John Deere M665 vs John Deere Z915E

Verdict: John Deere M665 vs John Deere Z915E

The John Deere M665 and the John Deere Z915E 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 Z915E holds more fuel (43.5 L vs 37.9 L) for longer stints between fills. John Deere Z915E 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.