Id say a properly tuned 840 will take it. I can outrun a Can Am 800 quad in 300' and be even with one at 500'. I know the 1000 is around 15 more hp than the 800 but it also 600lbs heavier than thier 800 quad!!
08' Teryx LE, FST 840, Muzzys, VDI, Dalton, VFJ Roller, Thunderhawk Performance Race Cage, Bumpers, Door Bars and Bracing, Beard TSX Seats, 5pt. Crow Harness, 12" ITP Type 7 Beadlocks, GBC 8 ply Dirt Commanders, Pro Armor Skids, Team Green Plastic
08' Teryx, Maier Orange Plastic, Thuderhawk Performance 4 Seat Cage, Bumpers, Door Bars and Bracing, Beard TSX Seats, 4 pt. Harness, 14" Chrome Doughas Diablos w/GBC Grim Reapers, VDI, Dalton