BMW M1

vs

BMW Isetta 300

Germany vs Germany — 1978 vs 1955

BMW M1 (1978)
BMW Isetta 300 (1955)
Specifications
M1 MotorsportIsetta 300
Horsepower277 hp13 hp
Torque243 lb-ft13 lb-ft
Engine Size3,453 cc298 cc
0-60 mph5.6 sec60.0 sec
Top Speed163 mph53 mph
¼ Mile13.8 sec40.0 sec
Weight2,866 lbs
Wheelbase2,560 mm1,500 mm
Length4,360 mm2,285 mm
Units Produced453161,728
Original MSRP$115,000
Value (Excellent)$1,500,000$80,000
Collectibility10/105/10
Rarity9/107/10
The Verdict

On balance, the 1978 BMW M1 Motorsport makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1955 BMW Isetta 300 counters with better value, and its appeal extends beyond mere numbers. Choose the 1978 BMW M1 Motorsport for outright capability, or the 1955 BMW Isetta 300 for a more distinctive ownership experience.

Overview

BMW has long offered a diverse lineup, and comparing the 1978 BMW M1 Motorsport with the 1955 BMW Isetta 300 highlights the breadth of the marque's engineering philosophy. The 1978 BMW M1 Motorsport holds a clear advantage in raw power with 277 hp compared to 13 hp, a 264-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the BMW M1 uses a Inline-6 DOHC 24V (M88) displacing 3,453 cc, while the BMW Isetta 300 relies on a Single-Cylinder 4-Stroke with 298 cc. In the sprint to 60 mph, the 1978 BMW M1 Motorsport edges ahead at 5.6 seconds versus 60.0 seconds. Rarity plays a significant role here — with only 453 units built, the 1978 BMW M1 Motorsport is considerably scarcer than the BMW Isetta 300's 161,728 examples. On the collector market, the 1978 BMW M1 Motorsport commands a significant premium over the 1955 BMW Isetta 300, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1978 BMW M1 Motorsport rates higher among enthusiasts and auction houses.