Compared with other years
NHTSA ODI complaints by model year
Registered new in Europe in 2018
5,240 new Audi A8 cars were registered in the EU, Norway and Iceland in 2018; the largest markets were Germany (2,569), the United Kingdom (1,117), Italy (234).
- Average mass
- 2,042 kg
- Average CO₂
- 189 g/km (WLTP)
- Average power
- 219 kW
- Fuel type recorded
- Diesel 77% · Petrol 23%
European Environment Agency, CO₂ emissions from new passenger cars · averages weighted by registrations; CO₂ is the type-approval value; fuel type as recorded at registration, where many non-plug-in hybrids appear as petrol · re-use permitted with acknowledgement
Engines
The most common engines in 2018 Audi A8 cars on Dutch roads are the 3.0 hybrid (210 kW, 282 hp) and 3.0 hybrid (250 kW, 335 hp).
| Engine | Power | Cars |
|---|---|---|
| 3.0 hybrid | 210 kW 282 hp | 54 |
| 3.0 hybrid | 250 kW 335 hp | 53 |
RDW Open Data (CC0): registered passenger cars and their fuel data · engine size rounded to 0.1 litre, net maximum power · versions with at least 20 cars
In the Netherlands
122 first registered in 2018 are on Dutch roads; 43% arrived later as imports. Median list price when new: €149,310.
Most common APK defects
- Bandenspanning niet op juiste waarde56
- Band onvoldoende profiel17
- Band(en) aanwezig met een profieldiepte van 1,6 t/m 2,5 mm15
- Dimlicht onjuist afgesteld10
- Mechanische delen van het remsysteem vertonen slijtage5
- Drager/bevestigingsmiddel van remvoering raakt trommel/schij3
- Ruitenwisserinstallatie geeft onvoldoende zicht3
- Band beschadigd2
Colours
RDW Open Data: registered vehicles and APK defects (CC0) · defect descriptions in the RDW's Dutch wording
In the United Kingdom
885 cars built in 2018 were licensed for the road at the end of 2025, and 49 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
MOT test results in Great Britain
In 2023, 997 of these cars first registered in 2018 took their annual MOT test. 92% passed first time; among all cars first registered in 2018 the figure was 84%.
| Failed on | These cars | All cars from 2018 |
|---|---|---|
| Tyres | 4.1% | 5.2% |
| Visibility | 1.3% | 3.6% |
| Brakes | 0.9% | 2.9% |
| Lamps, reflectors and electrical equipment | 0.8% | 4.0% |
| Identification of the vehicle | 0.5% | 0.2% |
| Noise, emissions and leaks | 0.4% | 1.0% |
DVSA anonymised MOT tests and results, 2023 (Department for Transport) · Open Government Licence v3.0 · first tests only; a fix made at the test station within the hour still counts as a fail
In Finland
18 of these cars first registered in 2018 were in use in Finland on 30 Jun 2026, with an average of 117,000 km on the odometer at their last inspection.
Traficom (Finnish Transport and Communications Agency), open data on vehicles in use · CC BY 4.0
In New Zealand
18 2018 cars are on the New Zealand register; 67% arrived as used imports, 33% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Fuel consumption
Official Canadian test results for 2 variants: combined 10.5–12.4 L/100 km (about 19–22 mpg US), CO₂ 247–290 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| A8 · Full-size · Premium gasoline | 12.6 | 8.0 | 10.5 |
| A8 · Full-size · Premium gasoline | 15.1 | 9.1 | 12.4 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
1 Transport Canada recall for the 2018 Audi A8.
| 2020308 7 Jul 2020 | Structure Issue: On certain vehicles, the engine compartment seal may become loose over time and fall into the engine compartment. If this happens, the seal could conta… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
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.
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.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Audi told its dealers about the 2018 Audi A8: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11011303 | This bulletin provides information when the anti-theft alarm activates for no reason, or when the anti-theft alarm does not activate. |
| 11011296 | This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content. |
| 11011285 | This TSB Provides information when parking assistance provides false warnings. |
| 11011282 | This bulletin provides information when speaker rattles, vibrations, or audio interference is noted. |
| 11011263 | This bulletin provides information regarding cleaning exterior glass. |
| 11011240 | This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool |
| 11009983 | Vehicle Concerns Before Recall Repair Available |
| 11009941 | This bulletin provides diagnostic information regarding the locking system. |
| 11009928 | This bulletin provides informatin when the engine does not run smoothly at idling speeds. |
| 11009375 | This bulletin provides information pertaining to the GFF test plan required for A/C compressore replacements, regardless of the concern. |
| 11009372 | This bulletin provides informaiton when the exterior black optic trim is discolored. |
| 11009362 | This bulletin provides information when there is a prompt to take over steering; hands off detection. |
| 11009361 | This bulletin provides information regarding steering wheel visual damage. |
| 11009356 | This bulletin provides informaion regarding zirconium inserts in the bake piston for vehicle equipped with ceramic brakes. |
| 11009354 | This bulletin provides information on frequency analysis. |
| 11009351 | This bulletin provides information regarding the general approach to brakes rubbing. |
| 11009348 | This bulleitn provides information when there is an implausible signal in the ABS/ESC speed sensor. |
| 11009347 | This bulletin provides information when there are vibrations and rotational steering wheel vibrations. |
| 11009327 | This bulletin provides information when ther is an Engine: start/stop system fault shown and start/stop system not is working; mileage below 50 km/32 miles. |
| 11009313 | This bulletin provides guidance in order to provid informaiton regarding preparatoin when calling the Audi Technical Assistnce Center (TAC). |
| 11009312 | This bulletin provides informationw hen there are car was brush bristles trapped in the seam between the headlight and fender. |
| 11007354 | This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content. |
| 11007345 | This bulletin proves information when the bluetooth does not work, adaption channel deactivated. |
| 11007315 | This bulletin provides information vibrations and rotational steering wheel vibrations. |
| 11007314 | This bulletin provides information when there is a wheel/tire imbalance. |
NHTSA manufacturer communications (public domain)