Jaguar SS100

vs

Mercedes-Benz SSK

UK vs Germany — 1938 vs 1928

Jaguar SS100 (1938)
Mercedes-Benz SSK (1928)
Specifications
SS100 3.5 Litre RoadsterSSK Count Trossi Special
Horsepower125 hp300 hp
Torque170 lb-ft
Engine Size3,485 cc7,065 cc
0-60 mph10.4 sec
Top Speed100 mph146 mph
Weight2,632 lbs3,748 lbs
Wheelbase2,667 mm2,950 mm
Length3,962 mm4,250 mm
Units Produced11833
Value (Excellent)$750,000$30,000,000
Collectibility10/1010/10
Rarity9/1010/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1938 Jaguar SS100 3.5 Litre Roadster excels in lighter weight, better value, while the 1928 Mercedes-Benz SSK Count Trossi Special stands out for more power, higher top speed, greater rarity. The best advice? Drive both if you can, then follow your instincts.

Overview

Putting the 1938 Jaguar SS100 3.5 Litre Roadster against the 1928 Mercedes-Benz SSK Count Trossi Special is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus Germany. The 1928 Mercedes-Benz SSK Count Trossi Special holds a clear advantage in raw power with 300 hp compared to 125 hp, a 175-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 Mercedes-Benz SSK relies on a Inline-6 SOHC Supercharged with 7,065 cc. The 1928 Mercedes-Benz SSK Count Trossi Special claims a higher top speed at 146 mph compared to 100 mph. The Jaguar SS100 carries a weight advantage, tipping the scales 1116 lbs lighter. Rarity plays a significant role here — with only 33 units built, the 1928 Mercedes-Benz SSK Count Trossi Special is considerably scarcer than the Jaguar SS100's 118 examples. On the collector market, the 1928 Mercedes-Benz SSK Count Trossi Special commands a significant premium over the 1938 Jaguar SS100 3.5 Litre Roadster, reflecting differences in prestige and rarity.