The Isuzu D-Max came with a strong diesel engine. Most models used a 2.5-litre four-cylinder diesel motor. This engine produced around 134 hp and 320 Nm of torque. It was known for being reliable and tough. Later, the company added a smaller 1.9-litre diesel engine. This newer motor made about 164 hp and 360 Nm of torque. The car used a 5-speed or 6-speed manual gearbox. Some versions also had a 6-speed automatic transmission. This model offered both two-wheel drive and four-wheel drive options. The four-wheel drive system was helpful for driving on bad roads or sand. Owners liked the car because the engine lasted a long time without big problems. It was a simple machine built for heavy work. This model did not use an electric motor or battery setup. It ran only on diesel fuel.

The Isuzu D-Max has a very simple and useful cabin. The design focuses more on work than style. Inside, the Isuzu D-Max uses hard plastics that last a long time. The dashboard has a basic layout with clear buttons and dials. You get 5 seats in the double cab version with enough legroom for all passengers. The seats are usually covered in fabric and offer good support for long drives. This model comes with basic features like power windows, manual air conditioning, and a digital clock. Higher versions have a small screen for music and controls. The cabin stays quiet enough while driving on city roads. Storage spaces like door pockets and a glove box help you keep small items. It feels very sturdy and easy to clean. Overall, the interior is built to handle rough daily use without any problems.

The Isuzu D-Max has a large and long body shape typical of a pickup truck. This model measures about 5295 mm in length and has a wide body of 1860 mm. The car looks like a strong utility vehicle with a big cargo deck at the back. At the front, it has large headlights and a wide grille that gives it a bold look. The Isuzu D-Max sits high off the ground with a ground clearance of about 225 mm. It features 16-inch or 18-inch wheels depending on the variant you choose. The side view shows large wheel arches and side steps to help passengers get inside easily. For the back, the car uses simple vertical tail lights and a heavy tailgate for the loading area. The design is very practical and built for carrying heavy loads on different roads.

The Isuzu D-Max had very few direct competitors in India because the pickup truck market was small. Its main rivals for personal use were the Tata Xenon and the Mahindra Scorpio Getaway. Both these models offered similar seating and a cargo bed at the back. For commercial work, the car competed with the Mahindra Bolero Pickup and the Tata Yodha. Many buyers also compared this model to popular SUVs like the Mahindra Scorpio and the Tata Safari due to its price and size. At that time, global rivals like the Toyota Hilux were not available in the Indian market. This made the car a unique choice for people who wanted a large vehicle for off-road driving or carrying heavy goods. It stayed as a top choice for buyers looking for a strong and reliable utility vehicle.