2018 Cadillac XTS Dimensions, Sizes & Specifications
Based on 4 trims — exact values when identical, ranges when trims differ. Generation: First generation - Second facelift.
- Length200.9 in
- Width72.9 in
- Height59.4 in
- Wheelbase111.7 in
- Ground clearance5.0 in
- Curb weight4,028 lb
- Length200.9 in
- Height59.4 in
- Wheelbase111.7 in
- Ground clearance5.0 in
- Curb weight4,028 lb
- Width72.9 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 2018 Cadillac XTS
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
- Wipers
- Interior
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Wipers
- Interior
Select a system below or on the diagram. This schematic marks measurement areas — it is not body-accurate styling.
Catalog summaries
Exterior: 200.9 in · 72.9 in · 59.4 in. Full dimensions
Wheels: bolt pattern 5x120, bore 66.9 mm. Wheel sizes
Tires: P235/55HR18.0 BSW AS, P245/45VR19.0 BSW AS, 245/40R20, 245/45R19…. 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 wiper sizeBlade lengths
- Check wheel sizeBolt pattern, bore, offset
- Wheel fitment & interchangeCompare donor or custom wheels
Exterior dimensions
| Length | 200.9 in |
|---|---|
| Width | 72.9 in |
| Height | 59.4 in |
| Wheelbase | 111.7 in |
| Ground clearance | 5.0 in |
Interior dimensions
| Front headroom | 40.0 in |
|---|---|
| Rear headroom | 38.0 in |
| Front legroom | 45.8 in |
| Rear legroom | 40.0 in |
| Front shoulder room | 58.0 in |
| Rear shoulder room | 56.0 in |
| Front hip room | 55.0 in |
| Rear hip room | 54.0 in |
Weight & capacities
| Curb weight | 4,028 lb |
|---|---|
| GVWR | 5,346 lb |
| Fuel tank | 19.0 gal |
| Max towing capacity | 1,000 lb |
Engine
- 1871 1915
| Torque | 264 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P235/55HR18.0 BSW AS
- P245/45VR19.0 BSW AS
- 245/40R20
- 245/45R19
- 255/30R22
- 255/35R21
Wiper sizes Full wiper size page →
- Driver26"
- Passenger18"
Same generation (First generation - Second facelift): years 2018–2019. View model overview