Mercedes-Benz SSK

vs

Alfa Romeo RL

Germany vs Italy — 1928 vs 1922

Mercedes-Benz SSK (1928)
Alfa Romeo RL (1922)
Specifications
SSKRL Super Sport
Horsepower300 hp83 hp
Engine Size7,065 cc2,994 cc
Top Speed120 mph81 mph
Weight3,748 lbs2,646 lbs
Wheelbase2,950 mm3,050 mm
Length4,250 mm
Units Produced33392
Value (Excellent)$15,000,000$2,000,000
Collectibility10/109/10
Rarity10/109/10
The Verdict

On balance, the 1928 Mercedes-Benz SSK makes a stronger case on paper with more power, higher top speed, greater rarity. However, the 1922 Alfa Romeo RL Super Sport counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1928 Mercedes-Benz SSK for outright capability, or the 1922 Alfa Romeo RL Super Sport for a more distinctive ownership experience.

Overview

The rivalry between Germany and Italy automotive industries has produced legendary matchups, and the 1928 Mercedes-Benz SSK versus 1922 Alfa Romeo RL Super Sport is among the most fascinating. These two cars represent the best of their national engineering schools. The 1928 Mercedes-Benz SSK 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 claims a higher top speed at 120 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 is considerably scarcer than the Alfa Romeo RL's 392 examples. On the collector market, the 1928 Mercedes-Benz SSK commands a significant premium over the 1922 Alfa Romeo RL Super Sport, reflecting differences in prestige and rarity.