Specifications Comparison: 1998 GMC Sierra 1500 vs 2020 GMC Sierra 1500

Cargo Space: Cargo Volume

1998 GMC Sierra 1500

Cargo Volume

Trim	Cargo Volume ft³	Cargo Volume m³
2WD Regular Cab Short Box Cargo Volume	55.6 ft³	1.57 m³
2WD Regular Cab Sportside Short Box Cargo Volume	42.1 ft³	1.19 m³
2WD Regular Cab Long Box Cargo Volume	69.1 ft³	1.96 m³
2WD Regular Cab Wideside Short Box Cargo Volume	55.6 ft³	1.57 m³
2WD Regular Cab Wideside Short Box (CMI) Cargo Volume	55.6 ft³	1.57 m³
4WD Regular Cab Short Box Cargo Volume	55.6 ft³	1.57 m³
2WD Regular Cab Wideside Long Box Cargo Volume	69.1 ft³	1.96 m³
4WD Regular Cab Long Box Cargo Volume	69.1 ft³	1.96 m³
2WD Regular Cab Wideside Long Box (CMI) Cargo Volume	69.1 ft³	1.96 m³
2WD Extended Cab Sportside Short Box Cargo Volume	42.1 ft³	1.19 m³
2WD Extended Cab Wideside Short Box Cargo Volume	55.6 ft³	1.57 m³
2WD Extended Cab Wideside Short Box (CMI) Cargo Volume	55.6 ft³	1.57 m³
2WD Extended Cab Wideside Long Box Cargo Volume	69.1 ft³	1.96 m³
4WD Regular Cab Sportside Short Box Cargo Volume	42.1 ft³	1.19 m³
4WD Regular Cab Wideside Short Box Cargo Volume	55.6 ft³	1.57 m³
4WD Regular Cab Wideside Long Box Cargo Volume	69.1 ft³	1.96 m³
4WD Extended Cab Sportside Short Box Cargo Volume	42.1 ft³	1.19 m³
4WD Extended Cab Wideside Short Box Cargo Volume	55.6 ft³	1.57 m³
4WD Extended Cab Wideside Short Box (CMI) Cargo Volume	55.6 ft³	1.57 m³
4WD Extended Cab Wideside Long Box Cargo Volume	69.1 ft³	1.96 m³

2020 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 Elevation 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 Elevation 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 Long 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 Elevation 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 Elevation 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