Main Differences and Relationship between Isuzu and Toyota
Both Isuzu and Toyota are well-known Japan based automakers, which have been serving the auto industry by producing many high-performing trucks, cars, SUVs etc since their existence. Founded in 1916, Isuzu is older than Toyota, which was established in 1937.

Isuzu has been famous for producing heavy trucks, commercial vehicles, and SUVs, and there are hardly few cars produced under this brand. Conversely, Toyota is a multinational carmaker, which is known for producing all types of cars including sedans, wagons, SUVs, sports cars etc. It has been considered as the world’s biggest auto manufacturer by production.

Let’s discuss about all the recent activities, and newly launched models of both these brands in the below presented Isuzu Vs Toyota comparative analysis.
Relationship between these Automakers

Both Isuzu and Toyota had collaborated with each other on a small diesel engine in 2007, and that joint venture also included a clean diesel exhaust technology. The contract was actually signed between Toyota, Hino Motors, and Isuzu.
Toyota automaker had invested nearly $373-million to strengthen its diesel range in joint collaboration with Isuzu, and it also bought 5.9-percent stake of Isuzu during that period.
New 2012 Models Comparison
For 2012 model year, Toyota has come out with many new models in all categories including sedans, coupes, SUVs, vans, and wagons. On the other hand, Isuzu has come out with 2-new commercial vehicles including 2012-NPR, 2012 Reach, and a heavy duty pickup truck in the form of 2012 D-Max.
Isuzu D-Max Vs Toyota Hilux

Both D-Max and Hilux are well-known heavy duty pickup trucks in the present market. When it comes to towing capacity, the new D-Max is more powerful than the new Hilux. D-Max has the potential to tow a maximum of 3000kg, while Hilux has the capability to haul a maximum of just around 2250kg.
Hilux has been offered in both petrol and diesel engine models, while D-Max has been made available with a standard 3-liter 4-cylinder diesel engine that is good for 120kW and 320Nm of torque.
Bottom Line
If you are looking forward to buy commercial vehicles, or heavy pickup trucks for business purpose, Isuzu is the best option. Conversely, if you are searching for a family luxury sedan, coupe or any other conventional cars, then Toyota motors is the best way to go.