The 1991 BMW M5 heralds from the car's second generation and is embodied in a design ethos that combines stark simplicity with thrilling performance. This sedan is powered by a potent 3.6-liter inline-six engine that delivers 315 horsepower, offering remarkable agility and acceleration for its time. As with many BMW vehicles, it features a rear-wheel-drive layout and is mated to a five-speed manual transmission, reinforcing its sporty character. Inside, the M5 accentuates a minimalist aesthetic but doesn't skimp on luxury, featuring leather upholstery and top-class comfort. Its place in BMW's M-series line places it as a performance-centric special, adding an additional edge to an already formidable executive sedan pasture. No noteworthy changes were reported for the '91 model year. However, the resulting M5 stands as a testament to BMW's ability to merge luxury with performance.