Redefining Diesel Performance
Diesel vehicle performance enhancement specialists.
More torque, more power, improved fuel economy.
Talk to one of our diesel specialists today.
We are Ultimate Diesel Tuning
Ultimate Diesel Tuning (UDT) is an Australian aftermarket turbo-diesel mechanical performance upgrade & custom dyno tuning company. Our performance centres have three fantastic locations with in-house dynos at: Geebung in Brisbane, Arundel on the Gold Coast & Dandenong in Melbourne.
Customer Feedback
Andrew Harris06/01/26Ultimate diesel tuning where do I start, I called them up yesterday and told them im having issues with my ute and I needed it asap they fit me in straight away done a full tune and it now drives amazing with a whole heap of torque that it didn't have before also so much smoother. Just ordered a new ute so that is definitely going to them for a tune as soon as it arrives. Amazing team and great work
Rob Spary15/11/25These guys at the Arundel shop GoldCoast QLD are on top of the game , had my 2023 D-Max Blade retuned on the Dyno and it is by far the best thing you can do , I only went to Level 1 tune only 132kw and 583nm smoother gear box changes , easier on the drive and looks like my fuel burn is much less . Best ever thing an owner that tows can do .
Peter Etherton30/09/25I decided to have my 2019 Mazda BT50 tuned, after lots of will I, won't I. Spoke to Brad who convinced me it's the way to go. I had a custom tune done for towing my 2.5t van. After the tune I picked up my van and drove back home from Toowoomba to Gladstone, over some hilly country. My rpm has dropped by 700 - 800rpm and fuel economy went down by 3lt per hundred. To say I'm over the moon is an understatement. If you are thinking about having a tune done with these blokes, don't think anymore, just do it. You won't regret it. One very happy customer, Thanks UltimateTuning. 🤙 Peter E
Beau Harris30/07/25The professionalism of the guy’s at UDT is amazing!! Their work is faultless and their willingness to work in with my arrangements for dropping off and pickup was very appreciated. I would highly recommend them to anyone. The gains that I got on my brand new MU-X are outstanding. It tows completely different and with ease! Thanks so much again guy’s.
Geoff Jensen09/07/25Had a very good experience with these guys, I'd put an after market air cleaner that disrupted the mixture. They halted the tune allowed me time to remove it and rebook without extra expense. That was very much appreciated, re the tune, I wanted a bit extra for towing, it's achieved that and I believe the fuel economy is slightly improved too. So all in all I RECOMMEND these guys ☺️
Robert Blaschka (Rob)27/06/25I just have to leave a 5 Star Review on UDT Geebung. The whole experience was extremely professional, and enjoyable. These guys know their shit and the boss (Robert) even works on the workshop floor. Best money spent on gearing (tune, exhaust and coolers) my PX3 Ranger up for a lap towing my 3.5 ton off road van. Just can’t keep the smile of my dial. Bloody awesome product and service gentleman. Thanks heaps Ron
The Ultimate Choice For Your Vehicle
The power of Ultimate Diesel Tuning
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Expert Technicians
Here at Ultimate Diesel Tuning we have highly skilled and qualified technicians to perform upgrades and tuning to your vehicle.
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Tuning Tailored To your vehicle
Each vehicle is individually custom dyno tuned, tailored to your vehicle's modifications and to suit your driving style.
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professional Support
Our diesel experts will provide you with professional support before, during and after our services.
















