The Airbus A320neo and the Boeing 737 MAX are the two fiercest rivals in the aviation industry, as these two relatively similar aircraft have continued the fight between the A320 and the 737 that started nearly 40 years ago. WhileAirbus is winning the battle currently (having recently overtaken the older 737 in total delivery numbers), the 737 MAX continues to be a ferocious competitor, particularly with the 737 MAX 8 variant.