2019 Audi Q8 Vehicle speed control Problems
- Complaints
- 6about this part
- Share
- 5%of 110 total for the year
- Median mileage
- 11miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the vehicle speed control of the 2019 Audi Q8, 5% of the 110 complaints for this model year. Where a mileage was given, the median is 11 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The car will unpredictably lose all power for 2-3 seconds. This has more than once nearly caused a fatal accident!!!!!!! The manufacturer is aware of the problem but unable or refusing to fix it. Please save lives today and recall the car.”
NHTSA complaint #11317946, filed 2020-03, 11 miles“There is a noticeable throttle lag (hesitation) when the auto start/stop feature is enabled, and the car comes out of a rolling stop (ex. When making a left turn). Disabling the auto start/stop feature or selecting sport mode negates the issue.”
NHTSA complaint #11251899, filed 2019-08, 11 miles“Critical Failure - Alternator/48v Generator Issue in Audi Q8 Prestige. By now, I am well aware that the problem I'm experiencing is in the top 25 repair issues for Audi and currently there are 15,000 cars affected in the United States according to my dealer, waiting for these parts. …”
NHTSA complaint #11498511, filed 2022-12“I was driving home from work when all of a sudden I got error messages: Electrical system malfunction! Please contact service; Start/ stop system: malfunction! Function unavailable. Please contact Service, yellow battery light and the car died. None of the safety features, locks, engine, or air condition worked and the car had to be towed to the dealership. Within 1 mile of the lights appearing the car died, putting my safety and those on the road at risk. I left in the middle of the street and had it towed a few hours later. …”
NHTSA complaint #11578605, filed 2024-03“Excessive and dangerous delay in throttle response due to auto start/stop system causing vehicle to coast when slowing down at a yield sign or intersection etc before transmission re-engages. The vehicle is powerless for several seconds despite application of gas pedal, causing oncoming traffic to potential collide with stalled Q8. This is a major design defect in the auto start/stop system and occurs every time the system is active.”
NHTSA complaint #11219427, filed 2019-06Vehicle speed control: other model years
Other parts of the 2019 Audi Q8
44 complaintsTransmission and drivetrain
43 complaintsEngine
34 complaintsFuel system
12 complaintsSteering
11 complaintsOther or unknown
9 complaintsExterior lighting
3 complaintsSuspension
3 complaintsLatches, locks and linkages
2 complaintsSeat belts
2 complaintsBody and structure
2 complaintsAir bags
1 complaints
← All problems reported for the 2019 Audi Q8
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology