2018 Buick Regal TourX Dimensions, Sizes & Specifications
Based on 3 trims — exact values when identical, ranges when trims differ.
- Length196.3 in
- Width73.3 in
- Height58.4 in
- Wheelbase111.4 in
- Curb weight4,239 lb – 4,286 lb
- Length196.3 in
- Height58.4 in
- Wheelbase111.4 in
- Curb weight4,239 lb – 4,286 lb
- Width73.3 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 Buick Regal TourX
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
- Interior
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Interior
Select a system below or on the diagram. This schematic marks measurement areas — it is not body-accurate styling.
Catalog summaries
Exterior: 196.3 in · 73.3 in · 58.4 in. Full dimensions
Wheels: bolt pattern 5x115, bore 70.1 mm. Wheel sizes
Tires: P235/50VR18.0 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 wheel sizeBolt pattern, bore, offset
- Wheel fitment & interchangeCompare donor or custom wheels
Exterior dimensions
| Length | 196.3 in |
|---|---|
| Width | 73.3 in |
| Height | 58.4 in |
| Wheelbase | 111.4 in |
Interior dimensions
| Front headroom | 39.0 in |
|---|---|
| Rear headroom | 40.0 in |
| Front legroom | 42.1 in |
| Rear legroom | 36.9 in |
| Front shoulder room | 57.0 in |
| Rear shoulder room | 55.0 in |
| Front hip room | 55.0 in |
| Rear hip room | 54.0 in |
Weight & capacities
| Curb weight | 4,239 lb – 4,286 lb |
|---|---|
| Fuel tank | 16.3 gal |
| Max towing capacity | 1,000 lb |
Engine
- 1868 1912
| Torque | 265 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P235/50VR18.0 BSW AS
- 235/50R18
Trim-by-trim dimensions (3 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| Base 4dr All-wheel Drive Wagon | 196.3 | 73.3 | 58.4 | 111.4 | — | 4239 |
| Essence 4dr All-wheel Drive Wagon | 196.3 | 73.3 | 58.4 | 111.4 | — | 4286 |
| Preferred 4dr All-wheel Drive Wagon | 196.3 | 73.3 | 58.4 | 111.4 | — | 4270 |
Values in inches / pounds as stored. Ranges above reflect trim variation.