2018 Audi S4
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 Audi S4 is worth — from official NHTSA and EPA data. 5 on record.
2018 Audi S4 at a glance
Free: specs, open recalls for that exact car, build sheet and fair price.
2018 Audi S4 recalls 2
Volkswagen Group of America, Inc. (Audi) is recalling certain 2018-2019 Audi RS5 Sportback, 2018 S5 Cabriolet, S5 Sportback, S5 Coupe, S4 Sedan, A5 Cabriolet, A5 Sportback, A5 Coupe, and 2017-2018 A4 Sedan and A4 Allroad vehicles. Oxidation on the Passenger Occupant Detection System (PODS) connecting cable may cause the software to misdiagnose a malfunction and disable the passenger air bag.
Fix: Audi will notify owners, and dealers will install cable ties to the harness, free of charge. The recall began September 9, 2019. Owners may contact Volkswagen customer service at 1-800-893-5298. Audi's number for this recall is 74D9.
Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and di…
Fix: Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Re…
Source: U.S. NHTSA. A recall applies to a model year, but only a VIN check shows whether a specific car has had the repair done.
2018 Audi S4 common problems
The most-reported problem areas from 7 owner complaints filed with NHTSA — and what to check before you buy.
2018 Audi S4 MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov, averaged across trims.
Estimated 5-year cost to own
A rough guide to what running a 2018 Audi S4 costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
2018 Audi S4 trims & engines on record
2018 Audi S4 vehicles on record
2018 Audi S4 quattro Premium Plus, quattro Progressiv (Canada)WAUB4AF47JA116432
2018 Audi S4 quattro Premium Plus, quattro Progressiv (Canada)WAUB4AF45JA060779
2018 Audi S4 quattro Premium Plus, quattro Progressiv (Canada)WAUB4AF42JA019848
2018 Audi S4 quattro Premium Plus, quattro Progressiv (Canada)WAUB4AF45JA003417
2018 Audi S4 quattro Premium Plus, quattro Progressiv (Canada)WAUB4AF48JA062459
Other Audi S4 model years
2018 Audi S4 — frequently asked questions
Does the 2018 Audi S4 have any safety recalls?
Yes — NHTSA lists 2 safety recalls for the 2018 Audi S4. Recall repairs are free at any franchised dealer. Whether a specific car still has one open depends on its VIN.
What are the most common problems with the 2018 Audi S4?
Based on 7 owner complaints filed with NHTSA, the most-reported problem areas are engine, suspension, service brakes.
What gas mileage does the 2018 Audi S4 get?
The U.S. EPA rates the 2018 Audi S4 at about 24 mpg combined (21 city / 30 highway).
Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.