NSU Ro 80

vs

Mercedes-Benz 300D

Germany vs West Germany — 1975 vs 1977

NSU Ro 80 (1975)
Mercedes-Benz 300D (1977)
Specifications
Ro 80 Wankel300D W123
Horsepower115 hp88 hp
Torque119 lb-ft127 lb-ft
Engine Size995 cc2,998 cc
0-60 mph12.8 sec17.0 sec
Top Speed112 mph96 mph
¼ Mile18.5 sec20.5 sec
Weight2,668 lbs3,241 lbs
Wheelbase2,860 mm2,795 mm
Length4,780 mm4,725 mm
Units Produced37,3982,697,000
Original MSRP$20,300
Value (Excellent)$35,000$35,000
Collectibility8/106/10
Rarity8/102/10
The Verdict

The 1975 NSU Ro 80 Wankel holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1977 Mercedes-Benz 300D W123 brings better value and remains a compelling choice for enthusiasts who value Mercedes-Benz heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

Putting the 1975 NSU Ro 80 Wankel against the 1977 Mercedes-Benz 300D W123 is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus West Germany. The 1975 NSU Ro 80 Wankel holds a clear advantage in raw power with 115 hp compared to 88 hp, a 27-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the NSU Ro 80 uses a Wankel Rotary Twin-Rotor displacing 995 cc, while the Mercedes-Benz 300D relies on a Inline-5 Diesel OHC with 2,998 cc. In the sprint to 60 mph, the 1975 NSU Ro 80 Wankel edges ahead at 12.8 seconds versus 17.0 seconds. The NSU Ro 80 carries a weight advantage, tipping the scales 573 lbs lighter. Rarity plays a significant role here — with only 37,398 units built, the 1975 NSU Ro 80 Wankel is considerably scarcer than the Mercedes-Benz 300D's 2,697,000 examples. From a collectibility standpoint, the 1975 NSU Ro 80 Wankel rates higher among enthusiasts and auction houses.