2025 Audi S4 vs 2026 BMW 4 Series Gran Coupe

$54,900 · Sedan

$50,600 · Sedan

Comparison Overview

Deciding between the 2025 Audi S4 and the 2026 BMW 4 Series Gran Coupe often comes down to prioritizing outright speed versus long-term running costs. The S4 offers significantly more muscle with 349 hp and 369 lb-ft of torque, making it the obvious choice for performance hounds, despite its higher $54,900 MSRP. Conversely, the BMW starts at a lower $50,600, which saves $4,300 upfront. The efficiency gap is substantial: the 4 Series Gran Coupe achieves a combined 30 MPG, whereas the Audi manages only 24 MPG. For daily drivers counting pennies at the pump, that 6 MPG difference is key. While both are compact luxury sedans, the Audi delivers near 100 more horsepower, but the BMW counters with 16.6 cu ft of cargo space compared to the S4's 12 cu ft, making the practical packing aspect an easy win for the BMW.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 BMW 4 Series Gran Coupe

The 2026 BMW 4 Series Gran Coupe wins for commuters due to its superior 30 combined MPG rating versus the S4's 24 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 BMW 4 Series Gran Coupe

Families will prefer the 4 Series Gran Coupe because it offers substantially more cargo capacity at 16.6 cu ft compared to the S4's 12 cu ft.

🏎️ Best for Enthusiasts

2025 Audi S4

The 2025 Audi S4 is the enthusiast choice, boasting 349 hp and 369 lb-ft of torque, far exceeding the BMW's power figures.

💰 Best Value

2026 BMW 4 Series Gran Coupe

The BMW 4 Series offers better overall value starting at $50,600 while delivering better fuel economy and more space.

Choose the Audi S4 if...

You demand superior straight-line performance, thanks to the S4's 349 hp output.
You prefer the stability of standard All-Wheel Drive right out of the box.
You want the higher torque figure of 369 lb-ft for quicker acceleration response.

Choose the BMW 4 Series Gran Coupe if...

Saving money on fuel is critical, as the 4 Series achieves 35 MPG on the highway.
You need the extra utility provided by the larger 16.6 cu ft cargo area.
You prefer to spend $4,300 less on the initial purchase price, starting at $50,600.

Key Dimensions

Dimension	Audi S4	BMW 4 Series Gran Coupe
Length	187.5"	188.5"
Width	72.7"	72.9"
Height	56.2"	56.8"
Wheelbase	111.0"	112.4"

Features Comparison

Safety

Feature	Audi	BMW
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front 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 Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Self-Leveling Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Integrated Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Engine Immobilizer	✓	✓
Blind Spot Monitor	—	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Front Multi-Adjustable Headrests	—	✓
Anti-Theft Alarm System (Remote)	—	✓

Engine

Feature	Audi	BMW
Base Engine Displacement	3.0 L	2.0 L
Number of Cylinders	V6	inline 4
Base Engine Type	gas	mild hybrid
Horsepower	349 hp @ 6300 rpm	255 hp @ 4700 rpm
Torque	369 lb-ft @ 3200 rpm	295 lb-ft @ 1600 rpm
Number of Valves	24	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	8-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	all wheel drive	rear wheel drive
Center Differential Type	Limited Slip	—

Fuel

Feature	Audi	BMW
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	20/29 MPG	27/35 MPG
EPA Fuel Economy (Combined)	24 MPG	30 MPG
EPA Driving Range (City/Highway)	306.0/443.7 mi.	421.2/546.0 mi.
Fuel Tank Capacity	15.3 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	✓	✓
Adaptive Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	—
Three Zone Climate Control	✓	—
Rear Ventilation Ducts with Fan Control	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cruise Control on Steering Wheel	—	✓
Wireless Charging Pad	—	✓
Cruise Control	—	✓
Dual Zone Climate Control	—	✓
Rear Ventilation Ducts	—	✓
Interior Air Filtration	—	✓

In Car Entertainment

Feature	Audi	BMW
Infotainment Display	10.1 in	14.9 in
AM/FM Stereo	✓	✓
Stereo Power	180W	205W
Speaker System	10	10
Subwoofer Count	1	—
Apple CarPlay (Wireless)	✓	—
Android Auto (Wired)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Apple CarPlay (Wired)	—	✓
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	1st Row Power Glass Extended
Remote Keyless Entry	✓	—
Heated Mirrors	✓	✓
Keyless Entry	—	✓
Reverse Tilt Dual Mirrors	—	✓

Frontseats

Feature	Audi	BMW
Front Head Room	37.3 in.	38.6 in.
Front Leg Room	41.3 in.	41.5 in.
Front Shoulder Room	55.9 in.	55.2 in.
Seat Material: Leather/Sueded Microfiber	✓	—
Front Seat Type: Sport	✓	✓
Driver Seat Power Adjustments	8-way	—
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	—
Passenger Seat Power Adjustments	8-way	—
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Massage Function	✓	—
Seat Material: Leatherette	—	✓
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	37.4 in.	36.6 in.
Rear Leg Room	35.7 in.	34.9 in.
Rear Shoulder Room	54.5 in.	54.3 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	✓
Pass-Thru Center Armrest	✓	✓

Tires and Wheels

Feature	Audi	BMW
Wheel Material	Alloy	—
Wheel Diameter	19 in	—
Tire Type	Performance	—
Tire Size	✓	245/45R H
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Finish	—	Painted Alloy
Wheel Size	—	18 x 8.5 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.
Drivetrain Warranty	—	4 yr./ 50000 mi.
Corrosion/Rust Warranty	—	12 yr./ unlimited mi.
Roadside Assistance	—	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	—	3 yr./ 36000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Audi S4 and 2026 BMW 4 Series Gran Coupe.

What is the real-world fuel economy difference between these two sedans?

The 2026 BMW 4 Series Gran Coupe is significantly more efficient, achieving a combined 30 MPG. The 2025 Audi S4 lags behind considerably, netting only 24 combined MPG, resulting in an overall 6 MPG gap favoring the BMW.

Is the Audi S4 much faster than the BMW 4 Series Gran Coupe?

Yes, the performance difference is substantial; the S4 produces 349 hp, which is 94 horsepower more than the 255 hp generated by the 4 Series Gran Coupe. This means the Audi should offer notably quicker acceleration.

Which vehicle offers more usable space for luggage?

The 2026 BMW 4 Series Gran Coupe provides significantly more utility with 16.6 cu ft of cargo capacity. The 2025 Audi S4 is constrained to just 12 cu ft, making road trips tougher with the Audi.

How much more expensive is the Audi S4 at the dealership?

The 2025 Audi S4 has a starting MSRP of $54,900, which is $4,300 higher than the BMW 4 Series Gran Coupe's entry price of $50,600.

Do the drivetrains differ significantly between these two models?

They employ different core driving dynamics; the Audi S4 comes standard with All-Wheel Drive, while the base 4 Series Gran Coupe utilizes Rear Wheel Drive.

Are both vehicles strict on fuel requirements?

Both recommend premium fuel, but the Audi S4 notes it is 'recommended,' whereas the BMW 4 Series Gran Coupe lists premium unleaded as 'required' for its performance levels.