Dimensions

Find 1998 GMC Suburban interior, exterior and cargo dimensions for the trims and styles available. Choose the desired trim / style from the dropdown list to see the corresponding dimensions.

1500

Cargo Area Dimensions

Cargo Area Length @ Floor to Console (in)
Cargo Area Length @ Floor to Seat 1 (in) 97.7
Cargo Area Length @ Floor to Seat 2 (in) 70.9
Cargo Area Length @ Floor to Seat 3 (in) 36.0
Cargo Volume to Seat 1 (ft³) 149.5
Cargo Volume to Seat 2 (ft³) 96.6
Cargo Volume to Seat 3 (ft³) 47.5
Cargo Volume to Seat 4 (ft³)
Cargo Area Length @ Floor to Seat 4 (in)
Cargo Area Width @ Beltline (in) 77.0
Cargo Box Width @ Wheelhousings (in) 49.7
Cargo Box (Area) Height (in) 40.8

Exterior Dimensions

Side Door Opening Width (in)
Step Up Height - Front (in)
Step Up Height - Side (in)
Wheelbase (in) 131.5
Length, Overall w/rear bumper (in) 220.0
Width, Max w/o mirrors (in) 76.7
Height, Overall (in) 71.3
Overhang, Front (in) 35.4
Overhang, Rear w/bumper (in) 52.6
Ground to Top of Load Floor (in) 29.2
Ground Clearance, Front (in) 7.1
Ground Clearance, Rear (in) 6.6
Rear Door Opening Height (in) 34.1
Rear Door Opening Height (in) 40.9
Rear Door Opening Width (in) 61.4
Rear Door Opening Width (in) 50.5
Side Door Opening Height (in)

Interior Dimensions

Passenger Capacity 5
Passenger Capacity 9
Passenger Capacity 6
Passenger Capacity 3
Front Head Room (in) 39.9
Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.0
Front Hip Room (in) 60.5
Second Head Room (in) 38.9
Second Head Room (in)
Second Leg Room (in) 36.2
Second Leg Room (in)
Second Shoulder Room (in) 65.0
Second Shoulder Room (in)
Second Hip Room (in) 60.3
Second Hip Room (in)
Third Head Room (in) 37.9
Third Head Room (in)
Third Leg Room (in) 37.2
Third Leg Room (in)
Third Shoulder Room (in) 64.3
Third Shoulder Room (in)
Third Hip Room (in) 48.5
Third Hip Room (in)
Passenger Capacity 8

1500 (CMI)

Cargo Area Dimensions

Cargo Area Length @ Floor to Console (in)
Cargo Area Length @ Floor to Seat 1 (in) 97.7
Cargo Area Length @ Floor to Seat 2 (in) 70.9
Cargo Area Length @ Floor to Seat 3 (in) 36.0
Cargo Area Length @ Floor to Seat 4 (in)
Cargo Area Width @ Beltline (in) 77.0
Cargo Box Width @ Wheelhousings (in) 49.7
Cargo Box (Area) Height (in) 40.8
Cargo Volume to Seat 1 (ft³) 149.5
Cargo Volume to Seat 2 (ft³) 96.6
Cargo Volume to Seat 3 (ft³) 47.5
Cargo Volume to Seat 4 (ft³)

Exterior Dimensions

Step Up Height - Front (in)
Step Up Height - Side (in)
Rear Door Opening Width (in) 61.4
Wheelbase (in) 131.5
Length, Overall w/rear bumper (in) 220.0
Width, Max w/o mirrors (in) 76.7
Height, Overall (in) 71.3
Overhang, Front (in) 35.4
Overhang, Rear w/bumper (in) 52.6
Ground to Top of Load Floor (in) 29.2
Ground Clearance, Front (in) 7.1
Ground Clearance, Rear (in) 6.6
Rear Door Opening Height (in) 34.1
Rear Door Opening Height (in) 40.9
Rear Door Opening Width (in) 50.5
Side Door Opening Height (in)
Side Door Opening Width (in)

Interior Dimensions

Front Hip Room (in) 60.5
Passenger Capacity 8
Front Head Room (in) 39.9
Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.0
Second Head Room (in) 38.9
Second Leg Room (in) 36.2
Second Shoulder Room (in) 65.0
Second Hip Room (in) 60.3
Third Head Room (in) 37.9d
Third Leg Room (in) 37.2
Third Shoulder Room (in) 64.3
Third Hip Room (in) 48.5

1500 4WD

Cargo Area Dimensions

Cargo Area Length @ Floor to Seat 4 (in)
Cargo Area Width @ Beltline (in) 77.0
Cargo Box Width @ Wheelhousings (in) 49.7
Cargo Box (Area) Height (in) 40.8
Cargo Volume to Seat 1 (ft³) 149.5
Cargo Volume to Seat 2 (ft³) 96.6
Cargo Volume to Seat 3 (ft³) 47.5
Cargo Volume to Seat 4 (ft³)
Cargo Area Length @ Floor to Seat 1 (in) 97.7
Cargo Area Length @ Floor to Seat 2 (in) 70.9
Cargo Area Length @ Floor to Seat 3 (in) 36.0
Cargo Area Length @ Floor to Console (in)

Exterior Dimensions

Wheelbase (in) 131.5
Length, Overall w/rear bumper (in) 220.0
Width, Max w/o mirrors (in) 76.7
Height, Overall (in) 73.6
Overhang, Front (in) 35.4
Overhang, Rear w/bumper (in) 52.6
Ground to Top of Load Floor (in) 31.3
Ground Clearance, Front (in) 9.5
Rear Door Opening Height (in) 34.1
Rear Door Opening Height (in) 40.9
Rear Door Opening Width (in) 61.4
Rear Door Opening Width (in) 50.5
Side Door Opening Height (in)
Side Door Opening Width (in)
Step Up Height - Front (in)
Step Up Height - Side (in)
Ground Clearance, Rear (in) 6.9

Interior Dimensions

Passenger Capacity 8
Passenger Capacity 5
Passenger Capacity 9
Passenger Capacity 6
Passenger Capacity 3
Front Head Room (in) 39.9
Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.0
Front Hip Room (in) 60.5
Second Head Room (in) 38.9
Second Head Room (in)
Second Leg Room (in) 36.2
Second Leg Room (in)
Second Shoulder Room (in) 65.0
Second Shoulder Room (in)
Second Hip Room (in) 60.3
Second Hip Room (in)
Third Head Room (in) 37.9
Third Head Room (in)
Third Leg Room (in) 37.2
Third Leg Room (in)
Third Shoulder Room (in) 64.3
Third Shoulder Room (in)
Third Hip Room (in) 48.5
Third Hip Room (in)

1500 4WD (CMI)

Cargo Area Dimensions

Cargo Area Length @ Floor to Console (in)
Cargo Area Length @ Floor to Seat 1 (in) 97.7
Cargo Area Length @ Floor to Seat 2 (in) 70.9
Cargo Area Length @ Floor to Seat 3 (in) 36.0
Cargo Area Length @ Floor to Seat 4 (in)
Cargo Area Width @ Beltline (in) 77.0
Cargo Box Width @ Wheelhousings (in) 49.7
Cargo Box (Area) Height (in) 40.8
Cargo Volume to Seat 1 (ft³) 149.5
Cargo Volume to Seat 2 (ft³) 96.6
Cargo Volume to Seat 3 (ft³) 47.5
Cargo Volume to Seat 4 (ft³)

Exterior Dimensions

Wheelbase (in) 131.5
Length, Overall w/rear bumper (in) 220.0
Width, Max w/o mirrors (in) 76.7
Height, Overall (in) 73.6
Overhang, Front (in) 35.4
Overhang, Rear w/bumper (in) 52.6
Ground to Top of Load Floor (in) 31.3
Ground Clearance, Front (in) 9.5
Ground Clearance, Rear (in) 6.9
Rear Door Opening Height (in) 34.1
Rear Door Opening Height (in) 40.9
Rear Door Opening Width (in) 61.4
Rear Door Opening Width (in) 50.5
Side Door Opening Height (in)
Side Door Opening Width (in)
Step Up Height - Front (in)
Step Up Height - Side (in)

Interior Dimensions

Passenger Capacity 8
Front Head Room (in) 39.9
Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.0
Front Hip Room (in) 60.5
Second Head Room (in) 38.9
Second Leg Room (in) 36.2
Second Shoulder Room (in) 65.0
Second Hip Room (in) 60.3
Third Head Room (in) 37.9d
Third Leg Room (in) 37.2
Third Shoulder Room (in) 64.3
Third Hip Room (in) 48.5

2500

Cargo Area Dimensions

Cargo Area Length @ Floor to Console (in)
Cargo Area Length @ Floor to Seat 1 (in) 97.7
Cargo Area Length @ Floor to Seat 2 (in) 70.9
Cargo Area Length @ Floor to Seat 3 (in) 36.0
Cargo Area Length @ Floor to Seat 4 (in)
Cargo Area Width @ Beltline (in) 77.0
Cargo Box Width @ Wheelhousings (in) 49.7
Cargo Box (Area) Height (in) 40.8
Cargo Volume to Seat 1 (ft³) 149.5
Cargo Volume to Seat 2 (ft³) 96.6
Cargo Volume to Seat 3 (ft³) 47.5
Cargo Volume to Seat 4 (ft³)

Exterior Dimensions

Wheelbase (in) 131.5
Length, Overall w/rear bumper (in) 220.0
Width, Max w/o mirrors (in) 76.7
Height, Overall (in) 73.0
Overhang, Front (in) 35.4
Overhang, Rear w/bumper (in) 52.6
Ground to Top of Load Floor (in) 31.4
Ground Clearance, Front (in) 8.6
Ground Clearance, Rear (in) 8.0
Rear Door Opening Height (in) 34.1
Rear Door Opening Height (in) 40.9
Rear Door Opening Width (in) 61.4
Rear Door Opening Width (in) 50.5
Side Door Opening Height (in)
Side Door Opening Width (in)
Step Up Height - Front (in)
Step Up Height - Side (in)

Interior Dimensions

Passenger Capacity 8
Passenger Capacity 5
Passenger Capacity 9
Passenger Capacity 6
Passenger Capacity 3
Front Head Room (in) 39.9
Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.0
Front Hip Room (in) 60.5
Second Head Room (in) 38.9
Second Head Room (in)
Second Leg Room (in) 36.2
Second Leg Room (in)
Second Shoulder Room (in) 65.0
Second Shoulder Room (in)
Second Hip Room (in) 60.3
Second Hip Room (in)
Third Head Room (in) 37.9
Third Head Room (in)
Third Leg Room (in) 37.2
Third Leg Room (in)
Third Shoulder Room (in) 64.3
Third Shoulder Room (in)
Third Hip Room (in) 48.5
Third Hip Room (in)

2500 4WD

Cargo Area Dimensions

Cargo Area Length @ Floor to Seat 4 (in)
Cargo Area Width @ Beltline (in) 77.0
Cargo Box Width @ Wheelhousings (in) 49.7
Cargo Box (Area) Height (in) 40.8
Cargo Volume to Seat 1 (ft³) 149.5
Cargo Volume to Seat 2 (ft³) 96.6
Cargo Volume to Seat 3 (ft³) 47.5
Cargo Volume to Seat 4 (ft³)
Cargo Area Length @ Floor to Console (in)
Cargo Area Length @ Floor to Seat 1 (in) 97.7
Cargo Area Length @ Floor to Seat 2 (in) 70.9
Cargo Area Length @ Floor to Seat 3 (in) 36.0

Exterior Dimensions

Wheelbase (in) 131.5
Length, Overall w/rear bumper (in) 220.0
Width, Max w/o mirrors (in) 76.7
Height, Overall (in) 74.6
Overhang, Front (in) 35.4
Overhang, Rear w/bumper (in) 52.6
Ground to Top of Load Floor (in) 33.6
Ground Clearance, Front (in) 7.6
Ground Clearance, Rear (in) 6.9
Rear Door Opening Height (in) 34.1
Rear Door Opening Height (in) 40.9
Rear Door Opening Width (in) 61.4
Rear Door Opening Width (in) 50.5
Side Door Opening Height (in)
Side Door Opening Width (in)
Step Up Height - Front (in)
Step Up Height - Side (in)

Interior Dimensions

Passenger Capacity 8
Passenger Capacity 5
Passenger Capacity 9
Passenger Capacity 6
Passenger Capacity 3
Front Head Room (in) 39.9
Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.0
Front Hip Room (in) 60.5
Second Head Room (in) 38.9
Second Head Room (in)
Second Leg Room (in) 36.2
Second Leg Room (in)
Second Shoulder Room (in) 65.0
Second Shoulder Room (in)
Second Hip Room (in) 60.3
Second Hip Room (in)
Third Head Room (in) 37.9
Third Head Room (in)
Third Leg Room (in) 37.2
Third Leg Room (in)
Third Shoulder Room (in) 64.3
Third Shoulder Room (in)
Third Hip Room (in) 48.5
Third Hip Room (in)