GMC Sierra 1500 vs Chevrolet Avalanche Dimensions & Size Comparison
Comparing 2013 catalog dimensions. GMC Sierra 1500 · Chevrolet Avalanche
- Length205.6 in – 249.2 in
- Height73.5 in – 73.9 in
- Wheelbase119.0 in – 157.5 in
- Ground clearance11.8 in – 13.4 in
- Curb weight4,460 lb – 5,487 lb
- Width80.0 in
- Chevrolet Avalanche width79.1 in
Which is bigger?
- Length: Chevrolet Avalanche is 6.1 in shorter (227.4 in vs 221.3 in)
- Width: Chevrolet Avalanche is 0.9 in narrower (80.0 in vs 79.1 in)
- Height: Chevrolet Avalanche is 2.9 in taller (73.7 in vs 76.6 in)
- Wheelbase: GMC Sierra 1500 has a 8.3 in longer wheelbase (138.3 in vs 130.0 in)
- Curb weight: Chevrolet Avalanche is 781 lb heavier (4,974 lb vs 5,754 lb)
Biggest size differences
- Curb weight: Chevrolet Avalanche is 781 lb heavier (4,974 lb vs 5,754 lb)
- Wheelbase: GMC Sierra 1500 has a 8.3 in longer wheelbase (138.3 in vs 130.0 in)
- Height: Chevrolet Avalanche is 2.9 in taller (73.7 in vs 76.6 in)
- Length: Chevrolet Avalanche is 6.1 in shorter (227.4 in vs 221.3 in)
- Width: Chevrolet Avalanche is 0.9 in narrower (80.0 in vs 79.1 in)
Practical verdicts
- Easier to fit in a short garageChevrolet Avalanche — Chevrolet Avalanche is shorter by 6.1 in Check garage fit for GMC Sierra 1500 · garage fit for Chevrolet Avalanche
- Narrower for tight parkingChevrolet Avalanche — Chevrolet Avalanche is narrower by 0.9 in
- Smaller exterior footprintChevrolet Avalanche — Based on length × width (Chevrolet Avalanche)
Dimension comparison
| Spec | GMC Sierra 1500 | Chevrolet Avalanche | Difference |
|---|---|---|---|
| Length | 227.4 in | 221.3 in | 6.1 in |
| Width | 80.0 in | 79.1 in | 0.9 in |
| Height | 73.7 in | 76.6 in | 2.9 in |
| Wheelbase | 138.3 in | 130.0 in | 8.3 in |
| Ground clearance | 12.6 in | — | — |
| Curb weight | 4,974 lb | 5,754 lb | 781 lb |
Values use trim midpoints when a model year lists a range (e.g. length 205.6 in – 249.2 in).
Compare by year
Overlapping model years with dimension data.
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