These two Audi Q5 models are two types of the same model with one major difference, the powertrain. First of all, the 2015 Audi Q5 Diesel produces fewer horsepower than the 2016 Audi Q5 Hybrid. Also, there is a notable difference in the starting price of the 2015 Q5 Diesel, which is $5,000 less than the base MSRP of the 2016 Q5 Hybrid. Among similarities are the body structure, market segment, fuel economy, ground shadow size, height, and maximum occupancy.