2015 Buick Regal Dimensions, Sizes & Specifications
Based on 8 trims — exact values when identical, ranges when trims differ. Generation: Fifth generation - Facelift.
- Length190.2 in
- Width73.1 in
- Height58.0 in – 58.4 in
- Wheelbase107.8 in
- Ground clearance5.5 in
- Curb weight3,692 lb – 3,725 lb
- Length190.2 in
- Height58.0 in – 58.4 in
- Wheelbase107.8 in
- Ground clearance5.5 in
- Curb weight3,692 lb – 3,725 lb
- Width73.1 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 2015 Buick Regal
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
- Battery
- Oil
- Interior
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Wipers
- 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: 190.2 in · 73.1 in · 58.0 in – 58.4 in. Full dimensions
Wheels: bolt pattern 5x120, bore 66.9 mm. Wheel sizes
Tires: P245/40WR19.0 BSW AS, P235/50VR18.0 BSW AS, 235/30R22, 235/50R17…. 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 battery sizeGroup size
- Check oil capacityCapacity & viscosity
- Check wheel sizeBolt pattern, bore, offset
- Wheel fitment & interchangeCompare donor or custom wheels
Exterior dimensions
| Length | 190.2 in |
|---|---|
| Width | 73.1 in |
| Height | 58.0 in – 58.4 in |
| Wheelbase | 107.8 in |
| Ground clearance | 5.5 in |
Interior dimensions
| Front headroom | 38.8 in |
|---|---|
| Rear headroom | 36.8 in |
| Front legroom | 42.1 in |
| Rear legroom | 37.3 in |
| Front shoulder room | 56.7 in |
| Rear shoulder room | 54.4 in |
| Front hip room | 55.4 in |
| Rear hip room | 52.3 in |
| Passenger volume | 97.0 cu ft |
| Luggage volume | 14.2 cu ft |
Weight & capacities
| Curb weight | 3,692 lb – 3,725 lb |
|---|---|
| Fuel tank | 18.0 gal |
| Max towing capacity | 1,000 lb |
Engine
| Torque | 295 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P245/40WR19.0 BSW AS
- P235/50VR18.0 BSW AS
- 235/30R22
- 235/50R17
- 235/50R18
- 245/40R19
- 245/40R20
- 245/50R17
Wiper sizes Full wiper size page →
- Driver24"
- Passenger18"
Battery group size Full battery size page →
- 48H6
- 91-1
- H5-AGM
- H6-AGM
Oil capacity Full oil capacity page →
- 5W-305 qt
- 5W-305 qt
- 5W-306 qt
Trim-by-trim dimensions (8 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| GS 4dr All-wheel Drive Sedan | 190.2 | 73.1 | 58.0 | 107.8 | — | 3725 |
| GS 4dr Front-wheel Drive Sedan | 190.2 | 73.1 | 58.0 | 107.8 | 5.5 | 3725 |
| Turbo 4dr All-wheel Drive Sedan | 190.2 | 73.1 | 58.4 | 107.8 | — | 3692 |
| Turbo 4dr Front-wheel Drive Sedan | 190.2 | 73.1 | 58.4 | 107.8 | — | 3692 |
| Turbo Premium I 4dr All-wheel Drive Sedan | 190.2 | 73.1 | 58.4 | 107.8 | — | 3702 |
| Turbo Premium II 4dr All-wheel Drive Sedan | 190.2 | 73.1 | 58.4 | 107.8 | — | 3722 |
| Turbo Premium II 4dr Front-wheel Drive Sedan | 190.2 | 73.1 | 58.4 | 107.8 | — | 3722 |
| Turbo/e-Assist Premium I 4dr Front-wheel Drive Sedan | 190.2 | 73.1 | 58.4 | 107.8 | — | 3702 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (Fifth generation - Facelift): years 2014–2017. View model overview