Cadillac CT6 vs BMW M5 Dimensions & Size Comparison
Comparing 2020 vs 2023 catalog dimensions. Cadillac CT6 · BMW M5
- Length205.8 in
- Height58.0 in
- Wheelbase122.4 in
- Curb weight1,843 lb – 2,102 lb
- Width74.0 in
- BMW M5 width74.9 in
Which is bigger?
- Length: BMW M5 is 9.4 in shorter (205.8 in vs 196.4 in)
- Width: Cadillac CT6 is 0.9 in narrower (74.0 in vs 74.9 in)
- Height: essentially the same
- Wheelbase: Cadillac CT6 has a 5.0 in longer wheelbase (122.4 in vs 117.4 in)
- Curb weight: BMW M5 is 2,373 lb heavier (1,973 lb vs 4,345 lb)
Biggest size differences
- Curb weight: BMW M5 is 2,373 lb heavier (1,973 lb vs 4,345 lb)
- Length: BMW M5 is 9.4 in shorter (205.8 in vs 196.4 in)
- Wheelbase: Cadillac CT6 has a 5.0 in longer wheelbase (122.4 in vs 117.4 in)
- Width: Cadillac CT6 is 0.9 in narrower (74.0 in vs 74.9 in)
Practical verdicts
- Easier to fit in a short garageBMW M5 — BMW M5 is shorter by 9.4 in Check garage fit for Cadillac CT6 · garage fit for BMW M5
- Narrower for tight parkingCadillac CT6 — Cadillac CT6 is narrower by 0.9 in
- Smaller exterior footprintBMW M5 — Based on length × width (BMW M5)
Dimension comparison
| Spec | Cadillac CT6 | BMW M5 | Difference |
|---|---|---|---|
| Length | 205.8 in | 196.4 in | 9.4 in |
| Width | 74.0 in | 74.9 in | 0.9 in |
| Height | 58.0 in | 58.0 in | 0.0 in |
| Wheelbase | 122.4 in | 117.4 in | 5.0 in |
| Curb weight | 1,973 lb | 4,345 lb | 2,373 lb |
Values use trim midpoints when a model year lists a range.
Compare by year
Overlapping model years with dimension data.
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