Porsche 911 Turbo S

vs

BMW M Roadster

Germany vs Germany — 1997 vs 1998

Porsche 911 Turbo S (1997)
BMW M Roadster (1998)
Specifications
911 Turbo S 993M Roadster S54
Horsepower450 hp315 hp
Torque431 lb-ft258 lb-ft
Engine Size3,600 cc3,246 cc
0-60 mph3.6 sec4.9 sec
Top Speed186 mph155 mph
¼ Mile12.0 sec13.4 sec
Weight3,307 lbs3,086 lbs
Wheelbase2,272 mm2,446 mm
Length4,245 mm4,025 mm
Units Produced3456,291
Original MSRP$150,000$42,370
Value (Excellent)$900,000$65,000
Collectibility10/107/10
Rarity9/106/10
The Verdict

The 1997 Porsche 911 Turbo S 993 holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1998 BMW M Roadster S54 brings lighter weight, better value and remains a compelling choice for enthusiasts who value BMW heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

Among Sports Car enthusiasts, the matchup between the 1997 Porsche 911 Turbo S 993 and 1998 BMW M Roadster S54 is one for the ages. These Modern classic machines competed directly for buyers' attention and continue to vie for collectors' affections today. The 1997 Porsche 911 Turbo S 993 holds a clear advantage in raw power with 450 hp compared to 315 hp, a 135-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 911 Turbo S uses a Flat-6 SOHC Twin-Turbo displacing 3,600 cc, while the BMW M Roadster relies on a Inline-6 DOHC 24V with 3,246 cc. In the sprint to 60 mph, the 1997 Porsche 911 Turbo S 993 edges ahead at 3.6 seconds versus 4.9 seconds. The BMW M Roadster carries a weight advantage, tipping the scales 221 lbs lighter. Rarity plays a significant role here — with only 345 units built, the 1997 Porsche 911 Turbo S 993 is considerably scarcer than the BMW M Roadster's 6,291 examples. On the collector market, the 1997 Porsche 911 Turbo S 993 commands a significant premium over the 1998 BMW M Roadster S54, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1997 Porsche 911 Turbo S 993 rates higher among enthusiasts and auction houses.