2017 Cadillac CT6 Dimensions, Sizes & Specifications
Based on 9 trims — exact values when identical, ranges when trims differ. Generation: First generation.
- Length204.0 in
- Width74.0 in
- Height57.9 in
- Wheelbase122.4 in
- Curb weight3,647 lb – 4,385 lb
- Length204.0 in
- Height57.9 in
- Wheelbase122.4 in
- Curb weight3,647 lb – 4,385 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 2017 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: 204.0 in · 74.0 in · 57.9 in. Full dimensions
Wheels: bolt pattern 5x120, bore 66.9 mm. Wheel sizes
Tires: P235/50HR18.0 BSW AS, P245/45HR19.0 BSW AS, P245/40HR20.0 BSW AS, 235/50R18…. 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 | 204.0 in |
|---|---|
| Width | 74.0 in |
| Height | 57.9 in |
| Wheelbase | 122.4 in |
Interior dimensions
| Front headroom | 40.0 in |
|---|---|
| Rear headroom | 38.0 in |
| Front legroom | 42.3 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 | 53.0 in |
Weight & capacities
| Curb weight | 3,647 lb – 4,385 lb |
|---|---|
| GVWR | 4,770 lb – 5,414 lb |
| Fuel tank | 19.2 gal |
| Max towing capacity | 1,000 lb |
Engine
- 1868 1912
- 1881 1915
- 1871 1915
| Torque | 284 – 400 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
- P245/40HR20.0 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-305 qt
- 5W-306 qt
- 5W-306 qt
Trim-by-trim dimensions (9 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| 2.0L Turbo Base 4dr Rear-wheel Drive Sedan | 204.0 | 74.0 | 57.9 | 122.4 | — | 3647 |
| 2.0L Turbo Luxury 4dr Rear-wheel Drive Sedan | 204.0 | 74.0 | 57.9 | 122.4 | — | 3683 |
| 3.0L Twin Turbo Luxury 4dr All-wheel Drive Sedan | 204.0 | 74.0 | 57.9 | 122.4 | — | 4085 |
| 3.0L Twin Turbo Platinum 4dr All-wheel Drive Sedan | 204.0 | 74.0 | 57.9 | 122.4 | — | 4385 |
| 3.0L Twin Turbo Premium Luxury 4dr All-wheel Drive Sedan | 204.0 | 74.0 | 57.9 | 122.4 | — | 4165 |
| 3.6L Base 4dr All-wheel Drive Sedan | 204.0 | 74.0 | 57.9 | 122.4 | — | 3925 |
| 3.6L Luxury 4dr All-wheel Drive Sedan | 204.0 | 74.0 | 57.9 | 122.4 | — | 3961 |
| 3.6L Platinum 4dr All-wheel Drive Sedan | 204.0 | 74.0 | 57.9 | 122.4 | — | 4261 |
| 3.6L Premium Luxury 4dr All-wheel Drive Sedan | 204.0 | 74.0 | 57.9 | 122.4 | — | 4040 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (First generation): years 2016–2018. View model overview