Renault 421 vs Renault 421M

Verdict: Renault 421 vs Renault 421M

The Renault 421 and the Renault 421M are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 42 hp. Renault 421 is the lighter machine (2,185 kg vs 2,225 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Renault 421M holds more fuel (51.9 L vs 48.1 L) for longer stints between fills. Renault 421M is the newer design (1977 vs 1972). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.