Porsche 911

vs

BMW M4

Germany vs Germany — 2012 vs 2021

Porsche 911 (2012)
BMW M4 (2021)
Specifications
911 GT3 RS (991)M4 CSL G82
Horsepower520 hp543 hp
Torque347 lb-ft406 lb-ft
Engine Size3,996 cc2,993 cc
0-60 mph3.0 sec3.6 sec
Top Speed194 mph191 mph
¼ Mile11.0 sec11.6 sec
Weight3,583 lbs
Wheelbase2,457 mm2,857 mm
Length4,545 mm4,794 mm
Units Produced1,000
Original MSRP$140,895
Value (Excellent)$400,000$280,000
Collectibility5/108/10
Rarity6/108/10
The Verdict

This matchup is remarkably close. The 2012 Porsche 911 GT3 RS (991) offers quicker acceleration, higher top speed, while the 2021 BMW M4 CSL G82 counters with stronger collectibility, better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.

Overview

The 2012 Porsche 911 GT3 RS (991) and 2021 BMW M4 CSL G82 stand as two of the most notable Sports Car cars from Modern classic. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 2021 BMW M4 CSL G82 holds a clear advantage in raw power with 543 hp compared to 520 hp, a 23-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 911 uses a Flat-6 DOHC 24V displacing 3,996 cc, while the BMW M4 relies on a Inline-6 DOHC Twin-Turbo with 2,993 cc. In the sprint to 60 mph, the 2012 Porsche 911 GT3 RS (991) edges ahead at 3.0 seconds versus 3.6 seconds. From a collectibility standpoint, the 2021 BMW M4 CSL G82 rates higher among enthusiasts and auction houses.