Aston Martin DB9

vs

Cadillac XLR-V

UK vs USA — 2004 vs 2006

Aston Martin DB9 (2004)
Cadillac XLR-V (2006)
Specifications
DB9 CoupeXLR-V Supercharged Northstar
Horsepower450 hp443 hp
Torque420 lb-ft414 lb-ft
Engine Size5,935 cc4,371 cc
0-60 mph4.6 sec4.6 sec
Top Speed190 mph155 mph
¼ Mile12.9 sec13.0 sec
Weight3,770 lbs4,022 lbs
Wheelbase2,740 mm2,685 mm
Length4,710 mm4,515 mm
Units Produced16,2002,485
Original MSRP$186,395$98,290
Value (Excellent)$130,000$55,000
Collectibility6/106/10
Rarity4/108/10
The Verdict

Two outstanding machines, each with compelling strengths. The 2004 Aston Martin DB9 Coupe excels in higher top speed, lighter weight, while the 2006 Cadillac XLR-V Supercharged Northstar stands out for quicker acceleration, greater rarity, better value. The best advice? Drive both if you can, then follow your instincts.

Overview

Putting the 2004 Aston Martin DB9 Coupe against the 2006 Cadillac XLR-V Supercharged Northstar is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus USA. On paper, the two are remarkably close in power output, with the 2004 Aston Martin DB9 Coupe producing 450 hp and the 2006 Cadillac XLR-V Supercharged Northstar delivering 443 hp. Under the hood, the contrast is notable: the Aston Martin DB9 uses a V12 DOHC displacing 5,935 cc, while the Cadillac XLR-V relies on a V8 DOHC Supercharged (Northstar LC3) with 4,371 cc. In the sprint to 60 mph, the 2006 Cadillac XLR-V Supercharged Northstar edges ahead at 4.6 seconds versus 4.6 seconds. The Aston Martin DB9 carries a weight advantage, tipping the scales 252 lbs lighter. Rarity plays a significant role here — with only 2,485 units built, the 2006 Cadillac XLR-V Supercharged Northstar is considerably scarcer than the Aston Martin DB9's 16,200 examples.