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 — residential: typical home lawns; 9-inch deck; battery (no fuel or engine maintenance)
- Husqvarna Automower 308V — 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 is rated for 1.24 acres (5,000 m²) of lawn; Automower 308V is rated for 0.20 acres (800 m²) of lawn, a 1.04 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 ships with a 7.5 Ah battery; Automower 308V ships with a 4 Ah battery, a 3.5 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 weighs 33 lbs (15 kg); Automower 308V weighs 22 lbs (9.9 kg), a 11 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's weight means for a trailer ›
- Automower 450X NERA charges in 40 min; Automower 308V charges in 100 min, a 60 min difference. Charge time is with the supplied charger; another charger changes it.
- Automower 450X NERA runs 145 min per charge; Automower 308V runs 100 min per charge, a 45 min difference. Stated run time is under the maker's conditions. Thick or wet grass shortens it.
3 more differences
Other verified differences
- Automower 450X NERA is rated for slopes to 50%; Automower 308V is rated for slopes to 40%, a 10 points difference.
- Automower 450X NERA has a 9.4 in (240 mm) deck; Automower 308V has a 8.7 in (220 mm) deck, a 0.8 in difference.
- Automower 450X NERA is rated at 58 dB; Automower 308V is rated at 63 dB, a 5 dB 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 Husqvarna · Robotic |
Automower 308V Husqvarna · Robotic |
|---|---|---|
| List price | dealer quote | dealer quote |
| Engine | ||
| Power Source | battery | battery |
| Electrical | ||
| Battery Capacity | 7.5 Ah | 4 Ah |
| Deck | ||
| Cutting Width | 9.4 in (240 mm) | 8.7 in (220 mm) |
| Dimensions | ||
| Weight | 33 lbs (15 kg) | 22 lbs (9.9 kg) |
| Width | 21.3 in (540 mm) | 17.7 in (450 mm) |
| Length | 29.5 in (750 mm) | 23.2 in (590 mm) |
| Height | 11 in (280 mm) | 9.8 in (250 mm) |
| Robotic | ||
| Work Area | 5000 ft2 | 800 ft2 |
| Max Slope | 50 pct | 40 pct |
| Boundary | Physical wire | Virtual wire |
| Run Time | 145 min | 100 min |
| Charge Time | 40 min | 100 min |
| Noise Level | 58 db | 63 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.