The basic design is based on the Mahindra Armada Grand. The first-generation Bolero was equipped with a Peugeot 2. 5 L (150 in3) IDI engine which produced 76 PS (56 kW), although turbocharged versions with or without an intercooler were also available, raising power to 95 or 101 PS (70 or 74 kW) respectively. The second generation was released with slightly modified exteriors (a larger grille being the most obvious change) and the major change was the engine, a 2. 5 L (150 in3) in-house engine from Mahindra. It is powered by a 72 PS (53 kW) 2,523 cc (154. 0 cu in) turbo-charged direct injection diesel engine.