Compare Mowers
List prices are the manufacturer’s published figures, re-checked daily; they exclude tax, freight and dealer setup.
A side-by-side reference of each model's stated specifications. MowerFacts doesn’t give opinions: where a published, spec-derived rule can separate machines we mark a Data Pick and show the rule; here, read the values and decide what fits your needs.
Best suited for
What each model is built for, from its duty class and key specs. This is a neutral reference — MowerFacts does not rank one model above another.
- Husqvarna Automower 450X NERA with wire free technology — residential: typical home lawns; 9-inch deck; battery (no fuel or engine maintenance)
- Husqvarna Automower 305 — residential: typical home lawns; 9-inch deck; battery (no fuel or engine maintenance)
What’s different? The 5 differences that matter most, from the published figures.
- Automower 450X NERA with wire free technology is rated for 1.85 acres (7,500 m²) of lawn; Automower 305 is rated for 0.15 acres (600 m²) of lawn, a 1.71 acres difference. The rated lawn area is the maker's figure under its own test conditions. Obstacles, slopes and complex shapes reduce it.
- Automower 450X NERA with wire free technology ships with a 7.5 Ah battery; Automower 305 ships with a 2.1 Ah battery, a 5.4 Ah difference. Amp-hours is stored energy at the pack's voltage. Run time also depends on load, so a bigger pack lasts longer under the same conditions, not a fixed time.
- Automower 450X NERA with wire free technology runs 145 min per charge; Automower 305 runs 60 min per charge, a 85 min difference. Stated run time is under the maker's conditions. Thick or wet grass shortens it.
- Automower 450X NERA with wire free technology weighs 34 lbs (15.4 kg); Automower 305 weighs 21 lbs (9.4 kg), a 13 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What Automower 450X NERA with wire free technology's weight means for a trailer ›
- Automower 450X NERA with wire free technology is rated for slopes to 50%; Automower 305 is rated for slopes to 40%, a 10 points difference. The slope rating is the maker's limit for safe operation, not a measure of performance.
2 more differences
Other verified differences
- Automower 450X NERA with wire free technology charges in 40 min; Automower 305 charges in 60 min, a 20 min difference.
- Automower 450X NERA with wire free technology has a 9.4 in (240 mm) deck; Automower 305 has a 8.7 in (220 mm) deck, a 0.8 in difference.
Verified means each manufacturer publishes the figure. A bigger number is only a bigger number; nothing here says which machine is better. The full specification table is below.
Which is faster on your property? › Measure your lawn once and MowerFacts times all 2 against it.
| Spec | Automower 450X NERA with wire free technology Husqvarna · Robotic |
Automower 305 Husqvarna · Robotic |
|---|---|---|
| List price | dealer quote | dealer quote |
| Engine | ||
| Power Source | battery | battery |
| Electrical | ||
| Battery Capacity | 7.5 Ah | 2.1 Ah |
| Deck | ||
| Cutting Width | 9.4 in (240 mm) | 8.7 in (220 mm) |
| Dimensions | ||
| Weight | 34 lbs (15.4 kg) | 21 lbs (9.4 kg) |
| Width | 21.3 in (540 mm) | 16.9 in (430 mm) |
| Length | 29.5 in (750 mm) | 22.4 in (570 mm) |
| Height | 11.8 in (300 mm) | 9.8 in (250 mm) |
| Robotic | ||
| Work Area | 7500 ft2 | 600 ft2 |
| Max Slope | 50 pct | 40 pct |
| Boundary | Virtual wire, Physical wire | Physical wire |
| Run Time | 145 min | 60 min |
| Charge Time | 40 min | 60 min |
| Noise Level | 58 db | 59 db |
| Theft Protection | Yes | No |
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.