Car diagnostics for a 2004 Audi A8
Car diagnostics for the 2004 Audi A8: CarmaCars does not do this work itself. Request it and we arrange it with a trusted shop or connect you with one, and we can deliver a rental car to you while yours is in.
- Combined
- 13.1 L/100 km
- Body
- Large Cars
- Length
- 5.19 m

A rental while yours is in the shop
CarmaCars does not do this work; you keep driving while the shop has your car. We deliver a rental to you, by the day, at our usual rates.
The 2004 Audi A8 for car diagnostics
- Body: large cars (EPA size class).
- 2 bodies this year: a8 l 4dr sedan awd and a8 l w12 4dr sedan awd.
2004 Audi A8: every figure
| Displacement | 4.2 L |
|---|---|
| Cylinders | 8 |
| MPG city (US) | 16 |
| MPG highway (US) | 22 |
| MPG combined (US) | 18 |
| MPG combined (Imperial) (converted from the US figure) | 22 |
| Luggage volume (litres converted from EPA's cubic feet) | 425 L (15 cu ft) |
| Fuel cost a year (EPA) (EPA: 15,000 miles at its fuel prices) | US$4,550 |
| Fuel cost for 20,000 km (at $1.75 a litre for premium) | $4,586 |
| Dimension | A8 L 4dr Sedan Awd | A8 L W12 4dr Sedan Awd |
|---|---|---|
| Length | 5.19 m (204 in) | 5.19 m (204 in) |
| Width | 1.89 m (74 in) | 1.90 m (75 in) |
| Height | 1.46 m (57 in) | 1.46 m (57 in) |
| Wheelbase | 3.07 m (121 in) | 3.07 m (121 in) |
| Curb weight | 1,995 kg (4,398 lb) | 2,145 kg (4,729 lb) |
Sources: fuel use, MPG, CO2, electric range, battery, charge time, luggage volume and the annual fuel cost are the US EPA's (fueleconomy.gov); dimensions and curb weight are NHTSA vPIC Canadian vehicle specifications, by body. Imperial MPG, litres, inches and pounds are converted from those figures. Figures no free source publishes for this car (power, torque, acceleration, top speed, fuel tank, towing) are left out.
What to check when buying the 2004 Audi A8
- NHTSA lists 1 recall campaign for this model year. Ask the seller for proof each one was fixed; a dealer can check it by the VIN.
- Owners filed 20 complaints with NHTSA, most often about visibility (6), vehicle speed control (5) and electrical system (4). Have those parts checked before you buy.
| Campaign | Date | Component | Summary |
|---|---|---|---|
| 06V324000 | 2006-08-31 | air bags:frontal | ON CERTAIN PASSENGER VEHICLES, DURING PRODUCTION OF THE DRIVER'S FRONTAL AIR BAG, THE AIR BAG MAY NOT UNFOLD PROPERLY IN THE EVENT OF A CRASH AND THEREFORE MAY NOT INFLATE AS DESIGNED. |
Source: NHTSA (US) recall campaigns and owner complaints for this model year.
Car diagnostics: how we help
For a diagnostic check on the 2004 Audi A8, CarmaCars arranges a trusted shop and rents you a car while yours is in. A steady check engine light needs a check soon; a flashing one means pull over safely and get help.
Before the shop sees your A8
A photo of the dashboard warning light helps the shop prepare. The shop may ask for the VIN to order the right parts. Note the mileage on the odometer when you send the request. The 4.2L 8-cylinder is what moves it, with all-wheel drive.
From request to repair
The shop quotes the job; you approve it before any work. The shop sets the price and the time after seeing the car. We can deliver a rental to you while your car is at the shop.
Stay on the road
A rental from us keeps you moving while the shop has your car. If the repair runs long, keep the rental longer. Your offer shows any delivery fee before you pay.
Between shop visits
Clear snow off the whole car, roof included, before you drive. Have the battery tested before winter if it is more than a few years old. Keep an emergency kit in the trunk in winter.
Before the shop starts
Ask whether the shop needs your keys, the wheel lock key or the spare. Ask whether anything else is close to needing attention, and how soon. Ask whether the estimate includes tax and shop supplies.
Next step
A short request starts it: the car, the problem, and when suits you.
Request car diagnostics
Tell us when suits you. A person replies within one business day and arranges it with a trusted shop or recommends one; the shop sets its own price and time.
Rent a car while yours is in in Toronto
We have no car while yours is in on the site right now. Request one and we look for it for your dates, or take a similar car that is available now.
Similar cars available now
Representative photo
Checking tomorrow…
Representative photo
Checking tomorrow…
Representative photo
Checking tomorrow…
Representative photo
Checking tomorrow…
Representative photo
Checking tomorrow…
Representative photo
Checking tomorrow…
Want this exact car?
Tell us your dates and we look for a car while yours is in for you. Nothing is booked or charged.