Auburn 851

vs

Aston Martin Ulster

USA vs UK — 1935 vs 1934

Auburn 851 (1935)
Aston Martin Ulster (1934)
Specifications
851 Speedster SuperchargedUlster
Horsepower150 hp85 hp
Torque230 lb-ft90 lb-ft
Engine Size4,587 cc1,495 cc
0-60 mph15.5 sec
Top Speed104 mph100 mph
¼ Mile0.0 sec
Weight1,905 lbs
Wheelbase3,251 mm2,591 mm
Length5,207 mm3,810 mm
Units Produced21
Value (Excellent)$500,000$5,000,000
Collectibility5/1010/10
Rarity9/1010/10
The Verdict

The 1935 Auburn 851 Speedster Supercharged holds an edge across most measurable criteria, offering more power, higher top speed, better value. That said, the 1934 Aston Martin Ulster brings stronger collectibility and remains a compelling choice for enthusiasts who value Aston Martin heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

When USA engineering meets UK craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1935 Auburn 851 Speedster Supercharged and 1934 Aston Martin Ulster embody their respective national automotive traditions while competing in the same arena. The 1935 Auburn 851 Speedster Supercharged holds a clear advantage in raw power with 150 hp compared to 85 hp, a 65-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Auburn 851 uses a Inline-8 L-head Supercharged displacing 4,587 cc, while the Aston Martin Ulster relies on a Inline-4 OHC with 1,495 cc. The 1935 Auburn 851 Speedster Supercharged claims a higher top speed at 104 mph compared to 100 mph. On the collector market, the 1934 Aston Martin Ulster commands a significant premium over the 1935 Auburn 851 Speedster Supercharged, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1934 Aston Martin Ulster rates higher among enthusiasts and auction houses.