UK vs UK — 1934 vs 1938
| Ulster | SS100 3.5 Litre Roadster | |
|---|---|---|
| Horsepower | 85 hp | 125 hp |
| Torque | 90 lb-ft | 170 lb-ft |
| Engine Size | 1,495 cc | 3,485 cc |
| 0-60 mph | — | 10.4 sec |
| Top Speed | 100 mph | 100 mph |
| Weight | 1,905 lbs | 2,632 lbs |
| Wheelbase | 2,591 mm | 2,667 mm |
| Length | 3,810 mm | 3,962 mm |
| Units Produced | 21 | 118 |
| Value (Excellent) | $5,000,000 | $750,000 |
| Collectibility | 10/10 | 10/10 |
| Rarity | 10/10 | 9/10 |
Two outstanding machines, each with compelling strengths. The 1934 Aston Martin Ulster excels in lighter weight, greater rarity, while the 1938 Jaguar SS100 3.5 Litre Roadster stands out for more power, better value. The best advice? Drive both if you can, then follow your instincts.
Among Sports Car enthusiasts, the matchup between the 1934 Aston Martin Ulster and 1938 Jaguar SS100 3.5 Litre Roadster is one for the ages. These Pre-war machines competed directly for buyers' attention and continue to vie for collectors' affections today. The 1938 Jaguar SS100 3.5 Litre Roadster 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 Aston Martin Ulster uses a Inline-4 OHC displacing 1,495 cc, while the Jaguar SS100 relies on a Inline-6 OHV with 3,485 cc. The 1938 Jaguar SS100 3.5 Litre Roadster claims a higher top speed at 100 mph compared to 100 mph. The Aston Martin Ulster carries a weight advantage, tipping the scales 727 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 118 examples. On the collector market, the 1934 Aston Martin Ulster commands a significant premium over the 1938 Jaguar SS100 3.5 Litre Roadster, reflecting differences in prestige and rarity.