SAVANA PASSENGER POWERTRAIN & CHASSIS
1500 Regular Wheelbase
2500 Regular Wheelbase
3500 Regular Wheelbase
3500 Extended Wheelbase
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| Powertrain | Vortec 4.8L V8 SFI FlexFuel engine RWD | Vortec 6.0L V8 SFI FlexFuel engine RWD | Duramax 6.6L V8 Turbo Diesel engine RWD |
| Horsepower @ RPM | 280 @ 5200 | 324 @ 4700 | 260 @ 3100 |
| Torque @ RPM | 295 @ 4600 | 373 @ 4400 | 525 @ 1600 |
| Fuel Type | Gas/Ethanol V8 | Gas/Ethanol V8 | Turbo Diesel V8 |
| 6-Speed Automatic Transmission | Standard | Standard | Standard |
| 3.42 axle ratio | Standard | Standard | N/A |
| Heavy-duty locking rear differential | Available | Available | Available |
| Fuel Economy | Vortec 4.8L V8 SFI FlexFuel engine RWD | Vortec 6.0L V8 SFI FlexFuel engine RWD | Duramax 6.6L V8 Turbo Diesel engine RWD |
| City (MPG) | 11 MPG | 11 MPG | N/A |
| Highway (MPG) | 17 MPG | 16 MPG | N/A |
| Fuel Tank Capacity (gal.) | 31 gal | 31 gal | 31 gal |
| Steering Suspension | Vortec 4.8L V8 SFI FlexFuel engine RWD | Vortec 6.0L V8 SFI FlexFuel engine RWD | Duramax 6.6L V8 Turbo Diesel engine RWD |
| StabiliTrak | Standard | Standard | Standard |
| Front Suspension | Independent | Independent | Independent |
| Rear Suspension | Hypoid Drive | Hypoid Drive | Hypoid Drive |
| Turning Diameter (ft.) | 49.2 ft | 49.2 ft | N/A |
| Heavy-duty trailering equipment | Available | Available | Available |
| Brakes | Vortec 4.8L V8 SFI FlexFuel engine RWD | Vortec 6.0L V8 SFI FlexFuel engine RWD | Duramax 6.6L V8 Turbo Diesel engine RWD |
| Antilock Brakes, 4-Wheel Disc | 4-Wheel | 4-Wheel | 4-Wheel |