Aston Martin DB9

vs

BMW M635CSi

UK vs Germany — 2003 vs 1986

Aston Martin DB9 (2003)
BMW M635CSi (1986)
Specifications
DB9M635CSi E24
Horsepower450 hp286 hp
Torque420 lb-ft251 lb-ft
Engine Size5,935 cc3,453 cc
0-60 mph4.6 sec6.1 sec
Top Speed186 mph158 mph
¼ Mile12.8 sec14.4 sec
Weight3,461 lbs
Wheelbase2,740 mm2,625 mm
Length4,710 mm4,755 mm
Units Produced5,855
Original MSRP$54,500
Value (Excellent)$90,000$95,000
Collectibility5/108/10
Rarity3/107/10
The Verdict

The 2003 Aston Martin DB9 holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1986 BMW M635CSi E24 brings stronger collectibility 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

When UK engineering meets Germany craftsmanship, the result is one of the most compelling matchups in the classic car world. The 2003 Aston Martin DB9 and 1986 BMW M635CSi E24 embody their respective national automotive traditions while competing in the same arena. The 2003 Aston Martin DB9 holds a clear advantage in raw power with 450 hp compared to 286 hp, a 164-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Aston Martin DB9 uses a V12 DOHC 48V displacing 5,935 cc, while the BMW M635CSi relies on a Inline-6 DOHC with 3,453 cc. In the sprint to 60 mph, the 2003 Aston Martin DB9 edges ahead at 4.6 seconds versus 6.1 seconds. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference. From a collectibility standpoint, the 1986 BMW M635CSi E24 rates higher among enthusiasts and auction houses.