Battery boost for a 2018 Audi S8
Battery boost for the 2018 Audi S8: 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
- 13.4 L/100 km
- Body
- Midsize Cars

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 2018 Audi S8 for battery boost
- Body: midsize cars (EPA size class).
2018 Audi S8: every figure
| Displacement | 4.0 L |
|---|---|
| Cylinders | 8 |
| MPG city (US) | 14 |
| MPG highway (US) | 24 |
| 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) | $4,690 |
Sources: fuel use, MPG, CO2, electric range, battery, charge time, luggage volume and the annual fuel cost are the US EPA's (fueleconomy.gov). 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 2018 Audi S8
- 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.
- No owner complaints are on file with NHTSA for this model year.
| Campaign | Date | Component | Summary |
|---|---|---|---|
| 20V397000 | 2020-07-07 | structure:body:hood | 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. |
Source: NHTSA (US) recall campaigns and owner complaints for this model year.
The 2018 Audi S8: Battery boost
Battery boost for your 2018 Audi S8: arranged with a trusted shop, never done by CarmaCars, with a rental if you need one. Lights left on overnight are the classic reason for a flat battery.
Details the shop needs
Mention the trim and engine in your request; parts differ between them. The shop sets its own price and time after it sees the car. The shop may ask for the VIN to order the right parts. Its 4.0L 8-cylinder turbo drives through an 8-speed automatic.
What we arrange
You agree everything with the shop before work begins. Send a request with the car and what it needs; a person replies within one business day and arranges it with a trusted shop or recommends one. You approve the shop's quote before any work.
No car? Rent one meanwhile
Rent by the day or the week, and stop when your car is back. We collect the rental when your car is back. Delivery and pickup are both options across the Toronto area.
A short checklist
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. If a warning light was the reason, ask what the code was and what fixed it.
Small things that help
Have the cabin air filter changed on the maker's schedule. Wash the underside of the car in winter to clear road salt. Keep a record of every service; it helps the shop and adds value when you sell.
Let us know
Start with the car, the job and your location.
Request battery boost
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.
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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.