2020 Cadillac CT4 Dimensions, Sizes & Specifications
Based on 8 trims — exact values when identical, ranges when trims differ. Generation: First generation.
- Length187.2 in
- Width71.4 in
- Height56.0 in
- Wheelbase109.3 in
- Curb weight3,422 lb – 3,761 lb
- Length187.2 in
- Height56.0 in
- Wheelbase109.3 in
- Curb weight3,422 lb – 3,761 lb
- Width71.4 in
Proportional exterior silhouette from catalog length, width and height. The explorer below is a systems map — different purpose, not a second silhouette.
Explore your 2020 Cadillac CT4
Interactive systems diagram for this model year — measure, check fitment, and open the matching SpecSizes tools. Schematic only; not photorealistic body styling.
- Dimensions
- Wheels
- Tires
- Battery
- Oil
- Interior
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Battery
- Oil
- Interior
Select a system below or on the diagram. This schematic marks measurement areas — it is not body-accurate styling.
Catalog summaries
Exterior: 187.2 in · 71.4 in · 56.0 in. Full dimensions
Wheels: bolt pattern 5x115, bore 70.3 mm. Wheel sizes
Tires: P225/45HR17.0 BSW self-sealing AS, P235/40HR18.0 BSW self-sealing AS, P235/40HR18.0 BSW run-flat AS, P235/40HR18.0 BSW run-flat performance…. Tire sizes
What do you want to check?
- Compare this vehicleSize vs a competitor
- See size by yearModel history & chart
- Will it fit in my garage?Door & bay clearance calculator
- Find cars similar in sizeExterior length, width & height neighbors
- See narrower vehiclesNarrower than ~77% of sedans
- Browse cars by sizeReverse-search by length, width & height
- Check tire sizeOEM tire sizes
- Check battery sizeGroup size
- Check oil capacityCapacity & viscosity
- Check wheel sizeBolt pattern, bore, offset
- Wheel fitment & interchangeCompare donor or custom wheels
Exterior dimensions
| Length | 187.2 in |
|---|---|
| Width | 71.4 in |
| Height | 56.0 in |
| Wheelbase | 109.3 in |
Interior dimensions
| Front headroom | 38.0 in |
|---|---|
| Rear headroom | 37.0 in |
| Front legroom | 42.4 in |
| Rear legroom | 33.4 in |
| Front shoulder room | 55.0 in |
| Rear shoulder room | 54.0 in |
| Front hip room | 53.0 in |
| Rear hip room | 53.0 in |
Weight & capacities
| Curb weight | 3,422 lb – 3,761 lb |
|---|---|
| GVWR | 4,630 lb – 4,806 lb |
| Fuel tank | 17.0 gal |
| Max towing capacity | 1,000 lb |
Engine
- 1868 1912
- 1892 1912
| Torque | 258 – 380 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P225/45HR17.0 BSW self-sealing AS
- P235/40HR18.0 BSW self-sealing AS
- P235/40HR18.0 BSW run-flat AS
- P235/40HR18.0 BSW run-flat performance
- 225/45R17
- 235/35R19
- 235/40R18
Battery group size Full battery size page →
- H7-AGM
Oil capacity Full oil capacity page →
- 0W-205.3 qt
- 5W-306 qt
Trim-by-trim dimensions (8 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| Luxury 4dr All-wheel Drive Sedan | 187.2 | 71.4 | 56.0 | 109.3 | — | 3578 |
| Luxury 4dr Rear-wheel Drive Sedan | 187.2 | 71.4 | 56.0 | 109.3 | — | 3422 |
| Premium Luxury 4dr All-wheel Drive Sedan | 187.2 | 71.4 | 56.0 | 109.3 | — | 3616 |
| Premium Luxury 4dr Rear-wheel Drive Sedan | 187.2 | 71.4 | 56.0 | 109.3 | — | 3455 |
| Sport 4dr All-wheel Drive Sedan | 187.2 | 71.4 | 56.0 | 109.3 | — | 3622 |
| Sport 4dr Rear-wheel Drive Sedan | 187.2 | 71.4 | 56.0 | 109.3 | — | 3468 |
| V-Series 4dr All-wheel Drive Sedan | 187.2 | 71.4 | 56.0 | 109.3 | — | 3761 |
| V-Series 4dr Rear-wheel Drive Sedan | 187.2 | 71.4 | 56.0 | 109.3 | — | 3616 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (First generation): years 2020–2023. View model overview