-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | Duramax 6.6L OHV V-8 turbocharged diesel; cast iron block; cast aluminum cylinder heads |
| Displacement | 6.6 L |
| Horsepower | 470 hp |
| Torque | 975 lb-ft |
| Valvetrain | Overhead-valve (OHV); 4 valves per cylinder |
| Bore and Stroke | 103.0 x 99.0 |
| Compression Ratio | 16.0:1 |
| Injection Type | Common-rail direct fuel injection |
| Drivetrain | |
| Drive Type | 4WD |
| Transmission | |
| Transmission | Allison 10L1000 10-speed automatic overdrive |
| 1st Gear | 4.54 |
| 2nd Gear | 2.87 |
| 3rd Gear | 2.06 |
| 4th Gear | 1.72 |
| 5th Gear | 1.48 |
| 6th Gear | 1.26 |
| 7th Gear | 1 |
| 8th Gear | 0.85 |
| 9th Gear | 0.69 |
| 10th Gear | 0.63 |
| Reverse | 4.54 |
| Final Drive | 3.42 |
| Fuel Economy | |
| Recommended Fuel | Diesel fuel |
| Tank Capacity | 29.4 gal |
| Suspension | |
| Front Suspension | Short-and-long-arm (SLA) independent front suspension; torsion bars; twin-tube shock absorbers; stabilizer bar |
| Rear Suspension | Semi-elliptic three-stage multi-leaf springs; twin-tube shock absorbers; stabilizer bar (3500-series leaf springs and shocks available on 2500 with Max Towing package) |
| Brakes | |
| Front Brake Disc | 14.0" x 1.6" (355 x 40 mm) ventilated disc; power-assisted Hydroboost; ABS with StabiliTrak ESC |
| Rear Brake Disc | 14.1" x 1.3" (360 x 34 mm) solid disc; power-assisted |
| Tires & Wheels | |
| Wheels Front | 17" steel (standard) or 17" aluminum, 18" steel/aluminum, 20" aluminum (available) |
| Wheels Rear | 17" steel (standard) or 17" aluminum, 18" steel/aluminum, 20" aluminum (available) |
| Tires Front | LT265/70R17 AT (standard); LT245/75R17 ALS, LT275/70R18 AT, LT275/65R20 AT (available) |
| Tires Rear | LT265/70R17 AT (standard); LT245/75R17 ALS, LT275/70R18 AT, LT275/65R20 AT (available) |
| Dimensions & Weight | |
| Length | 240.45 in |
| Width | 81.85 in |
| Height | 79.95 in |
| Wheelbase | 149.4 in |
| Front Track | 68.1 in |
| Rear Track | 68.3 in |
| Ground Clearance | 10.19 in |
| Curb Weight | 7,585 lbs |
| Interior | |
| Headroom Front | 43.03 in |
| Headroom Rear | 39.88 in |
| Legroom Front | 44.53 in |
| Legroom Rear | 35.24 in |
| Shoulder Room Front | 66.02 in |
| Shoulder Room Rear | 64.88 in |
| Hip Room Front | 61.18 in |
| Hip Room Rear | 60.24 in |