Jaguar SS100

vs

Aston Martin Ulster

UK vs UK — 1936 vs 1934

Jaguar SS100 (1936)
Aston Martin Ulster (1934)
Specifications
SS100 3.5 LitreUlster
Horsepower125 hp85 hp
Torque175 lb-ft90 lb-ft
Engine Size3,485 cc1,495 cc
0-60 mph10.4 sec
Top Speed100 mph100 mph
Weight2,464 lbs1,905 lbs
Wheelbase2,692 mm2,591 mm
Length3,962 mm3,810 mm
Units Produced31421
Value (Excellent)$800,000$5,000,000
Collectibility10/1010/10
Rarity9/1010/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1936 Jaguar SS100 3.5 Litre excels in more power, better value, while the 1934 Aston Martin Ulster stands out for lighter weight, greater rarity. The best advice? Drive both if you can, then follow your instincts.

Overview

Among Sports Car enthusiasts, the matchup between the 1936 Jaguar SS100 3.5 Litre and 1934 Aston Martin Ulster is one for the ages. These Pre-war machines competed directly for buyers' attention and continue to vie for collectors' affections today. The 1936 Jaguar SS100 3.5 Litre holds a clear advantage in raw power with 125 hp compared to 85 hp, a 40-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Jaguar SS100 uses a Inline-6 OHV displacing 3,485 cc, while the Aston Martin Ulster relies on a Inline-4 OHC with 1,495 cc. The 1934 Aston Martin Ulster claims a higher top speed at 100 mph compared to 100 mph. The Aston Martin Ulster carries a weight advantage, tipping the scales 559 lbs lighter. Rarity plays a significant role here — with only 21 units built, the 1934 Aston Martin Ulster is considerably scarcer than the Jaguar SS100's 314 examples. On the collector market, the 1934 Aston Martin Ulster commands a significant premium over the 1936 Jaguar SS100 3.5 Litre, reflecting differences in prestige and rarity.