2025 Audi S8 Base
The 2025 Audi S8 Base is a 563-hp 4.0-liter twin-turbocharged V8 with an 8-speed tiptronic automatic and all-wheel drive. It starts at $125,300 MSRP and is rated at 18 mpg combined.
It makes 563 horsepower and 590 lb-ft of torque. EPA fuel-economy estimates are 15 mpg city and 24 mpg highway (18 mpg combined).
The S8 measures 209.5 inches long on a 123.2-inch wheelbase and has a curb weight of 5,126 lb.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $125,300 |
| MSRP with Destination | $126,595 |
| Destination Charge | $1,295 |
| Engine | |
| Engine Type | Twin-turbocharged V8 TFSI |
| Displacement | 4 L |
| Horsepower | 563 hp |
| Torque | 590 lb-ft |
| Valvetrain | 32-valve DOHC with Audi valvelift system and variable valve timing |
| Bore and Stroke | 86.0 x 86.0 |
| Compression Ratio | 10.1:1 |
| Drivetrain | |
| Drive Type | All-Wheel Drive (quattro, standard) |
| Differential Type | quattro all-wheel drive with sport rear differential |
| Transmission | |
| Transmission | 8-Speed Tiptronic Automatic |
| 1st Gear | 4.714 |
| 2nd Gear | 3.143 |
| 3rd Gear | 2.106 |
| 4th Gear | 1.667 |
| 5th Gear | 1.285 |
| 6th Gear | 1 |
| 7th Gear | 0.839 |
| 8th Gear | 0.667 |
| Reverse | 3.317 |
| Fuel Economy | |
| City | 15 MPG |
| Highway | 24 MPG |
| Combined | 18 MPG |
| Recommended Fuel | Premium Unleaded |
| Tank Capacity | 21.7 gal |
| Suspension | |
| Front Suspension | Audi adaptive air suspension (sport) |
| Rear Suspension | Audi adaptive air suspension (sport) |
| Turning Diameter | 42.3 ft |
| Brakes | |
| Front Brake Disc | 15.8 in |
| Rear Brake Disc | 13.8 in |
| Tires & Wheels | |
| Wheels Front | 21 in |
| Wheels Rear | 21 in |
| Tires Front | 265/35R21 summer |
| Tires Rear | 265/35R21 summer |
| Dimensions & Weight | |
| Length | 209.5 in |
| Width | 76.6 in |
| Height | 58.5 in |
| Wheelbase | 123.2 in |
| Front Track | 64.1 in |
| Rear Track | 63.6 in |
| Cargo Volume | 12.5 ft³ |
| Curb Weight | 5,126 lbs |
| Interior | |
| Headroom Front | 38.3 in |
| Headroom Rear | 38.5 in |
| Legroom Front | 41.5 in |
| Legroom Rear | 44.3 in |
| Shoulder Room Front | 59.1 in |
| Shoulder Room Rear | 57.6 in |