Honda Civic Si vs Cadillac CT4-V Dimensions & Size Comparison
Comparing 2019 vs 2023 catalog dimensions. Honda Civic Si · Cadillac CT4-V
- Length177.3 in – 182.8 in
- Height54.7 in – 55.5 in
- Wheelbase106.3 in
- Curb weight2,889 lb – 2,906 lb
- Width70.8 in – 70.9 in
- Cadillac CT4-V width71.4 in
Which is bigger?
- Length: Honda Civic Si is 7.3 in shorter (180.1 in vs 187.4 in)
- Width: Honda Civic Si is 0.6 in narrower (70.8 in vs 71.4 in)
- Height: Cadillac CT4-V is 0.9 in taller (55.1 in vs 56.0 in)
- Wheelbase: Cadillac CT4-V has a 3.0 in longer wheelbase (106.3 in vs 109.3 in)
- Curb weight: Cadillac CT4-V is 841 lb heavier (2,898 lb vs 3,738 lb)
Biggest size differences
- Curb weight: Cadillac CT4-V is 841 lb heavier (2,898 lb vs 3,738 lb)
- Length: Honda Civic Si is 7.3 in shorter (180.1 in vs 187.4 in)
- Wheelbase: Cadillac CT4-V has a 3.0 in longer wheelbase (106.3 in vs 109.3 in)
- Height: Cadillac CT4-V is 0.9 in taller (55.1 in vs 56.0 in)
- Width: Honda Civic Si is 0.6 in narrower (70.8 in vs 71.4 in)
Practical verdicts
- Easier to fit in a short garageHonda Civic Si — Honda Civic Si is shorter by 7.3 in Check garage fit for Honda Civic Si · garage fit for Cadillac CT4-V
- Narrower for tight parkingHonda Civic Si — Honda Civic Si is narrower by 0.6 in
- Smaller exterior footprintHonda Civic Si — Based on length × width (Honda Civic Si)
Dimension comparison
| Spec | Honda Civic Si | Cadillac CT4-V | Difference |
|---|---|---|---|
| Length | 180.1 in | 187.4 in | 7.3 in |
| Width | 70.8 in | 71.4 in | 0.6 in |
| Height | 55.1 in | 56.0 in | 0.9 in |
| Wheelbase | 106.3 in | 109.3 in | 3.0 in |
| Curb weight | 2,898 lb | 3,738 lb | 841 lb |
Values use trim midpoints when a model year lists a range (e.g. length 177.3 in – 182.8 in).
Compare by year
Overlapping model years with dimension data.
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