John Deere M665 vs John Deere Z375R

Verdict: John Deere M665 vs John Deere Z375R

The John Deere M665 and the John Deere Z375R are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 25 hp. John Deere M665 holds more fuel (37.9 L vs 7.9 L) for longer stints between fills. John Deere Z375R is the newer design (2017 vs 2000). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.