2021 Cadillac CT5 Dimensions, Sizes & Specifications
Based on 8 trims — exact values when identical, ranges when trims differ. Generation: First generation.
- Length193.8 in
- Width74.1 in
- Height57.2 in
- Wheelbase116.0 in
- Curb weight3,659 lb – 4,144 lb
- Length193.8 in
- Height57.2 in
- Wheelbase116.0 in
- Curb weight3,659 lb – 4,144 lb
- Width74.1 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 2021 Cadillac CT5
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: 193.8 in · 74.1 in · 57.2 in. Full dimensions
Wheels: bolt pattern 5x120, bore 66.9 mm. Wheel sizes
Tires: P245/45HR18.0 BSW self-sealing AS, P245/40HR19.0 BSW run-flat AS, P225/40YR19.0 BSW run-flat performance, 245/40R19…. 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 | 193.8 in |
|---|---|
| Width | 74.1 in |
| Height | 57.2 in |
| Wheelbase | 116.0 in |
Interior dimensions
| Front headroom | 39.0 in |
|---|---|
| Rear headroom | 37.0 in |
| Front legroom | 42.4 in |
| Rear legroom | 37.9 in |
| Front shoulder room | 57.0 in |
| Rear shoulder room | 56.0 in |
| Front hip room | 54.0 in |
| Rear hip room | 54.0 in |
Weight & capacities
| Curb weight | 3,659 lb – 4,144 lb |
|---|---|
| Fuel tank | 17.4 gal |
| Max towing capacity | 1,000 lb |
Engine
- 1868 1912
- 1881 1915
| Torque | 258 – 405 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P245/45HR18.0 BSW self-sealing AS
- P245/40HR19.0 BSW run-flat AS
- P225/40YR19.0 BSW run-flat performance
- 245/40R19
- 245/45R18
- 255/35R20
Battery group size Full battery size page →
- H6-AGM
- 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 | 193.8 | 74.1 | 57.2 | 116.0 | — | 3798 |
| Luxury 4dr Rear-wheel Drive Sedan | 193.8 | 74.1 | 57.2 | 116.0 | — | 3659 |
| Premium Luxury 4dr All-wheel Drive Sedan | 193.8 | 74.1 | 57.2 | 116.0 | — | 3802 |
| Premium Luxury 4dr Rear-wheel Drive Sedan | 193.8 | 74.1 | 57.2 | 116.0 | — | 3663 |
| Sport 4dr All-wheel Drive Sedan | 193.8 | 74.1 | 57.2 | 116.0 | — | 3827 |
| Sport 4dr Rear-wheel Drive Sedan | 193.8 | 74.1 | 57.2 | 116.0 | — | 3685 |
| V-Series 4dr All-wheel Drive Sedan | 193.8 | 74.1 | 57.2 | 116.0 | — | 4144 |
| V-Series 4dr Rear-wheel Drive Sedan | 193.8 | 74.1 | 57.2 | 116.0 | — | 3947 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (First generation): years 2020–2023. View model overview