2019 Cadillac CT6 Dimensions, Sizes & Specifications
Based on 7 trims — exact values when identical, ranges when trims differ. Generation: First generation - Facelift.
- Length205.8 in
- Width74.0 in
- Height58.0 in
- Wheelbase122.4 in
- Curb weight3,708 lb – 4,426 lb
- Length205.8 in
- Height58.0 in
- Wheelbase122.4 in
- Curb weight3,708 lb – 4,426 lb
- Width74.0 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 2019 Cadillac CT6
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: 205.8 in · 74.0 in · 58.0 in. Full dimensions
Wheels: bolt pattern 5x120, bore 66.9 mm. Wheel sizes
Tires: P235/50HR18.0 BSW AS, P245/45HR19.0 BSW AS, 235/50R18, 245/40R20…. 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
- 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 | 205.8 in |
|---|---|
| Width | 74.0 in |
| Height | 58.0 in |
| Wheelbase | 122.4 in |
Interior dimensions
| Front headroom | 40.0 in |
|---|---|
| Rear headroom | 38.0 in |
| Front legroom | 46.4 in |
| Rear legroom | 40.4 in |
| Front shoulder room | 58.0 in |
| Rear shoulder room | 56.0 in |
| Front hip room | 56.0 in |
| Rear hip room | 54.0 in |
Weight & capacities
| Curb weight | 3,708 lb – 4,426 lb |
|---|---|
| GVWR | 4,816 lb – 5,458 lb |
| Fuel tank | 19.2 gal |
| Max towing capacity | 1,000 lb |
Engine
- 1868 1912
- 1881 1915
- 1871 1915
- 1910 1914
| Torque | 258 – 574 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P235/50HR18.0 BSW AS
- P245/45HR19.0 BSW AS
- 235/50R18
- 245/40R20
- 245/45R19
- 255/35R21
Battery group size Full battery size page →
- H8-AGM
Oil capacity Full oil capacity page →
- 5W-306 qt
- 0W-205.3 qt
- 5W-306 qt
Trim-by-trim dimensions (7 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| 2.0L Turbo Luxury 4dr Rear-wheel Drive Sedan | 205.8 | 74.0 | 58.0 | 122.4 | — | 3708 |
| 2.0L Turbo Premium Luxury 4dr Rear-wheel Drive Sedan | 205.8 | 74.0 | 58.0 | 122.4 | — | 3820 |
| 3.0L Twin Turbo Platinum 4dr All-wheel Drive Sedan | 205.8 | 74.0 | 58.0 | 122.4 | — | 4426 |
| 3.0L Twin Turbo Sport 4dr All-wheel Drive Sedan | 205.8 | 74.0 | 58.0 | 122.4 | — | 4217 |
| 3.6L Luxury 4dr All-wheel Drive Sedan | 205.8 | 74.0 | 58.0 | 122.4 | — | 3985 |
| 3.6L Premium Luxury 4dr All-wheel Drive Sedan | 205.8 | 74.0 | 58.0 | 122.4 | — | 4130 |
| 4.2L Twin Turbo Platinum 4dr All-wheel Drive Sedan | 205.8 | 74.0 | 58.0 | 122.4 | — | 4426 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (First generation - Facelift): years 2019–2020. View model overview