2008 GMC Sierra Crash Test Ratings
The NHTSA conducts comprehensive vehicle crash tests for all models, resulting in the following
2008 GMC Sierra safety ratings listed below. View rollover
ratings, and impact ratings from front and side crashes. Find out how high this car ranks with
2008 GMC Sierra ratings.
2008 GMC Sierra 1500 4-DR. Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | ![]() |
Front Occupant | ![]() |
| Passengers Side | ![]() |
Rear Occupant | ![]() |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | 418 HIC | 34g | 334lbs | 446lbs |
| Passenger Side | 427 HIC | 40g | 527lbs | 721lbs |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | 27 TTI | 30g |
| Rear Occupant | 26 TTI | 35g |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
![]() |
1.19 | No-tip |
2008 GMC Sierra 1500 4-DR. w/SAB Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | ![]() |
Front Occupant | ![]() |
| Passengers Side | ![]() |
Rear Occupant | ![]() |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | 418 HIC | 34g | 334lbs | 446lbs |
| Passenger Side | 427 HIC | 40g | 527lbs | 721lbs |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | 33 TTI | 47g |
| Rear Occupant | 27 TTI | 44g |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
![]() |
1.19 | No-tip |
2008 GMC Sierra 1500 Extended Cab Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | ![]() |
Front Occupant | ![]() |
| Passengers Side | ![]() |
Rear Occupant | ![]() |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | 471 HIC | 35g | 509lbs | 751lbs |
| Passenger Side | 427 HIC | 42g | 481lbs | 806lbs |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | 45 TTI | 44g |
| Rear Occupant | 43 TTI | 43g |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
![]() |
1.19 | No-tip |
2008 GMC Sierra 1500 Extended Cab w/SAB Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | ![]() |
Front Occupant | ![]() |
| Passengers Side | ![]() |
Rear Occupant | ![]() |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | 471 HIC | 35g | 509lbs | 751lbs |
| Passenger Side | 427 HIC | 42g | 481lbs | 806lbs |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | 34 TTI | 45g |
| Rear Occupant | 37 TTI | 52g |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
![]() |
1.19 | No-tip |
2008 GMC Sierra 1500 Regular Cab Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | ![]() |
Front Occupant | ![]() |
| Passengers Side | ![]() |
Rear Occupant | N/A |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | 471 HIC | 35g | 509lbs | 751lbs |
| Passenger Side | 427 HIC | 42g | 481lbs | 806lbs |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | 45 TTI | 44g |
| Rear Occupant | N/A | N/A |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
![]() |
1.19 | No-tip |
2008 GMC Sierra 1500 Regular Cab w/SAB Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | ![]() |
Front Occupant | ![]() |
| Passengers Side | ![]() |
Rear Occupant | N/A |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | 471 HIC | 35g | 509lbs | 751lbs |
| Passenger Side | 427 HIC | 42g | 481lbs | 806lbs |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | 34 TTI | 45g |
| Rear Occupant | N/A | N/A |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
![]() |
1.19 | No-tip |
2008 GMC Sierra 2500 4-DR. Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | N/A | Front Occupant | N/A |
| Passengers Side | N/A | Rear Occupant | N/A |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | N/A | N/A | N/A | N/A |
| Passenger Side | N/A | N/A | N/A | N/A |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | N/A | N/A |
| Rear Occupant | N/A | N/A |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
| N/A | N/A | N/A |
2008 GMC Sierra 2500 Extended Cab Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | N/A | Front Occupant | N/A |
| Passengers Side | N/A | Rear Occupant | N/A |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | N/A | N/A | N/A | N/A |
| Passenger Side | N/A | N/A | N/A | N/A |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | N/A | N/A |
| Rear Occupant | N/A | N/A |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
| N/A | N/A | N/A |
2008 GMC Sierra 2500 Regular Cab Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | N/A | Front Occupant | N/A |
| Passengers Side | N/A | Rear Occupant | N/A |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | N/A | N/A | N/A | N/A |
| Passenger Side | N/A | N/A | N/A | N/A |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | N/A | N/A |
| Rear Occupant | N/A | N/A |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
| N/A | N/A | N/A |
2008 GMC Sierra 3500 4-DR. Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | N/A | Front Occupant | N/A |
| Passengers Side | N/A | Rear Occupant | N/A |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | N/A | N/A | N/A | N/A |
| Passenger Side | N/A | N/A | N/A | N/A |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | N/A | N/A |
| Rear Occupant | N/A | N/A |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
| N/A | N/A | N/A |
2008 GMC Sierra 3500 Extended Cab Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | N/A | Front Occupant | N/A |
| Passengers Side | N/A | Rear Occupant | N/A |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | N/A | N/A | N/A | N/A |
| Passenger Side | N/A | N/A | N/A | N/A |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | N/A | N/A |
| Rear Occupant | N/A | N/A |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
| N/A | N/A | N/A |
2008 GMC Sierra 3500 Regular Cab Safety Ratings
| Frontal Impact | Side Impact | ||
| Drivers Side | N/A | Front Occupant | N/A |
| Passengers Side | N/A | Rear Occupant | N/A |
| Frontal | Head Injury Criterion | Chest Deceleration (g's) | Femur Load (lbs) |
| Drivers Side | N/A | N/A | N/A | N/A |
| Passenger Side | N/A | N/A | N/A | N/A |
| Side | Thoratic Trauma Index (TTI) | Pelvis Deceleration (g's) |
| Front Occupant | N/A | N/A |
| Rear Occupant | N/A | N/A |
| Rollover Resistance Rating | Static Stability Factor | Dynamic Test |
| N/A | N/A | N/A |
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