2026 Audi A3 vs 2026 BMW 3 Series

$40,100 · Sedan

$47,500 · Sedan

Comparison Overview

The most significant divergence between the 2026 Audi A3 and the 2026 BMW 3 Series is the $7,400 MSRP difference, with the A3 starting at $40,100 versus the 3 Series' $47,500. This price gap correlates with a substantial 54 horsepower deficit for the A3 (201 hp vs. 255 hp in the BMW). The BMW also boasts superior torque at 295 lb-ft compared to the A3's 236 lb-ft. Efficiency metrics slightly favor the BMW at a combined 31 MPG, while the Audi achieves 28 MPG combined. However, the A3 requires only regular unleaded fuel, whereas the 3 Series mandates premium. Finally, the 3 Series offers significantly more utility, nearly doubling the cargo capacity at 16.9 cu ft compared to the A3's 8.3 cu ft, alongside a longer overall length of 185.9 inches versus 177.3 inches.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Audi A3

The Audi A3 wins for commuters due to its lower initial MSRP of $40,100 and requirement for less expensive regular unleaded fuel.

👨‍👩‍👧‍👦 Best for Families

2026 BMW 3 Series

The 2026 BMW 3 Series is the superior family choice, offering 16.9 cu ft of cargo capacity, almost double the A3's 8.3 cu ft.

🏎️ Best for Enthusiasts

2026 BMW 3 Series

The BMW 3 Series offers superior performance credentials, producing 255 hp and 295 lb-ft of torque compared to the A3's 201 hp and 236 lb-ft.

💰 Best Value

2026 Audi A3

The Audi A3 presents better value, delivering a lower entry price and requiring standard fuel, despite yielding 54 fewer horsepower.

Choose the Audi A3 if...

Budget constraints are primary, given the A3's $7,400 lower starting MSRP.
Owners prefer the inherent stability of an all-wheel-drive system for mixed conditions.
Lower running costs are desired, as the A3 accepts regular unleaded fuel.

Choose the BMW 3 Series if...

Maximum acceleration is a priority, backed by 255 horsepower and 295 lb-ft of torque.
Superior practicality is needed, evidenced by the 16.9 cu ft cargo volume.
A more engaging driving dynamic is sought via the standard rear-wheel-drive layout and 8-speed automatic transmission.

Key Dimensions

Dimension	Audi A3	BMW 3 Series
Length	177.3"	185.9"
Width	71.5"	71.9"
Height	56.2"	56.8"
Wheelbase	103.7"	112.2"

Features Comparison

Safety

Feature	Audi	BMW
Blind Spot Monitor	✓	—
Lane Departure Warning	✓	✓
Rear Cross Traffic Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	—
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Solid Disc Brakes	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Lane Keeping Assist System	—	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Rear Ventilated Disc Brakes	—	✓
Brake Preparation System	—	✓
Headlight Delay-Off	—	✓
Self-Leveling Headlights	—	✓

Engine

Feature	Audi	BMW
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	mild hybrid	mild hybrid
Horsepower	201 hp	255 hp @ 4700 rpm
Torque	236 lb-ft	295 lb-ft @ 1600 rpm
Number of Valves	16	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Audi	BMW
Transmission Type	7-speed automated manual	8-speed shiftable automatic
Drivetrain Type	all wheel drive	rear wheel drive
Center Differential Type	Limited Slip	—
Hill Descent Control	✓	—

Fuel

Feature	Audi	BMW
Fuel Type	regular unleaded	premium unleaded (required)
EPA Fuel Economy (City/Highway)	24/34 MPG	28/35 MPG
EPA Fuel Economy (Combined)	28 MPG	31 MPG
EPA Driving Range (City/Highway)	348.0/493.0 mi.	436.8/546.0 mi.
Fuel Tank Capacity	14.5 gal.	15.6 gal.

Comfort & Convenience

Feature	Audi	BMW
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	—
Rear Parking Sensors	✓	—
Driver Assisted Parking Assist	✓	—
Cruise Control	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Leather Steering Wheel	✓	—
Three Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	✓
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cruise Control on Steering Wheel	—	✓
Universal Remote Transmitter	—	✓
Front Seatback Storage	—	✓
Dual Zone Climate Control	—	✓
Auto-Dimming Rearview Mirror	—	✓

In Car Entertainment

Feature	Audi	BMW
Infotainment Display	10.1 in	14.9 in
AM/FM Stereo	✓	✓
Speaker System	6	10
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Stereo Power	—	205W
Subwoofer Count	—	2
Satellite Radio	—	✓
Satellite Radio Trial Period	—	12 months

Power Feature

Feature	Audi	BMW
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	1st Row Power Glass
Remote Keyless Entry	✓	—
Heated Mirrors	✓	✓
Keyless Entry	—	✓

Frontseats

Feature	Audi	BMW
Front Head Room	36.8 in.	38.7 in.
Front Leg Room	41.2 in.	42.0 in.
Front Shoulder Room	54.8 in.	56.0 in.
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	—
Driver Seat Power Adjustments	8-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Passenger Seat Power Adjustments	8-way	10-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leatherette	—	✓
Front Seat Type: Sport	—	✓
Driver Seat Manual Adjustments	—	2-way
Driver Seat Thigh Extension	—	✓
Driver Seat Memory Settings	—	2
Passenger Seat Manual Adjustments	—	2-way
Passenger Seat Thigh Extension	—	✓

Rearseats

Feature	Audi	BMW
Rear Head Room	36.6 in.	37.6 in.
Rear Leg Room	35.2 in.	35.2 in.
Rear Shoulder Room	53.0 in.	54.6 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	✓
Pass-Thru Center Armrest	✓	✓

Tires and Wheels

Feature	Audi	BMW
Wheel Material	Alloy	—
Wheel Diameter	17 in	—
Tire Type	All Season	—
Tire Size	225/45R17	225/45R18
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Finish	—	Painted Alloy
Wheel Size	—	18 x 7.5 in
Run Flat Tires	—	✓

Suspension

Feature	Audi	BMW
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Audi	BMW
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	12 yr./ unlimited mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	3 yr./ 30000 mi.	3 yr./ 36000 mi.

Frequently Asked Questions

Common questions about comparing the 2026 Audi A3 and 2026 BMW 3 Series.

Which sedan offers better fuel economy based on EPA estimates?

The 2026 BMW 3 Series achieves a slightly higher combined rating of 31 MPG (28 city/35 highway) compared to the Audi A3's 28 MPG combined (24 city/34 highway). However, the Audi achieves its rating on regular unleaded, while the BMW requires premium fuel.

How significant is the difference in power output between the two models?

The BMW 3 Series holds a measurable advantage, generating 255 horsepower and 295 lb-ft of torque. This is substantially more than the Audi A3, which is rated at 201 horsepower and 236 lb-ft of torque.

Is the Audi A3 significantly smaller than the BMW 3 Series?

Yes, the Audi A3 is dimensionally smaller across the board, measuring 177.3 inches long compared to the BMW's 185.9 inches. This size difference directly impacts utility, as the A3 only offers 8.3 cu ft of cargo space versus the 3 Series' 16.9 cu ft.

Does the drivetrain configuration affect the purchase decision?

The default drive types differ: the A3 utilizes all-wheel drive (AWD), whereas the base 3 Series uses rear-wheel drive (RWD). AWD systems are often favored for adverse weather traction, while RWD is generally preferred for traditional performance balance.

What is the financial impact of choosing the more powerful BMW?

The decision to opt for the higher-output BMW 3 Series carries an initial premium of $7,400 over the Audi A3's $40,100 base price. Furthermore, the BMW necessitates higher ongoing fuel costs due to the requirement for premium gasoline.

Which car features a more sophisticated transmission?

The BMW 3 Series comes standard with an 8-speed shiftable automatic transmission, which offers one more gear ratio than the Audi A3’s 7-speed automated manual transmission.