2018 Audi A4 Dimensions, Sizes & Specifications
Factory dimensions from the catalog trim record. Generation: Fifth generation (B9).
- Length186.1 in
- Width72.5 in
- Height56.2 in
- Wheelbase111.0 in
- Ground clearance5.0 in
- Curb weight3,450 lb
- Length186.1 in
- Height56.2 in
- Wheelbase111.0 in
- Ground clearance5.0 in
- Curb weight3,450 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 A4
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
- Oil
- Interior
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Wipers
- Oil
- Interior
Select a system below or on the diagram. This schematic marks measurement areas — it is not body-accurate styling.
Catalog summaries
Exterior: 186.1 in · 72.5 in · 56.2 in. Full dimensions
Wheels: bolt pattern 5x112, bore 66.6 mm. Wheel sizes
Tires: P225/50HR17.0 BSW AS, 225/50R17, 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 oil capacityCapacity & viscosity
- Check wheel sizeBolt pattern, bore, offset
- Wheel fitment & interchangeCompare donor or custom wheels
Exterior dimensions
| Length | 186.1 in |
|---|---|
| Width | 72.5 in |
| Height | 56.2 in |
| Wheelbase | 111.0 in |
| Ground clearance | 5.0 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 | 3,450 lb |
|---|---|
| GVWR | 4,795 lb |
| Fuel tank | 15.3 gal |
| Max towing capacity | 4,100 lb |
Engine
- 1868 1912
| Torque | 236 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P225/50HR17.0 BSW AS
- 225/50R17
- 245/35R19
- 245/40R18
Wiper sizes Full wiper size page →
- Driver24"
- Passenger20"
- Rear15"
Oil capacity Full oil capacity page →
- 0W-205.5 qt
Same generation (Fifth generation (B9)): years 2017–2019. View model overview