2018 Audi A3 Dimensions, Sizes & Specifications
Based on 4 trims — exact values when identical, ranges when trims differ. Generation: 8V (Third generation).
- Length174.1 in – 175.5 in
- Width70.7 in
- Height55.5 in – 55.7 in
- Wheelbase102.2 in – 103.8 in
- Ground clearance5.5 in – 6.0 in
- Curb weight3,197 lb – 3,627 lb
- Length174.1 in – 175.5 in
- Height55.5 in – 55.7 in
- Wheelbase102.2 in – 103.8 in
- Ground clearance5.5 in – 6.0 in
- Curb weight3,197 lb – 3,627 lb
- Width70.7 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 A3
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: 174.1 in – 175.5 in · 70.7 in · 55.5 in – 55.7 in. Full dimensions
Wheels: bolt pattern 5x112, bore 57.1 mm. Wheel sizes
Tires: P225/45HR17.0 BSW AS, 225/40R18, 225/45R17, 225/50R16…. 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
- See shorter carsShorter than ~96% of sedans in the current dataset
- See narrower vehiclesNarrower than ~86% of sedans
- 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 | 174.1 in – 175.5 in |
|---|---|
| Width | 70.7 in |
| Height | 55.5 in – 55.7 in |
| Wheelbase | 102.2 in – 103.8 in |
| Ground clearance | 5.5 in – 6.0 in |
Interior dimensions
| Front headroom | 37.0 in – 40.0 in |
|---|---|
| Rear headroom | 36.0 in |
| Front legroom | 41.2 in |
| Rear legroom | 31.9 in – 35.1 in |
| Front shoulder room | 55.0 in |
| Rear shoulder room | 46.0 in – 53.0 in |
Weight & capacities
| Curb weight | 3,197 lb – 3,627 lb |
|---|---|
| GVWR | 4,068 lb – 4,564 lb |
| Fuel tank | 13.2 gal – 14.5 gal |
| Max towing capacity | 3,850 lb |
Engine
- 1868 1912
| Torque | 221 – 258 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P225/45HR17.0 BSW AS
- 225/40R18
- 225/45R17
- 225/50R16
- 235/35R19
Wiper sizes Full wiper size page →
- Driver26"
- Passenger19"
- Rear12"
Trim-by-trim dimensions (4 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| 2.0T Premium 2dr All-wheel Drive quattro Cabriolet | 174.1 | — | 55.5 | 102.2 | 6.0 | 3627 |
| 2.0T Premium 2dr Front-wheel Drive Cabriolet | 174.1 | — | 55.5 | 102.2 | 6.0 | 3428 |
| 2.0T Premium 4dr All-wheel Drive quattro Sedan | 175.5 | 70.7 | 55.7 | 103.8 | 6.0 | 3362 |
| 2.0T Premium 4dr Front-wheel Drive Sedan | 175.5 | 70.7 | 55.7 | 103.8 | 5.5 | 3197 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (8V (Third generation)): years 2017–2020. View model overview