2026 Chevrolet Silverado 2500HD Gas 2WD Crew Cab SB
The 2026 Chevrolet Silverado 2500HD Gas 2WD Crew Cab SB is a 401-hp 6.6-liter pickup truck with an allison 10l1000 10-speed automatic overdrive and rear-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 6.6L OHV V-8 gasoline/E85 FlexFuel; cast iron block with nodular iron main caps; cast aluminum cylinder heads |
| Displacement | 6.6 L |
| Horsepower | 401 hp |
| Torque | 464 lb-ft |
| Valvetrain | Overhead-valve (OHV); 2 valves per cylinder; variable valve timing (VVT) |
| Bore and Stroke | 103.25 x 98.0 |
| Compression Ratio | 10.8:1 |
| Injection Type | Gasoline direct injection (GDI) |
| Drivetrain | |
| Drive Type | RWD |
| 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 | 3.73 |
| Fuel Economy | |
| Recommended Fuel | Regular unleaded (87 octane) or E85 FlexFuel |
| Tank Capacity | 36 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 | 249.95 in |
| Width | 81.85 in |
| Height | 79.82 in |
| Wheelbase | 158.94 in |
| Front Track | 68.1 in |
| Rear Track | 68.3 in |
| Ground Clearance | 10.12 in |
| Curb Weight | 6,688 lbs |
| Interior | |
| Headroom Front | 43.03 in |
| Headroom Rear | 40.12 in |
| Legroom Front | 44.53 in |
| Legroom Rear | 43.4 in |
| Shoulder Room Front | 66.02 in |
| Shoulder Room Rear | 65.3 in |
| Hip Room Front | 61.18 in |
| Hip Room Rear | 60.24 in |