GMC Sierra 1500 vs Chevrolet Avalanche Dimensions & Size Comparison
Comparing 2023 vs 2013 catalog dimensions. GMC Sierra 1500 · Chevrolet Avalanche
- Length211.0 in – 241.5 in
- Height75.4 in – 78.3 in
- Wheelbase126.5 in – 157.1 in
- Ground clearance7.9 in – 11.1 in
- Curb weight4,430 lb – 5,740 lb
- Width81.1 in – 81.2 in
- Chevrolet Avalanche width79.1 in
Which is bigger?
- Length: Chevrolet Avalanche is 4.9 in shorter (226.3 in vs 221.3 in)
- Width: Chevrolet Avalanche is 2.1 in narrower (81.2 in vs 79.1 in)
- Height: GMC Sierra 1500 is 0.3 in taller (76.8 in vs 76.6 in)
- Wheelbase: GMC Sierra 1500 has a 11.8 in longer wheelbase (141.8 in vs 130.0 in)
- Curb weight: Chevrolet Avalanche is 669 lb heavier (5,085 lb vs 5,754 lb)
Biggest size differences
- Curb weight: Chevrolet Avalanche is 669 lb heavier (5,085 lb vs 5,754 lb)
- Wheelbase: GMC Sierra 1500 has a 11.8 in longer wheelbase (141.8 in vs 130.0 in)
- Width: Chevrolet Avalanche is 2.1 in narrower (81.2 in vs 79.1 in)
- Length: Chevrolet Avalanche is 4.9 in shorter (226.3 in vs 221.3 in)
- Height: GMC Sierra 1500 is 0.3 in taller (76.8 in vs 76.6 in)
Practical verdicts
- Easier to fit in a short garageChevrolet Avalanche — Chevrolet Avalanche is shorter by 4.9 in Check garage fit for GMC Sierra 1500 · garage fit for Chevrolet Avalanche
- Narrower for tight parkingChevrolet Avalanche — Chevrolet Avalanche is narrower by 2.1 in
- Smaller exterior footprintChevrolet Avalanche — Based on length × width (Chevrolet Avalanche)
Dimension comparison
| Spec | GMC Sierra 1500 | Chevrolet Avalanche | Difference |
|---|---|---|---|
| Length | 226.3 in | 221.3 in | 4.9 in |
| Width | 81.2 in | 79.1 in | 2.1 in |
| Height | 76.8 in | 76.6 in | 0.3 in |
| Wheelbase | 141.8 in | 130.0 in | 11.8 in |
| Ground clearance | 9.5 in | — | — |
| Curb weight | 5,085 lb | 5,754 lb | 669 lb |
Values use trim midpoints when a model year lists a range (e.g. length 211.0 in – 241.5 in).
Compare by year
Overlapping model years with dimension data.
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