{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "2wd-vs-4wd",
 "name": "2WD vs 4WD (RC)",
 "kind": "standard",
 "category": "Car design",
 "group": "Suspension geometry",
 "year": null,
 "question": "Is 2WD or 4WD better for an RC car?",
 "tags": [
  "vehicle design",
  "suspension geometry",
  "rc design",
  "aerodynamics",
  "guide"
 ],
 "aliases": [
  "2wd vs 4wd",
  "4wd rc",
  "2wd rc",
  "rc drivetrain",
  "4x4 vs 2wd short course",
  "awd rc car",
  "rwd rc buggy",
  "which rc drivetrain",
  "4wd buggy"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/2wd-vs-4wd/",
 "sheet_txt": "https://xemstudio.com/objects/2wd-vs-4wd/sheet.txt",
 "sheet": {
  "basis": "Design rules and figures from the cited sources; example geometry by Xem Studio",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "4WD puts power through all four tyres for steadier cornering, braking and jump control on loose dirt, while 2WD is lighter and simpler but slides its rear on slick surfaces (EuroRC).",
   "In EuroRC's short-course comparison the 4WD truck weighed about 6.5 lb vs 5 lb and ran 10-15 vs 15-20 minutes on the same pack.",
   "EFRA applies the same 1/10 off-road dimension limits to both.",
   "Used on: Traxxas Slash 2WD and 4x4 (EuroRC comparison)."
  ],
  "table": {
   "columns": [
    "parameter",
    "value or range",
    "source"
   ],
   "rows": [
    [
     "Weight (short course example)",
     "2WD ~5 lb; 4WD ~6.5 lb",
     "EuroRC"
    ],
    [
     "Runtime, same battery",
     "2WD 15-20 min; 4WD 10-15 min",
     "EuroRC"
    ],
    [
     "1/10 off-road limits",
     "same for 2WD and 4WD (460 x 250 mm)",
     "EFRA"
    ]
   ]
  }
 },
 "sheet_text": "2WD vs 4WD (RC) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/2wd-vs-4wd/  (sheet CC BY 4.0)\nBasis: Design rules and figures from the cited sources; example geometry by Xem Studio\nCatalog version: 2026-10-20\n\nSizes: see table below\n- 4WD puts power through all four tyres for steadier cornering, braking and jump control on loose dirt, while 2WD is lighter and simpler but slides its rear on slick surfaces (EuroRC).\n- In EuroRC's short-course comparison the 4WD truck weighed about 6.5 lb vs 5 lb and ran 10-15 vs 15-20 minutes on the same pack.\n- EFRA applies the same 1/10 off-road dimension limits to both.\n- Used on: Traxxas Slash 2WD and 4x4 (EuroRC comparison).\n\nparameter  value or range  source\nWeight (short course example)  2WD ~5 lb; 4WD ~6.5 lb  EuroRC\nRuntime, same battery  2WD 15-20 min; 4WD 10-15 min  EuroRC\n1/10 off-road limits  same for 2WD and 4WD (460 x 250 mm)  EFRA\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- EuroRC: Traxxas Slash 2WD vs 4WD — web — Publisher's page; dimensions are facts — https://www.eurorc.com/news/341/traxxas-slash-2wd-vs-4wd\n- EFRA: EFRA Handbook 2010, Appendix 3: Electric Cars — web — Publisher's page; dimensions are facts — https://www.efra.ws/wp-content/uploads/2010/03/Handb10App3.pdf\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=2wd-vs-4wd\n",
 "sources": [
  {
   "publisher": "EuroRC",
   "title": "Traxxas Slash 2WD vs 4WD",
   "url": "https://www.eurorc.com/news/341/traxxas-slash-2wd-vs-4wd",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "EFRA",
   "title": "EFRA Handbook 2010, Appendix 3: Electric Cars",
   "url": "https://www.efra.ws/wp-content/uploads/2010/03/Handb10App3.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "camber",
  "caster",
  "kick-up",
  "toe-front",
  "toe-rear",
  "ackermann"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "Which is easier to drive?",
   "a": "4WD is steadier on loose surfaces (EuroRC)."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/2wd-vs-4wd/index.md"
}