Aston Martin V8 Vantage

vs

Cadillac Allante

UK vs USA — 1986 vs 1987

Aston Martin V8 Vantage (1986)
Cadillac Allante (1987)
Specifications
V8 Vantage X-PackAllante Convertible
Horsepower432 hp295 hp
Torque290 lb-ft
Engine Size5,340 cc4,565 cc
0-60 mph6.4 sec
Top Speed150 mph
¼ Mile14.9 sec
Weight3,650 lbs
Wheelbase2,610 mm2,525 mm
Length4,610 mm4,531 mm
Units Produced21,430
Original MSRP$57,183
Value (Excellent)$750,000$38,000
Collectibility5/106/10
Rarity10/106/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1986 Aston Martin V8 Vantage X-Pack excels in more power, 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.

Overview

Putting the 1986 Aston Martin V8 Vantage X-Pack 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 1986 Aston Martin V8 Vantage X-Pack holds a clear advantage in raw power with 432 hp compared to 295 hp, a 137-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Aston Martin V8 Vantage uses a V8 displacing 5,340 cc, while the Cadillac Allante relies on a V8 OHV with 4,565 cc. On the collector market, the 1986 Aston Martin V8 Vantage X-Pack commands a significant premium over the 1987 Cadillac Allante Convertible, reflecting differences in prestige and rarity.