2018 Buick LaCrosse Dimensions, Sizes & Specifications
Based on 5 trims — exact values when identical, ranges when trims differ. Generation: Third generation.
- Length197.5 in
- Width73.5 in
- Height57.5 in
- Wheelbase114.4 in
- Length197.5 in
- Height57.5 in
- Wheelbase114.4 in
- Width73.5 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 LaCrosse
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: 197.5 in · 73.5 in · 57.5 in. Full dimensions
Wheels: bolt pattern 5x120, bore 67.1 mm. Wheel sizes
Tires: P235/50VR18.0 BSW AS, 235/45R19, 235/55R17, 255/30R22. 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 | 197.5 in |
|---|---|
| Width | 73.5 in |
| Height | 57.5 in |
| Wheelbase | 114.4 in |
Interior dimensions
| Front headroom | 38.0 in |
|---|---|
| Rear headroom | 37.0 in |
| Front legroom | 42.0 in |
| Rear legroom | 38.0 in |
| Front shoulder room | 58.0 in |
| Rear shoulder room | 57.0 in |
| Front hip room | 55.0 in |
| Rear hip room | 55.0 in |
Weight & capacities
| Fuel tank | 15.8 gal – 16.2 gal |
|---|---|
| Max towing capacity | 1,000 lb |
Engine
- 1874 1912
- 1871 1915
| Torque | 268 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
- 235/45R19
- 235/55R17
- 255/30R22
Wiper sizes Full wiper size page →
- Driver26"
- Passenger18"
Battery group size Full battery size page →
- H7-AGM
Oil capacity Full oil capacity page →
- 5W-306 qt
Same generation (Third generation): years 2017–2019. View model overview