Battery boost for a 2018 Audi A3
Battery boost for the 2018 Audi A3: 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
- 6.5 to 9.1 L/100 km
- Body
- Subcompact 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 A3 for battery boost
- Body: subcompact cars (EPA size class).
2018 Audi A3: every figure
| Figure | Powertrain 1 | Powertrain 2 | Powertrain 3 |
|---|---|---|---|
| Displacement | 1.4 L | 2.0 L | 2.0 L |
| Cylinders | 4 | 4 | 4 |
| MPG city (US) | 34 | 26 | 23 |
| MPG highway (US) | 39 | 34 | 31 |
| MPG combined (US) | 36 | 29 | 26 |
| MPG combined (Imperial) (converted from the US figure) | 43 | 35 | 31 |
| Charge at 240 V | 2.5 hours | ||
| Luggage volume (litres converted from EPA's cubic feet) | 396 L (14 cu ft) | 340 L (12 cu ft) | 283 L (10 cu ft) |
| Fuel cost a year (EPA) (EPA: 15,000 miles at its fuel prices) | US$2,300 | US$2,350 | US$2,600 |
| Fuel cost for 20,000 km (at $1.55 a litre) | $2,016 | $2,542 | $2,822 |
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 A3
- NHTSA lists 7 recall campaigns for this model year. Ask the seller for proof each one was fixed; a dealer can check it by the VIN.
- Owners filed 45 complaints with NHTSA, most often about air bags (24), electrical system (5) and fuel/propulsion system (5). Have those parts checked before you buy.
| Campaign | Date | Component | Summary |
|---|---|---|---|
| 24V110000 | 2024-02-14 | fuel system, gasoline | Volkswagen Group of America, Inc. (Volkswagen) is recalling certain front-wheel drive 2015-2020 Audi A3 Sedan, 2015-2019 Audi A3 Cabriolet, 2019-2020 Volkswagen Jetta GLI, 2018 Golf Sportwagen GP, 2018-2019 Golf Sportwagen A7, 2015-2017 Golf Sportwagen, 2015-2020 Golf GTI, and 2015-2020 Golf A7 vehicles. Due to a... |
| 21V198000 | 2021-03-22 | air bags:sensor:occupant classification:front passenger | Volkswagen Group of America, Inc. (Audi) is recalling certain 2015-2020 Audi S3 Sedan, A3 Sedan, 2016-2018 A3 Etron, 2017-2020 RS3 Sedan, and 2015-2019 A3 Cabriolet vehicles. The passenger occupant detection system (PODS) may malfunction and switch off the passenger air bag even when the seat is occupied. |
| 19V474000 | 2019-06-19 | air bags:sensor:occupant classification | Volkswagen Group of America, Inc. (Audi) is recalling certain 2015-2016 Audi S3 Sedan, 2015-2019 A3 Sedan and A3 Cabriolet, 2016-2018 A3 e-tron, and 2017-2019 RS3 vehicles. An improper electrical contact may cause the Passenger Occupant Detection System (PODS) to falsely detect a malfunction and deactivate the... |
| 19V095000 | 2019-02-13 | seats:mid/rear assembly | Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Audi A3 sedan and RS3 vehicles. The latching pins for the center rear seat head restraint may be missing. |
| 18V863000 | 2018-12-05 | fuel system, gasoline:delivery:hoses, lines/piping, and fittings | Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Audi TT Roadster, TT Coupe, A3 Sedan and A3 Cabriolet vehicles. The fuel hose quick connector may detach from the fuel supply line in the engine bay, resulting in a fuel leak. |
| 18V803000 | 2018-11-14 | seats:mid/rear assembly | Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Volkswagen e-Golf and Golf R vehicles, and Audi A3 Sedan and RS3 vehicles. The rear seat frame head restraint guide sleeves may be incorrectly welded to the seat frame. |
| 17V508000 | 2017-08-16 | engine and engine cooling:engine | Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2017-2018 Audi A3 Cabriolet and A3 Sedan vehicles. The Engine Control Unit (ECU) software may misinterpret the flywheel rotation on engine start-up as a "knocking" condition, and the adjusted air/fuel mixture may result in an engine stall. |
Source: NHTSA (US) recall campaigns and owner complaints for this model year.
Battery boost for the 2018 Audi A3
Battery boost for your 2018 Audi A3: arranged with a trusted shop, never done by CarmaCars, with a rental if you need one. A slow crank on a cold morning is often the first sign of a tired battery.
Details the shop needs
The shop sets its own price and time after it sees the car. Note the mileage on the odometer when you send the request. The shop may ask for the VIN to order the right parts. The 1.4L 4-cylinder turbo hybrid, paired with a 6-speed automatic, drives it.
What to send us
We can deliver a rental to you while your car is at the shop. We tell you plainly if we do not know a shop for the job. We pass your request to a trusted shop or give you its name.
A rental while you wait
Rent for as long as the job takes, by the day or the week. Keep moving with a rental while the shop has your car, by the day at our usual rates. We bring the car to your address in the Toronto area, or you collect it for free.
Getting a clear quote
If the car must stay overnight, ask where it will be kept. Ask whether the shop needs your keys, the wheel lock key or the spare. Keep the invoice; it is part of the car's service history.
Small things that help
Do not ignore a warning light; an early check often costs less than a late repair. If the car pulls to one side, ask the shop to check the alignment and the tires. Keep the spare, the jack and the wheel lock key where you can find them.
Questions first?
Send a request with the car and what it needs, and a person replies within one business day.
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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Tell us your dates and we look for a car while yours is in for you. Nothing is booked or charged.