Mercedes-Benz SSK

vs

Alfa Romeo RL

Germany vs Italy — 1928 vs 1922

Mercedes-Benz SSK (1928)
Alfa Romeo RL (1922)
Specifications
SSK Supercharged Sport KurzRL Super Sport
Horsepower300 hp83 hp
Engine Size7,065 cc2,994 cc
Top Speed119 mph81 mph
Weight3,748 lbs2,646 lbs
Wheelbase2,950 mm3,050 mm
Length4,370 mm
Units Produced33392
Value (Excellent)$15,000,000$2,000,000
Collectibility10/109/10
Rarity10/109/10
The Verdict

The 1928 Mercedes-Benz SSK Supercharged Sport Kurz holds an edge across most measurable criteria, offering more power, higher top speed, greater rarity. That said, the 1922 Alfa Romeo RL Super Sport brings lighter weight, better value and remains a compelling choice for enthusiasts who value Alfa Romeo heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

When Germany engineering meets Italy craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1928 Mercedes-Benz SSK Supercharged Sport Kurz and 1922 Alfa Romeo RL Super Sport embody their respective national automotive traditions while competing in the same arena. The 1928 Mercedes-Benz SSK Supercharged Sport Kurz holds a clear advantage in raw power with 300 hp compared to 83 hp, a 217-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercedes-Benz SSK uses a Inline-6 SOHC Supercharged displacing 7,065 cc, while the Alfa Romeo RL relies on a Inline-6 OHV with 2,994 cc. The 1928 Mercedes-Benz SSK Supercharged Sport Kurz claims a higher top speed at 119 mph compared to 81 mph. The Alfa Romeo RL carries a weight advantage, tipping the scales 1102 lbs lighter. Rarity plays a significant role here — with only 33 units built, the 1928 Mercedes-Benz SSK Supercharged Sport Kurz is considerably scarcer than the Alfa Romeo RL's 392 examples. On the collector market, the 1928 Mercedes-Benz SSK Supercharged Sport Kurz commands a significant premium over the 1922 Alfa Romeo RL Super Sport, reflecting differences in prestige and rarity.