2018 Audi S4 Dimensions, Sizes & Specifications
Factory dimensions from the catalog trim record. Generation: B9.
- Length186.8 in
- Width72.5 in
- Height55.3 in
- Wheelbase111.2 in
- Ground clearance4.7 in
- Curb weight3,858 lb
- Length186.8 in
- Height55.3 in
- Wheelbase111.2 in
- Ground clearance4.7 in
- Curb weight3,858 lb
- Width72.5 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 Audi S4
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: 186.8 in · 72.5 in · 55.3 in. Full dimensions
Wheels: bolt pattern 5x112, bore 66.5 mm. Wheel sizes
Tires: P245/40YR18.0 BSW performance, 225/45R18, 245/35R19, 245/40R18…. 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 | 186.8 in |
|---|---|
| Width | 72.5 in |
| Height | 55.3 in |
| Wheelbase | 111.2 in |
| Ground clearance | 4.7 in |
Interior dimensions
| Front headroom | 39.0 in |
|---|---|
| Rear headroom | 37.0 in |
| Front legroom | 41.3 in |
| Rear legroom | 35.7 in |
| Front shoulder room | 56.0 in |
| Rear shoulder room | 55.0 in |
Weight & capacities
| Curb weight | 3,858 lb |
|---|---|
| GVWR | 4,850 lb |
| Fuel tank | 15.3 gal |
| Max towing capacity | 4,100 lb |
Engine
- 1881 1915
| Torque | 369 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P245/40YR18.0 BSW performance
- 225/45R18
- 245/35R19
- 245/40R18
- 255/30R20
Wiper sizes Full wiper size page →
- Driver24"
- Passenger20"
Same generation (B9): years 2018–2019. View model overview