Cadillac CTS vs BMW M3 Dimensions & Size Comparison
Comparing 2014 vs 2023 catalog dimensions. Cadillac CTS · BMW M3
- Length188.5 in – 195.5 in
- Height56.0 in – 58.0 in
- Wheelbase113.4 in – 114.6 in
- Curb weight3,616 lb – 4,316 lb
- Width72.2 in – 74.1 in
- BMW M3 width74.3 in
Which is bigger?
- Length: BMW M3 is 2.9 in shorter (192.0 in vs 189.1 in)
- Width: Cadillac CTS is 1.1 in narrower (73.2 in vs 74.3 in)
- Height: Cadillac CTS is 0.5 in taller (57.0 in vs 56.5 in)
- Wheelbase: Cadillac CTS has a 1.5 in longer wheelbase (114.0 in vs 112.5 in)
- Curb weight: Cadillac CTS is 51 lb heavier (3,966 lb vs 3,915 lb)
Biggest size differences
- Width: Cadillac CTS is 1.1 in narrower (73.2 in vs 74.3 in)
- Length: BMW M3 is 2.9 in shorter (192.0 in vs 189.1 in)
- Wheelbase: Cadillac CTS has a 1.5 in longer wheelbase (114.0 in vs 112.5 in)
- Curb weight: Cadillac CTS is 51 lb heavier (3,966 lb vs 3,915 lb)
- Height: Cadillac CTS is 0.5 in taller (57.0 in vs 56.5 in)
Practical verdicts
- Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 2.9 in Check garage fit for Cadillac CTS · garage fit for BMW M3
- Narrower for tight parkingCadillac CTS — Cadillac CTS is narrower by 1.1 in
Dimension comparison
| Spec | Cadillac CTS | BMW M3 | Difference |
|---|---|---|---|
| Length | 192.0 in | 189.1 in | 2.9 in |
| Width | 73.2 in | 74.3 in | 1.1 in |
| Height | 57.0 in | 56.5 in | 0.5 in |
| Wheelbase | 114.0 in | 112.5 in | 1.5 in |
| Curb weight | 3,966 lb | 3,915 lb | 51 lb |
Values use trim midpoints when a model year lists a range (e.g. length 188.5 in – 195.5 in).
Compare by year
Overlapping model years with dimension data.
Already own one of these cars?
Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.