1999 GMC Sierra 1500
Crash Test Safety Ratings
NCAP 5-Star Crash Test/Rollover Ratings
The NHTSA has not conducted NCAP crash tests for the 1999 Sierra 1500 yet.
IIHS Crash Test & Rollover Safety Ratings
Good Acceptable Marginal Poor
1999 GMC Sierra 1500 Extended cab pickup
- Moderate Overlap
- M Overall
P Structure
G Head/Neck Injury
G Chest Injury
G Left Leg Injury
G Right Leg Injury
P Restraints
Full IIHS Moderate Overlap Crash Test report »
- Small Overlap (Driver)
- Not tested.
- Small Overlap (Passenger)
- Not tested.
- Side Rating
- Not tested.
- Rear Rating
- Not tested.
- Rollover Rating
- Not tested.
Ratings only apply to the model and body or seat type tested. The date of manufacture and optional safety equipment can affect results. For full details see www.iihs.org.