When it comes to comparing the Mahindra Bolero B6 and the Mahindra Thar, it really depends on what kind of vehicle you're looking for. The Bolero B6 is great for long-distance commuting, as it offers a smooth and comfortable ride. It also has a 1.5-litre mHawk diesel engine that provides good fuel efficiency. The Thar, on the other hand, is great for off-roading and adventure. It has a 2.5-litre m2DiCR engine that provides good power and torque. Both vehicles offer great value for money and are reliable, so the choice depends on what you're looking for in a vehicle.