2018 Audi S6 Prestige
Unverified
All photo credits
- Photo: 2018 Audi S6 4.0 TFSI Quattro in Misano Red Pearl Effect, front left 2, 2026-09-08 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: Audi S6, Berlin (20251221-P1074712) by Matti Blume, CC BY-SA 4.0, via Wikimedia Commons
- Photo: Audi S6, Berlin (20251221-P1074713) by Matti Blume, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 2018 Audi S6 4.0 TFSI Quattro in Misano Red Pearl Effect, rear left, 2026-09-08 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 2014 Audi S6 Avant C7 Typ 4G V8 4.0 TFSI S tronic quattro Facelift Cockpit Interieur Innenraum Arrasrot by Kickaffe (Mario von Berg), CC BY-SA 4.0, via Wikimedia Commons
The 2018 Audi S6 Prestige is a 450-hp 4.0-liter twin-turbocharged V8 with a 7-speed s tronic dual-clutch automatic and all-wheel drive. It starts at $74,400 MSRP and is rated at 18 mpg combined.
It makes 450 horsepower at 5,800 rpm and 406 lb-ft of torque at 1400 rpm. EPA fuel-economy estimates are 16 mpg city and 24 mpg highway (18 mpg combined).
The S6 measures 194.4 inches long on a 114.8-inch wheelbase and has a curb weight of 4,497 lb.
| Spec | Value |
|---|---|
| Vehicle | |
| Powertrain | Gas |
| Price | |
| MSRP | $74,400 |
| MSRP with Destination | $75,375 |
| Destination Charge | $975 |
| Engine | |
| Engine Type | 4.0 TFSI twin-turbocharged V8 |
| Displacement | 4 L |
| Horsepower | 450 hp @ 5,800 rpm |
| Torque | 406 lb-ft @ 1400 rpm |
| Drivetrain | |
| Drive Type | quattro all-wheel drive, standard |
| Differential Type | quattro sport (crown-gear) differential, standard |
| Transmission | |
| Transmission | 7-speed S tronic dual-clutch automatic |
| 1st Gear | 3.69 |
| 2nd Gear | 2.15 |
| 3rd Gear | 1.41 |
| 4th Gear | 1.02 |
| 5th Gear | 0.79 |
| 6th Gear | 0.62 |
| 7th Gear | 0.52 |
| Reverse | 2.94 |
| Final Drive | 4.09 |
| Fuel Economy | |
| City | 16 MPG |
| Highway | 24 MPG |
| Combined | 18 MPG |
| Recommended Fuel | Premium unleaded |
| Tank Capacity | 19.8 gal |
| Suspension | |
| Turning Diameter | 39 ft |
| Brakes | |
| Front Brake Disc | 15.7 in ventilated |
| Rear Brake Disc | 14.0 in ventilated |
| Tires & Wheels | |
| Wheels Front | 20x8.5-inch |
| Wheels Rear | 20x8.5-inch |
| Tires Front | 255/35R20 summer |
| Tires Rear | 255/35R20 summer |
| Dimensions & Weight | |
| Length | 194.4 in |
| Width | 73.8 in |
| Height | 56.8 in |
| Wheelbase | 114.8 in |
| Front Track | 63.6 in |
| Rear Track | 63.2 in |
| Cargo Volume | 14.1 ft³ |
| Curb Weight | 4,497 lbs |
| Interior | |
| Headroom Front | 37.2 in |
| Headroom Rear | 37.8 in |
| Legroom Front | 41.3 in |
| Legroom Rear | 37.4 in |
| Shoulder Room Front | 57.5 in |
| Shoulder Room Rear | 56.3 in |
Similar cars
Rivals to the 2018 Audi S6 Prestige with similar size, power and price from around the same years.
Safety & Recalls
NCAP safety ratings
| Overall | ★★★★★ |
| Frontal crash | ★★★★★ |
| Side crash | ★★★★★ |
| Rollover | ★★★★★ (9.0 % risk) |
Recalls
1 recall on file with NHTSA for the 2018 Audi S6. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.
Jun 4, 2018 · AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S6 and S7, 2012-2018 A7 and A6 Sedan, and 2014-2018 RS7 vehicles equipped with basic seats (with or without heating). Stress or wear of the body-sensing mat within the front passenger seat may cause the Passenger Occupant Detection System (PODS) control module to malfunction.
Consequence: If the PODS module malfunctions, the front passenger air bag may not deploy properly in the event of a crash, increasing the risk of injury.
Remedy: Volkswagen will notify owners, and dealers will install a PODS system repair kit, free of charge. The recall began November 29, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 74D5.
NHTSA campaign 18V370000
4 owner complaints to NHTSA for the 2018 Audi S6
Owner Complaints
4 owner complaints filed with NHTSA for the 2018 Audi S6. See all on nhtsa.gov
| Steering | 2 |
| Electrical System | 1 |
| Service Brakes | 1 |
| Visibility/Wiper | 1 |
Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.
Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2018 AUDI S6. US-market vehicles only; data cached for up to 7 days.