2025 Audi A8 vs 2025 BMW M8
Comparison Overview
Choosing between the 2025 Audi A8 and the 2025 BMW M8 often boils down to prioritizing plush, understated luxury versus raw, track-ready performance, especially given the $46,800 difference in starting MSRP, with the A8 beginning at $92,000. If your priority is long-haul comfort and efficiency, the A8 makes a strong case; it delivers a respectable 22 MPG combined from its 335 hp engine. Conversely, the M8 screams performance, boasting a substantial 617 hp and 553 lb-ft of torque, though this comes at the cost of only achieving 17 MPG combined. While the A8 is physically longer at 209.5 inches, facilitating interior space, the M8 offers slightly more accessible storage at 14.8 cu ft compared to the A8's 12.5 cu ft. Ultimately, this comparison pits efficiency and relative affordability against an undeniable 282 hp power advantage.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Audi A8
The Audi A8 wins for commuters due to its superior fuel economy, achieving 22 MPG combined versus the M8's 17 MPG.
2025 Audi A8
The A8 is the practical choice because its larger sedan body style is inherently more accommodating than the M8's coupe format.
2025 BMW M8
The BMW M8 is the clear choice for driving thrills, producing a massive 617 hp compared to the A8's 335 hp.
2025 Audi A8
The Audi A8 offers better overall value by saving buyers $46,800 in initial cost while maintaining luxury levels.
Choose the Audi A8 if...
- You need to manage fuel costs, as the A8 achieves 5 more miles per gallon combined (22 MPG vs. 17 MPG).
- Your budget is closer to the $92,000 starting point, representing a $46,800 saving over the M8.
- You prefer the predictable stability and ride comfort associated with a larger luxury sedan (209.5 inches long).
Choose the BMW M8 if...
- Maximum acceleration and high-output driving are essential, evidenced by its 282 hp advantage (617 hp total).
- You prioritize maximum power delivery, with the M8 providing 553 lb-ft of torque.
- You prefer the sportier look and slightly smaller footprint of a coupe (191.8 inches length) and don't mind the lower efficiency.
Key Dimensions
| Dimension | Audi A8 | BMW M8 |
|---|---|---|
| Length | 209.5" | 191.8" |
| Width | 76.6" | 74.9" |
| Height | 58.3" | 53.6" |
| Wheelbase | 123.1" | 111.3" |
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 | ✓ | ✓ |
| Driver Attention Alert | — | ✓ |
| Brake Drying | — | ✓ |
| Adaptive Headlights | — | ✓ |
| Front Fixed Headrests | — | ✓ |
| Rear Integrated Headrests | — | ✓ |
Engine
| Feature | Audi | BMW |
|---|---|---|
| Base Engine Displacement | 3.0 L | 4.4 L |
| Number of Cylinders | V6 | V8 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 335 hp @ 6000 rpm | 617 hp @ 6000 rpm |
| Torque | 369 lb-ft @ 4500 rpm | 553 lb-ft @ 1800 rpm |
| Number of Valves | 24 | 32 |
| 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 | 15/22 MPG |
| EPA Fuel Economy (Combined) | 22 MPG | 17 MPG |
| EPA Driving Range (City/Highway) | 434.0/564.2 mi. | 301.5/442.2 mi. |
| Fuel Tank Capacity | 21.7 gal. | 20.1 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 | ✓ | ✓ |
| Cruise Control on Steering Wheel | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Extended Cabin Heating/Cooling | — | ✓ |
In Car Entertainment
| Feature | Audi | BMW |
|---|---|---|
| Infotainment Display | 10.1 in | 12.3 in |
| AM/FM Stereo | ✓ | ✓ |
| Premium Brand Speakers | Bang & Olufsen | — |
| Stereo Power | 730W | 464W |
| Speaker System | 17 | 16 |
| 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) | — | ✓ |
| Auxiliary Audio Input | — | ✓ |
Power Feature
| Feature | Audi | BMW |
|---|---|---|
| One-Touch Power Windows | 4 | 2 |
| Moonroof Type | 1st Row Power Glass Extended | — |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
| Reverse Tilt Passenger Mirror | — | ✓ |
Frontseats
| Feature | Audi | BMW |
|---|---|---|
| Front Head Room | 38.3 in. | 38.9 in. |
| Front Leg Room | 41.5 in. | 42.1 in. |
| Front Shoulder Room | 59.1 in. | 57.2 in. |
| Seat Material: Leather | ✓ | — |
| Front Seat Type: Bucket | ✓ | — |
| Driver Seat Power Adjustments | 18-way | 12-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Driver Seat Memory Settings | 2 | 2 |
| Passenger Seat Power Adjustments | 18-way | — |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | Power |
| Passenger Seat Memory Settings | 2 | 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 | — | ✓ |
| Driver Seat Thigh Extension | — | ✓ |
| Passenger Seat Thigh Extension | — | ✓ |
Rearseats
| Feature | Audi | BMW |
|---|---|---|
| Rear Head Room | 38.5 in. | 33.6 in. |
| Rear Leg Room | 44.3 in. | 29.5 in. |
| Rear Shoulder Room | 57.6 in. | 46.9 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 | 285/35R20 |
| 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 M8.
How much more fuel-efficient is the Audi A8 compared to the BMW M8?
The Audi A8 provides significantly better efficiency for daily driving, returning 22 MPG combined. This is a substantial 5 MPG better than the performance-focused BMW M8, which manages only 17 MPG combined.
Is the price difference justified by the performance gap between the two vehicles?
There is a major difference in power, with the M8 delivering 617 hp versus the A8's 335 hp, which accounts for some of the $46,800 price gap. Whether it's justified depends entirely on if you need the extra 282 horsepower for regular driving.
Which vehicle offers more cargo space for practical use?
Surprisingly, the sportier BMW M8 coupe offers slightly more dedicated storage space, boasting 14.8 cubic feet of cargo capacity. The larger Audi A8 sedan only provides 12.5 cubic feet.
Do both cars require premium fuel?
Yes, both the 2025 Audi A8 and the 2025 BMW M8 specify that they require premium unleaded fuel to maintain their specified performance levels.
Are the dimensions drastically different between the A8 sedan and the M8 coupe?
Yes, the A8 is notably longer at 209.5 inches compared to the M8's 191.8 inches, and it is also slightly taller at 58.3 inches versus the M8's 53.6 inches, indicating a more substantial road presence for the Audi.
How does the torque output compare for passing power?
The BMW M8 holds a significant edge in torque, delivering 553 lb-ft to help push you past traffic. The Audi A8 offers a healthy but notably lower 369 lb-ft of torque.
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