2018 Audi A8: recalls, fuel economy and safety ratings
EPA rates the 2018 Audi A8 at 19–22 mpg combined across 2 versions. NHTSA lists 2 safety recalls and 0 owner complaints for this model year.
Safety recalls
2
EPA combined mpg
19–22
NHTSA overall rating
—
Recall file dated Oct 28, 2026 · EPA file dated Sep 29, 2026 · updated Oct 28, 2026, 7:36 AM EDT
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Audi dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2018 Audi A8 recalls
NHTSA's recall file lists 2 safety recalls for the 2018 Audi A8, newest first.
Structure: Body: Hood
NHTSA 20V397000Reported Jul 7, 2020
Filed by
Volkswagen Group of America, Inc. (manufacturer recall no. 51G6)
Units affected
12,964 (estimate)
Problem
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S8 and A8 vehicles. The seal around the engine compartment may come loose and contact hot engine components.
Risk
If the seal contacts hot engine components, there could be an increased risk of a fire.
Remedy
Audi will notify owners, and dealers will install a retaining plate to prevent the engine compartment seal from loosening. The recall began September 4, 2020. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 51G6.
Volkswagen Group of America, Inc. (manufacturer recall no. 24DP)
Units affected
74,881 (estimate)
Problem
Volkswagen Group of America, Inc. (Audi) is recalling certain 2016-2018 Q7, A6 and A7 vehicles, and 2015-2018 Audi A8 vehicles. The left and right fuel rails may leak fuel.
Risk
A fuel leak in the presence of an ignition source can increase risk of a fire.
Remedy
Audi has notified owners, and dealers will replace the left and right fuel rail, free of charge. The recall began February 28, 2019. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 24DP.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2018 Audi A8 fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2018 Audi A8 crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
2018 Audi A8 NHTSA 5-Star Safety Ratings
Tested vehicle
Overall
Frontal
Side
Rollover
Rollover risk
Forward collision warning
2018 Audi A8 LWB 4 DR AWD
Not rated
Not rated
Not rated
Not rated
—
Optional
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2018 Audi A8 owner complaints
NHTSA's complaint files list no owner complaints for the 2018 Audi A8 received since January 1, 2015.
