2025 Audi A8 vs 2025 BMW M4 CS
Comparison Overview
The 2025 Audi A8 defines serene, technological luxury, emanating presence with its 209.5-inch frame, while the 2025 BMW M4 CS bursts forth as a dedicated performance weapon. The A8 delivers smooth, all-weather capability with 335 hp, achieving a respectable 22 MPG combined despite its stature. Conversely, the M4 CS unleashes a staggering 543 hp and 479 lb-ft of torque, prioritizing outright speed over efficiency, evidenced by its 18 MPG combined rating. This contrast pits refined, substantial comfort against raw, focused exhilaration. While the A8 asks for an entry price of $92,000, the M4 CS commands $123,500, creating a significant $31,500 gulf in initial outlay. The A8’s extra 4 MPG combined efficiency speaks to its executive cruising mandate, whereas the M4 CS accepts lower efficiency for its 208 hp advantage.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Audi A8
The Audi A8 offers a more comfortable, spacious experience suitable for daily driving duties, boasting better fuel economy at 22 MPG combined.
2025 Audi A8
As a larger sedan with a standard four-door layout, the A8 provides superior passenger access and a more conventional luxury setup than the M4 CS coupe.
2025 BMW M4 CS
The BMW M4 CS is the undisputed choice for driving excitement due to its massive 543 hp output, delivering thrilling acceleration.
2025 Audi A8
The Audi A8 offers significant luxury presence and standard AWD for $31,500 less than the high-performance M4 CS.
Choose the Audi A8 if...
- You prioritize effortless, quiet cruising and need four full doors for passengers.
- You desire AWD security without the top-tier performance price tag, starting at $92,000.
- You value efficiency slightly more, earning 22 MPG combined versus the M4 CS's 18 MPG.
Choose the BMW M4 CS if...
- Maximum, track-ready performance is essential, thanks to its 543 hp engine.
- You prefer the focused, two-door dynamics of a dedicated coupe body style.
- You need superior torque delivery, possessing 479 lb-ft versus the A8's 369 lb-ft.
Key Dimensions
| Dimension | Audi A8 | BMW M4 CS |
|---|---|---|
| Length | 209.5" | 189.0" |
| Width | 76.6" | 75.5" |
| Height | 58.3" | 55.1" |
| Wheelbase | 123.1" | 112.5" |
Features Comparison
Safety
| Feature | Audi | BMW |
|---|---|---|
| Lane Departure Warning | ✓ | ✓ |
| 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 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 Multi-Adjustable Headrests | ✓ | — |
| Rear Headrests | 3 | 2 |
| Rear Height Adjustable Headrests | ✓ | — |
| Rear Center 3-Point Seatbelt | ✓ | — |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Blind Spot Monitor | — | ✓ |
| Front Fixed Headrests | — | ✓ |
| Rear Fixed Headrests | — | ✓ |
Engine
| Feature | Audi | BMW |
|---|---|---|
| Base Engine Displacement | 3.0 L | 3.0 L |
| Number of Cylinders | V6 | inline 6 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 335 hp @ 6000 rpm | 543 hp @ 6250 rpm |
| Torque | 369 lb-ft @ 4500 rpm | 479 lb-ft @ 2750 rpm |
| Number of Valves | 24 | 24 |
| 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 | all wheel drive |
| Center Differential Type | Limited Slip | — |
| [object Object] | — | ✓ |
| [object Object] | — | ✓ |
Fuel
| Feature | Audi | BMW |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 20/26 MPG | 16/23 MPG |
| EPA Fuel Economy (Combined) | 22 MPG | 18 MPG |
| EPA Driving Range (City/Highway) | 434.0/564.2 mi. | 249.6/358.8 mi. |
| Fuel Tank Capacity | 21.7 gal. | 15.6 gal. |
Comfort & Convenience
| Feature | Audi | BMW |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Power Tilt and Telescopic Steering Wheel | ✓ | — |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Front View Camera | ✓ | — |
| Side View Camera | ✓ | — |
| Rear View Camera | ✓ | ✓ |
| Front Parking Sensors | ✓ | ✓ |
| Rear Parking Sensors | ✓ | ✓ |
| Wireless Charging Pad | ✓ | ✓ |
| Cruise Control | ✓ | ✓ |
| Universal Remote Transmitter | ✓ | ✓ |
| Front Cupholders | ✓ | — |
| Rear Cupholders | ✓ | — |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | — |
| Front Seatback Storage | ✓ | — |
| Leather Steering Wheel | ✓ | — |
| Heated Steering Wheel | ✓ | — |
| Four Zone Climate Control | ✓ | — |
| Rear Ventilation Ducts with Fan Control | ✓ | — |
| Interior Air Filtration | ✓ | ✓ |
| Extended Cabin Heating | ✓ | — |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | — |
| Tilt and Telescopic Steering Wheel | — | ✓ |
| Cruise Control on Steering Wheel | — | ✓ |
| Steering Wheel Material | — | Simulated Suede/Carbon Fiber |
| Dual Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts | — | ✓ |
In Car Entertainment
| Feature | Audi | BMW |
|---|---|---|
| Infotainment Display | 10.1 in | 14.9 in |
| AM/FM Stereo | ✓ | ✓ |
| Premium Brand Speakers | Bang & Olufsen | — |
| Stereo Power | 730W | — |
| Speaker System | 17 | — |
| Surround Audio | Discrete | Discrete |
| Android Auto (Wireless) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | — |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 12 months |
| Speed Sensitive Volume Control | ✓ | — |
| Premium Speaker Brand | — | Harman/Kardon |
| Android Auto (Wired) | — | ✓ |
| Apple CarPlay (Wired) | — | ✓ |
Power Feature
| Feature | Audi | BMW |
|---|---|---|
| One-Touch Power Windows | 4 | 2 |
| Moonroof Type | 1st Row Power Glass Extended | — |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Audi | BMW |
|---|---|---|
| Front Head Room | 38.3 in. | — |
| Front Leg Room | 41.5 in. | — |
| Front Shoulder Room | 59.1 in. | — |
| Seat Material: Leather | ✓ | — |
| Front Seat Type: Bucket | ✓ | — |
| Driver Seat Power Adjustments | 18-way | — |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | — |
| Driver Seat Memory Settings | 2 | 2 |
| Passenger Seat Power Adjustments | 18-way | — |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | — |
| Passenger Seat Memory Settings | 2 | — |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Driver Seat Ventilation | ✓ | — |
| Passenger Seat Ventilation | ✓ | — |
| Seat Material: Premium Leather | — | ✓ |
| Front Seat Type: Sport | — | ✓ |
Rearseats
| Feature | Audi | BMW |
|---|---|---|
| Rear Head Room | 38.5 in. | — |
| Rear Leg Room | 44.3 in. | — |
| Rear Shoulder Room | 57.6 in. | — |
| Folding Rear Seat Feature | ✓ | — |
| Pass-Thru Center Armrest | ✓ | — |
| Split-Folding Rear Seatback | — | ✓ |
Tires and Wheels
| Feature | Audi | BMW |
|---|---|---|
| Wheel Finish | Painted Alloy | Painted Alloy |
| Wheel Diameter | 20 in. | — |
| Tire Type | All Season | Performance |
| Tire Size | 265/40R20 | 285/30R |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Wheel Size | — | 20 x 10.5 in. |
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./ 36000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Audi A8 and 2025 BMW M4 CS.
How much faster is the BMW M4 CS than the Audi A8 in terms of power?
The M4 CS holds a substantial power advantage, producing 543 hp compared to the A8's 335 hp, representing a 208 hp difference. This power imbalance directly translates to a far more visceral acceleration experience in the coupe.
Is the Audi A8 significantly larger than the BMW M4 CS?
Yes, the A8 is longer and slightly taller, measuring 209.5 inches in length compared to the M4 CS's 189.0 inches. This 20.5-inch difference in length emphasizes the A8's stately executive sedan proportions.
How does the fuel economy differ between these two premium vehicles?
The efficiency gap is notable; the A8 achieves a 22 MPG combined rating, whereas the performance-focused M4 CS manages only 18 MPG combined. Drivers prioritizing cruising range will prefer the A8's 4 MPG advantage.
What is the price difference between the 2025 Audi A8 and the BMW M4 CS?
The BMW M4 CS carries a significantly higher MSRP of $123,500, creating a $31,500 price gap over the $92,000 base price of the Audi A8. This cost directly reflects the M4 CS's dedicated performance engineering.
Which car offers better utility for carrying luggage?
Both vehicles have tight cargo areas, but the Audi A8 offers a marginally larger space at 12.5 cubic feet, compared to the M4 CS's 12.0 cubic feet. However, both are coupes/large sedans and are not designed for maximum hauling.
Do both cars use AWD and an 8-speed automatic transmission?
Yes, both the 2025 Audi A8 and the 2025 BMW M4 CS utilize an all-wheel-drive system paired with an 8-speed shiftable automatic transmission. This suggests both offer competent traction management, despite their radically different performance missions.
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