Make your car last longer with friendly
local mechanics you can rely on

Our Guarantee

We promise to provide you with the best in customer care, honest advice and quality and expert service and repairs for all your car, boat and trailer needs. Safety, security and satisfaction is our guarantee.

(02) 9570 8550

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We Are

O’Donnells Auto is a local family run business, operating for over 40 years. Based in Penshurst, Sydney we service the St George Area of Sydney, NSW proudly repairing and servicing cars, boats and trailers since 1970.

Conveniently located right near Penshurst Train Station. Simply drop your car off in the morning, catch the train to work and pick it up on your way back.

All our mechanics are fully qualified and highly experienced, making sure your time on the road and the water is an enjoyable and safe experience and your vehicle lasts the distance.

Proud Members of MTA

The Motor Traders Association is a not for profit organisation who ensure you have access to mechanics are trusted and licensed and backed by the MTA.

O’Donnells Auto regularly attend ongoing training through the MTA and receive up to date industry standards and innovations to provide you with the very best service and quality workmanship.

Our Services

We specialise in repairs and servicing of cars, boats / outboard motors and trailers including auto electrician services, batteries, starter motor, alternators, mechanic, mechanical repairs, tyres, vehicle servicing, car servicing, registration inspections, pink slips, blue slips, green slips, boat repairs, outboard repairs, trailer repairs.

O'Donnells Auto

General Repairs and Service

We are authorised specialists in maintaining and repairing nearly every make and model of vehicle. Using state of the art equipment and quality products, you’ll be assured of a professional, courteous and affordable service.

Services include suspension and ABS (antilock braking system), batteries, timing belts, computer diagnostics, electronic tune ups, fuel injection service, LPG repairs & service.

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We are fully authorised to carry out all types of car and boat vehicle inspections for registration in NSW. Including green, pink e-safety and blue slips. Thinking of buying a new car? Make sure it is worth it and book in for a full mechanical inspection report on your next car purchase.


We stock a large number of car batteries. All come with a two-year warranty.


We follow the vehicle manufacturers recommendations and use only R134a as the replacement refrigerant for the older R12 refrigerant. All new cars are R134a worldwide.


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Book A Car Service

Book your next car service online. Simply click on the button below and fill out your details and tell us what date you would like to book it in.

Based in Penshurst, Sydney, we are dedicated to servicing our valued customers in the St George area and Sutherland Shire and our customers that travel for our trusted skills and exceptional service.

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Peak Performance

Experience the long term benefits of regular maintenance of your cars and boats. At O’Donnells Auto, we help you stay on top of regular maintenance of your vehicle with auto reminders and regular checkups.

Ensuring you cut down on fuel costs and experience fuel efficiencies, stay safe always, improve the resale value of your car and keep long term repair and services cost down. 

Contact Us

O’Donnells | Auto Electrical Services

399 Forest Rd Penshurst
Near Penshurst Station

P: 9570 8550
F: 9580 4795

Trading Hours
Monday – Friday: 7am-7pm
Saturday: 7am-1pm (winter – 10am-2pm)
Call us any time

Preferred date