UK vs USA — 2003 vs 1987
| DB9 | Allante Convertible | |
|---|---|---|
| Horsepower | 450 hp | 295 hp |
| Torque | 420 lb-ft | 290 lb-ft |
| Engine Size | 5,935 cc | 4,565 cc |
| 0-60 mph | 4.6 sec | 6.4 sec |
| Top Speed | 186 mph | 150 mph |
| ¼ Mile | 12.8 sec | 14.9 sec |
| Weight | — | 3,650 lbs |
| Wheelbase | 2,740 mm | 2,525 mm |
| Length | 4,710 mm | 4,531 mm |
| Units Produced | — | 21,430 |
| Original MSRP | — | $57,183 |
| Value (Excellent) | $90,000 | $38,000 |
| Collectibility | 5/10 | 6/10 |
| Rarity | 3/10 | 6/10 |
Two outstanding machines, each with compelling strengths. The 2003 Aston Martin DB9 excels in more power, quicker acceleration, higher top speed, while the 1987 Cadillac Allante Convertible stands out for stronger collectibility, better value. The best advice? Drive both if you can, then follow your instincts.
Putting the 2003 Aston Martin DB9 against the 1987 Cadillac Allante Convertible is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus USA. The 2003 Aston Martin DB9 holds a clear advantage in raw power with 450 hp compared to 295 hp, a 155-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 Cadillac Allante relies on a V8 OHV with 4,565 cc. In the sprint to 60 mph, the 2003 Aston Martin DB9 edges ahead at 4.6 seconds versus 6.4 seconds. On the collector market, the 2003 Aston Martin DB9 commands a significant premium over the 1987 Cadillac Allante Convertible, reflecting differences in prestige and rarity.