2025 Audi S8 vs 2025 BMW 8 Series Gran Coupe
Comparison Overview
The most significant numerical divergence between the 2025 Audi S8 and the 2025 BMW 8 Series Gran Coupe is the substantial MSRP gap of $33,600, positioning the BMW at $91,700 versus the Audi’s $125,300. This price disparity directly correlates with performance metrics; the S8 delivers a commanding 563 hp and 590 lb-ft of torque, overwhelming the BMW's 335 hp and 369 lb-ft. Conversely, fuel economy strongly favors the 8 Series Gran Coupe, achieving a combined 24 MPG compared to the S8’s 18 MPG, which is further supported by the BMW's recommended fuel requirement versus Audi's mandated premium unleaded. While the S8 is longer at 209.5 inches, the BMW offers superior utility with 15.5 cu ft of cargo space against the Audi’s 12.5 cu ft. These figures highlight a clear trade-off between luxury performance excess and calculated efficiency/affordability.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 BMW 8 Series Gran Coupe
The 2025 BMW 8 Series Gran Coupe wins for commuting due to its superior combined fuel economy of 24 MPG versus the S8's 18 MPG.
2025 BMW 8 Series Gran Coupe
The BMW 8 Series Gran Coupe provides more usable space with 15.5 cu ft of cargo capacity compared to the Audi S8's 12.5 cu ft.
2025 Audi S8
The 2025 Audi S8 is the clear enthusiast choice, boasting 563 hp and 590 lb-ft of torque, significantly exceeding the BMW's output.
2025 BMW 8 Series Gran Coupe
The 2025 BMW 8 Series Gran Coupe offers a substantial $33,600 lower MSRP while providing adequate performance figures.
Choose the Audi S8 if...
- The budget allows for the $125,300 MSRP of the 2025 Audi S8.
- Maximum output is required, evidenced by the S8's 563 hp and 590 lb-ft of torque.
- All-wheel drive capability and superior chassis dimensions (209.5 inches long) are prioritized over running costs.
Choose the BMW 8 Series Gran Coupe if...
- Fuel efficiency is important, as the 8 Series achieves 24 MPG combined versus 18 MPG.
- A lower entry price point of $91,700 is a critical purchasing factor.
- More accessible rear cargo utility is needed, thanks to its 15.5 cu ft capacity.
Key Dimensions
| Dimension | Audi S8 | BMW 8 Series Gran Coupe |
|---|---|---|
| Length | 209.5" | 200.3" |
| Width | 76.6" | 76.1" |
| Height | 58.5" | 55.4" |
| Wheelbase | 123.2" | 119.0" |
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 | ✓ | ✓ |
| Cornering Lights | ✓ | — |
| Headlight Washers | ✓ | — |
| Front Fog Lights | ✓ | — |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height 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 Multi-Adjustable Headrests | — | ✓ |
| Rear Integrated Headrests | — | ✓ |
Engine
| Feature | Audi | BMW |
|---|---|---|
| Base Engine Displacement | 4.0 L | 3.0 L |
| Number of Cylinders | V8 | inline 6 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 563 hp | 335 hp @ 5000 rpm |
| Torque | 590 lb-ft | 369 lb-ft @ 1600 rpm |
| Number of Valves | 32 | 24 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
| Cylinder Deactivation | ✓ | — |
Drive Train
| Feature | Audi | BMW |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain Type | all wheel drive | rear wheel drive |
| [object Object] | ✓ | — |
| [object Object] | ✓ | — |
| Rear Differential Type | — | Limited Slip |
Fuel
| Feature | Audi | BMW |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (recommended) |
| EPA Fuel Economy (City/Highway) | 15/24 MPG | 21/29 MPG |
| EPA Fuel Economy (Combined) | 18 MPG | 24 MPG |
| EPA Driving Range (City/Highway) | 325.5/520.8 mi. | 378.0/522.0 mi. |
| Fuel Tank Capacity | 21.7 gal. | 18.0 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 | ✓ | ✓ |
| Cooled Storage Compartment | ✓ | — |
| Cruise Control on Steering Wheel | — | ✓ |
| 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) | — | ✓ |
Power Feature
| Feature | Audi | BMW |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Moonroof Type | 1st Row Power Glass | 1st Row Power Glass Extended |
| Keyless Entry | ✓ | ✓ |
| Reverse Tilt Passenger Mirror | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Audi | BMW |
|---|---|---|
| Front Head Room | 38.3 in. | 39.1 in. |
| Front Leg Room | 41.5 in. | 42.1 in. |
| Front Shoulder Room | 59.1 in. | 57.2 in. |
| Seat Material: Premium Leather | ✓ | ✓ |
| Front Seat Type: Sport | ✓ | ✓ |
| Driver Seat Power Adjustments | 18-way | 10-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Driver Seat Memory Settings | 2 | 2 |
| Passenger Seat Power Adjustments | 18-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 |
| Driver Seat Ventilation | ✓ | — |
| Passenger Seat Ventilation | ✓ | — |
| Seat Massage Function | ✓ | — |
| Driver Seat Thigh Extension | — | ✓ |
| Passenger Seat Thigh Extension | — | ✓ |
| Passenger Seat Memory Settings | — | 2 |
Rearseats
| Feature | Audi | BMW |
|---|---|---|
| Rear Head Room | 38.5 in. | 37.0 in. |
| Rear Leg Room | 44.3 in. | 36.6 in. |
| Rear Shoulder Room | 57.6 in. | 54.6 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Rear Seat Feature | ✓ | — |
| Pass-Thru Center Armrest | ✓ | — |
| Folding Center Armrest | — | ✓ |
Tires and Wheels
| Feature | Audi | BMW |
|---|---|---|
| Wheel Material | Alloy | — |
| Wheel Size | 21 in | 19 x 9.0 in |
| Tire Type | Performance | — |
| Tire Size | 265/35R21 | 275/35R19 |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Wheel Finish | — | Painted Alloy |
| 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./ 36000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Audi S8 and 2025 BMW 8 Series Gran Coupe.
What is the primary performance gap between the 2025 Audi S8 and the 2025 BMW 8 Series Gran Coupe?
The Audi S8 holds a massive advantage in power delivery, generating 563 hp and 590 lb-ft of torque from its engine. The BMW 8 Series Gran Coupe produces significantly less, delivering 335 hp and 369 lb-ft of torque.
How does the fuel economy compare given the required fuel types?
The BMW 8 Series Gran Coupe is substantially more efficient, achieving 24 MPG combined on recommended premium fuel. The Audi S8 returns only 18 MPG combined and requires premium unleaded gasoline.
Which vehicle offers better practicality in terms of space?
The BMW 8 Series Gran Coupe offers slightly better utility, featuring 15.5 cu ft of cargo capacity compared to the Audi S8's 12.5 cu ft. However, the S8 is physically longer at 209.5 inches compared to the BMW’s 200.3 inches.
Is the significant price difference justified by exclusive drivetrain features?
The Audi S8 commands a $125,300 MSRP, while the BMW starts at $91,700, reflecting the Audi's superior performance hardware and its standard all-wheel drive system, versus the BMW's RWD configuration.
Are the transmissions identical between these two models?
Both the 2025 Audi S8 and the 2025 BMW 8 Series Gran Coupe utilize an 8-speed shiftable automatic transmission for gear selection.
What are the dimensional differences relevant to garage parking?
The Audi S8 is wider at 76.6 inches and significantly taller at 58.5 inches compared to the BMW’s 76.1 inches width and 55.4 inches height.
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