IMX-40
Specifications
Hull
| LWL | 34.42 ft |
| Beam | 12.47 ft |
| Draft | 8.04 ft |
| Displacement | 15,057.6 lb |
| Ballast | 13,999.3 lb |
| Material | 31.5 |
| Hull speed1.34·√LWL | 7.9 kn |
Rig & Sails
| Iforetriangle height | 52.52 ft |
| Jforetriangle base | 14.76 ft |
| Pmainsail luff | 49.88 ft |
| Emainsail foot | 18.08 ft |
| FLforestay | 14.8 ft |
| Mainsail | 517.74 sq ft |
| Jib (100%) | 581.25 sq ft |
| Spinnaker | 1,307.81 sq ft |
Accommodation
| Cabins | 3 |
| Heads | 6 |
| Water | 50.2 L |
| Fuel | 25.1 L |
| CE category | N/A€ |
About the IMX-40
S.A.(reported) above is based on main + 112% genoa. Sail Area: -Main: 48.1 m² / 517.8 ft² -150% Genoa: 54 m² / 581.3 ft² -145% Genoa: 52.2 m² / 561.9 ft² -112% Genoa: 40.30 m² / 433.8 ft² -85% Jib: 32.1 m² / 345.5 ft² -Spinnaker: 121.5 m² / 1,307.9 ft² Later became X-40 (2004). Category A CE-directive 94/25/CE
Designed by Niels Jeppesen and built by X Yachts, the IMX-40 is a performance cruiser produced between 2000 and 2004 with a total build count of 99 hulls. This data-driven synthesis highlights that while the boat offers a robust fractional sloop rig and substantial ballast, owners frequently report structural concerns regarding the keel and deck core that require careful verification.
- Best for:
- This boat suits experienced coastal cruisers and short-handed racers who prioritize performance and are willing to manage significant maintenance on the keel and deck structure.
- Bluewater capability:
- With a displacement of 15057.6 lb and a capsize ratio of 2.02, the IMX-40 possesses the stability for offshore passages, though widespread reports of keel smile and sump cracking necessitate rigorous structural inspection before bluewater use.
- Comparables:
- Comparable boats include the X-41 and X-35 from the same builder, as well as the Beneteau First 40.7, due to similar fractional rig configurations and performance-oriented hull forms from the early 2000s.
Performance
ORC Performance Data(17 certificates)
Measured performance data from ORC (Offshore Racing Congress) certificates.
Polar Diagram
Boat speed (kn) vs. true wind angle. Source: ORC
Racing Ratings
Triple Number
ORC Measured
Sail Areas (ORC)
Speed Table (kn)
| TWA \ TWS | 6 | 8 | 10 | 12 | 14 | 16 | 20 |
|---|---|---|---|---|---|---|---|
| 52° | 5.7 | 6.8 | 7.3 | 7.6 | 7.7 | 7.7 | 7.8 |
| 60° | 6.0 | 7.0 | 7.5 | 7.8 | 7.9 | 7.9 | 8.1 |
| 75° | 6.2 | 7.2 | 7.7 | 8.0 | 8.2 | 8.3 | 8.5 |
| 90° | 6.2 | 7.2 | 7.7 | 8.1 | 8.4 | 8.7 | 9.1 |
| 110° | 6.0 | 7.3 | 7.9 | 8.3 | 8.7 | 8.9 | 9.4 |
| 120° | 5.9 | 7.1 | 7.8 | 8.3 | 8.8 | 9.3 | 9.9 |
| 135° | 5.3 | 6.5 | 7.4 | 7.9 | 8.4 | 9.0 | 10.3 |
| 150° | 4.5 | 5.6 | 6.6 | 7.4 | 7.9 | 8.4 | 9.4 |
| Beat VMG | 3.7 | 4.5 | 5.1 | 5.3 | 5.5 | 5.5 | 5.6 |
| Run VMG | 3.9 | 4.9 | 5.8 | 6.5 | 7.1 | 7.7 | 8.6 |
Pricing
We don't have market pricing data for the IMX-40 yet. If you own one, help other buyers — what did you pay for it? Reports build a community price estimate over time.
Known Issues & Pre-Purchase Inspection
15 reported issues across 7 systems for the IMX-40, compiled from owner reports in sailing forums and owner-association material.
Unlock the full inspection report
Thinking of buying a IMX-40? This is an in-depth report on the faults this model is known for — so you know exactly what to check when you walk the boat. For the price of a coffee.
- ✓ All 15 specific issues — severity, symptoms & fixes
- ✓ Model-specific pre-purchase inspection checklist
- ✓ Downloadable PDF to take to your surveyor — yours to keep
One-time $2.99 · secure checkout by Stripe · instant access · 30 days online, PDF yours to keep
Which engine powers your IMX-40?
We haven't confirmed the engine for this model yet. If you own or know one, tell us — as owners report in, we build an accurate picture over time.
Brands sometimes mentioned for this model: Yanmar — is it one of these?
Already know your engine? Search all engines → to find its exact parts.
Used sails that fit the IMX-40
Checking eBay for sails sized to this boat's rig…