F1: Top 10 unraced Formula 1 cars

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Formula 1's history is filled with weird and curious cars that never officially took the start of a Grand Prix. Some of those cars were too innovative, others too complex for their time, while others still were just the accumulation of not-so-brilliant ideas.

Here’s Auto123.com Top 10 of Formula 1 cars that never officially raced. Note that the cars are listed chronologically.

1954 Alfa Romeo 160: Revolutionary cigar-shaped machine intended for new 2.5-litre F1. Flat-twelve engine would power all four wheels, with driver sitting behind the rear differential.