Audi S3 Dimensions & Size

How much cargo space and room does a 2026 Audi S3 really have?

The 2026 Audi S3 measures 177.2 in long, 71.7 in wide, 56.3 in tall, on a 103.5 in wheelbase, with a curb weight of about 3,483 lbs.

Looking for weight? See the Audi S3 curb weight page — this page covers length, width, height and wheelbase.

Latest model year (2026):

The Audi S3 measures 177.2 in long, 71.7 in wide and 56.3 in tall, on a 103.5 in wheelbase, weighing about 3,483 lbs.

VerifiedNHTSA Canadian Vehicle Specifications · Verified September 18, 2026

Overview MPG Engine Specs Fuel Cost Transmission Drivetrain Vehicle Class Maintenance Dimensions Curb Weight

Audi S3 Dimensions — All Years

Year	Body / Variant	Length	Width	Height	Wheelbase	Curb Weight
2026	S3 SEDAN TFSI QUATTRO	177.2 in	71.7 in	56.3 in	103.5 in	3,483 lbs
2025	S3 SEDAN TFSI QUATTRO	177.2 in	71.7 in	56.3 in	103.5 in	3,483 lbs
2024	S3 SEDAN TFSI QUATTRO	177.2 in	71.7 in	56.3 in	103.5 in	3,483 lbs
2023	S3 SEDAN TFSI QUATTRO	177.2 in	71.7 in	56.3 in	103.5 in	3,483 lbs
2022	S3 SEDAN TFSI QUATTRO	177.2 in	71.7 in	56.3 in	103.5 in	3,483 lbs
2021	S3 SEDAN TFSI QUATTRO	176 in	70.9 in	54.7 in	103.5 in	3,450 lbs
2020	S3 SEDAN TFSI QUATTRO	176 in	70.9 in	54.7 in	103.5 in	3,450 lbs
2019	S3 SEDAN TFSI QUATTRO	176 in	70.9 in	54.7 in	103.5 in	3,450 lbs
2018	S3 SEDAN TFSI QUATTRO	176 in	70.9 in	54.7 in	103.5 in	3,450 lbs
2017	S3 SEDAN TFSI QUATTRO	176 in	70.9 in	54.7 in	103.5 in	3,450 lbs
2016	S3 SEDAN TFSI QUATTRO	176 in	70.9 in	55.9 in	103.9 in	3,450 lbs
2015	S3 SEDAN TFSI QUATTRO	176 in	70.9 in	55.9 in	103.9 in	3,450 lbs

Dimensions sourced from the NHTSA Canadian Vehicle Specifications database. Figures are measured per body style and can vary slightly by trim, wheel package, and suspension.

Audi S3 data analysis

How Audi S3 overall length varies

Across 12 configurations recorded for the 2015 through 2026 Audi S3, overall length runs from 176 inches to 177 inches. The strongest figure belongs to the 2022 Audi S3 (S3 SEDAN TFSI QUATTRO) at 177 inches, and the weakest to the 2021 car (S3 SEDAN TFSI QUATTRO) at 176 inches — a spread of 1%. The narrow spread means any year of the Audi S3 in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.

What changed for 2026

Average overall length for the 2026 Audi S3 is 177 inches, against 177 inches for the 2025 car — it held flat. A carry-over year like this usually means no powertrain or structural change, so an older example is the cheaper way into the same specification.

How to read this Audi S3 data

This page lists every 2015 through 2026 Audi S3 record we hold for this measurement — 12 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Configurations behind these Audi S3 numbers

The 2015 through 2026 Audi S3 entries here span 12 model years of published measurements for this figure. 2026 is the busiest model year in the record with 1 separate measured configuration, which is why a single quoted overall length figure for that year is rarely the one that matches the car in front of you. Match the row to the exact drivetrain, body style and engine on the window sticker or VIN before relying on the number, and use the comparison links below to see how those same configurations line up against rival models.

Where these Audi S3 figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Audi S3 record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Will the Audi S3 fit your garage and parking space?

Measured against a standard single garage door (8 ft wide, 7 ft tall, 20 ft deep stall) and a standard US surface parking space (9 ft x 18 ft). Measure your own opening before buying — older garages are frequently narrower.

Garage door width

Fits

71.7 in wide (body only, mirrors folded) — about 24.3 in of total clearance, so roughly 12 in per side.

Garage door height

Clears

56.3 in tall — 27.7 in of headroom before roof rails, antennas, or a roof box are added.

Parking space

Fits a standard stall

177.2 in long leaves 38.8 in to spare in an 18 ft space, and 36.3 in of side clearance in a 9 ft one.

Size drift: the 2026 Audi S3 is 1 in longer than the 2015 car in our records. If you are replacing an older example with a newer one, check the garage clearance again rather than assuming the outgoing car's footprint carries over.

Its wheelbase (103.5 in) accounts for about 58% of overall length. A higher share generally means shorter overhangs — better approach and departure clearance on driveways and ramps, and more cabin space for the same parking footprint.

Want to see it against another vehicle at the same scale? Open the car size comparison tool or check the Audi S3 curb weight to pair footprint with mass.

Frequently Asked Questions About S3 Dimensions

How long is the Audi S3?

The Audi S3 is 177.165 inches long, 71.6535 inches wide and 56.2992 inches tall. That is roughly 14.8 feet — compare it with your garage depth before buying.

Will the Audi S3 fit in a standard garage?

A standard single-car garage is about 20 feet (240 in) deep and 10 feet (120 in) wide. At 177.165 in long and 71.6535 in wide, the Audi S3 fits with 63 in of room to spare front-to-back. Remember to allow for mirrors and door swing.

How much does the Audi S3 weigh?

Curb weight for the Audi S3 is about 3,483 lbs. Curb weight excludes passengers and cargo, so add roughly 150 lbs per occupant when calculating payload.