Specifications Comparison: 1999 GMC Sierra 1500 vs 2019 GMC Sierra 1500

Cargo Space: Cargo Volume

1999 GMC Sierra 1500

Cargo Volume

Trim	Cargo Volume ft³	Cargo Volume m³
2WD Regular Cab Standard Box SL Cargo Volume	56.9 ft³	1.61 m³
2WD Regular Cab Standard Box SLE Cargo Volume	56.9 ft³	1.61 m³
2WD Regular Cab Long Box SL Cargo Volume	70.7 ft³	2.0 m³
2WD Regular Cab Long Box SLE Cargo Volume	70.7 ft³	2.0 m³
2WD Extended Cab Standard Box SL Cargo Volume	43.5 ft³	1.23 m³
2WD Extended Cab Standard Box SLE Cargo Volume	56.9 ft³	1.61 m³
2WD Extended Cab Long Box SL Cargo Volume	70.7 ft³	2.0 m³
2WD Extended Cab Long Box SLE Cargo Volume	70.7 ft³	2.0 m³
4WD Regular Cab Standard Box SL Cargo Volume	56.9 ft³	1.61 m³
4WD Regular Cab Standard Box SLE Cargo Volume	56.9 ft³	1.61 m³
4WD Regular Cab Long Box SL Cargo Volume	70.7 ft³	2.0 m³
4WD Regular Cab Long Box SLE Cargo Volume	70.7 ft³	2.0 m³
4WD Extended Cab Standard Box SL Cargo Volume	56.9 ft³	1.61 m³
4WD Extended Cab Standard Box SLE Cargo Volume	56.9 ft³	1.61 m³
4WD Extended Cab Long Box SL Cargo Volume	70.7 ft³	2.0 m³
4WD Extended Cab Long Box SLE Cargo Volume	70.7 ft³	2.0 m³

2019 GMC Sierra 1500

Cargo Volume

Trim	Cargo Volume ft³	Cargo Volume m³
Regular Cab Long Box 2-Wheel Drive Cargo Volume	89.1 ft³	2.52 m³
Double Cab Standard Box 2-Wheel Drive Cargo Volume	71.7 ft³	2.03 m³
Double Cab Standard Box 2-Wheel Drive SLE Cargo Volume	71.7 ft³	2.03 m³
Double Cab Standard Box 2-Wheel Drive Elevation Cargo Volume	71.7 ft³	2.03 m³
Double Cab Standard Box 2-Wheel Drive SLT Cargo Volume	71.7 ft³	2.03 m³
Crew Cab Short Box 2-Wheel Drive Cargo Volume	62.9 ft³	1.78 m³
Crew Cab Short Box 2-Wheel Drive SLE Cargo Volume	62.9 ft³	1.78 m³
Crew Cab Short Box 2-Wheel Drive SLT Cargo Volume	62.9 ft³	1.78 m³
Crew Cab Short Box 2-Wheel Drive Denali Cargo Volume	62.9 ft³	1.78 m³
Crew Cab Standard Box 2-Wheel Drive Cargo Volume	71.7 ft³	2.03 m³
Crew Cab Standard Box 2-Wheel Drive SLE Cargo Volume	71.7 ft³	2.03 m³
Crew Cab Standard Box 2-Wheel Drive SLT Cargo Volume	71.7 ft³	2.03 m³
Crew Cab Standard Box 2-Wheel Drive Denali Cargo Volume	71.7 ft³	2.03 m³
Regular Cab Standard Box 4-Wheel Drive Cargo Volume	89.1 ft³	2.52 m³
Double Cab Standard Box 4-Wheel Drive Cargo Volume	71.7 ft³	2.03 m³
Double Cab Standard Box 4-Wheel Drive SLE Cargo Volume	71.7 ft³	2.03 m³
Double Cab Standard Box 4-Wheel Drive Elevation Cargo Volume	71.7 ft³	2.03 m³
Double Cab Standard Box 4-Wheel Drive SLT Cargo Volume	71.7 ft³	2.03 m³
Double Cab Standard Box 4-Wheel Drive AT4 Cargo Volume	71.7 ft³	2.03 m³
Crew Cab Short Box 4-Wheel Drive Cargo Volume	62.9 ft³	1.78 m³
Crew Cab Short Box 4-Wheel Drive SLE Cargo Volume	62.9 ft³	1.78 m³
Crew Cab Short Box 4-Wheel Drive SLT Cargo Volume	62.9 ft³	1.78 m³
Crew Cab Short Box 4-Wheel Drive AT4 Cargo Volume	62.9 ft³	1.78 m³
Crew Cab Short Box 4-Wheel Drive Denali Cargo Volume	62.9 ft³	1.78 m³
Crew Cab Standard Box 4-Wheel Drive Cargo Volume	71.7 ft³	2.03 m³
Crew Cab Standard Box 4-Wheel Drive SLE Cargo Volume	71.7 ft³	2.03 m³
Crew Cab Standard Box 4-Wheel Drive SLT Cargo Volume	71.7 ft³	2.03 m³
Crew Cab Standard Box 4-Wheel Drive AT4 Cargo Volume	71.7 ft³	2.03 m³
Crew Cab Standard Box 4-Wheel Drive Denali Cargo Volume	71.7 ft³	2.03 m³