BMW M5

vs

Mazda Mazdaspeed 6

Germany vs Japan — 1990 vs 2005

BMW M5 (1990)
Mazda Mazdaspeed 6 (2005)
Specifications
M5 E34Mazdaspeed 6 Grand Touring
Horsepower315 hp274 hp
Torque266 lb-ft280 lb-ft
Engine Size3,535 cc2,261 cc
0-60 mph5.9 sec5.4 sec
Top Speed155 mph155 mph
¼ Mile14.1 sec14.0 sec
Weight3,770 lbs3,600 lbs
Wheelbase2,761 mm2,675 mm
Length4,720 mm4,745 mm
Units Produced12,254
Original MSRP$56,600$28,995
Value (Excellent)$85,000$20,000
Collectibility8/105/10
Rarity6/106/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1990 BMW M5 E34 excels in more power, stronger collectibility, while the 2005 Mazda Mazdaspeed 6 Grand Touring stands out for quicker acceleration, better value. The best advice? Drive both if you can, then follow your instincts.

Overview

Putting the 1990 BMW M5 E34 against the 2005 Mazda Mazdaspeed 6 Grand Touring is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus Japan. The 1990 BMW M5 E34 holds a clear advantage in raw power with 315 hp compared to 274 hp, a 41-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the BMW M5 uses a Inline-6 DOHC 24V (S38B36) displacing 3,535 cc, while the Mazda Mazdaspeed 6 relies on a Inline-4 DOHC 16-valve MZR DISI turbo with 2,261 cc. In the sprint to 60 mph, the 2005 Mazda Mazdaspeed 6 Grand Touring edges ahead at 5.4 seconds versus 5.9 seconds. On the collector market, the 1990 BMW M5 E34 commands a significant premium over the 2005 Mazda Mazdaspeed 6 Grand Touring, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1990 BMW M5 E34 rates higher among enthusiasts and auction houses.