| General |
| Year | 2015 | 2025 |
| Make Model | BMW K 1600 GTL | Harley Davidson Softail Fat Boy 117 |
| Dimensions |
| Seat Height | 810 - 830 mm / 31.9 - 32.7 in (standard) 780 - 800 mm / 30.7 - 31.5 in(optional rider seat) 750 mm / 29.5 in (special accessory seat, single-section) | Unladen 675 mm / 26.6 in Laden 658 mm / 25.9 in |
| Wheelbase | 1680 mm / 66.1 in | 1650 mm / 65 in |
| Ground Clearance | - | 125 mm / 4.9 in |
| Height | 1465 mm / 57.7 in | 1120 mm / 44.1 in |
| Length | 2489m m / 98.0 in | 2365 mm / 93.1 in |
| Width | 1000 mm / 39.4 in | 965 mm / 40.0 in |
| Weights & Capacities |
| Wet Weight (kg) | 348 | 315 |
| Dry Weight (kg) | 321 | 303 |
| Dry Weight | 321 kg / 708 lbs | 303 kg / 668 lbs |
| Fuel Capacity | 26.5 Litres / 7.0 US gal | 18.9 Litres / US 5.0 gal |
| Wet Weight | 348 kg / 768 lbs | 315 kg / 694 lbs |
| Performance |
| Top Speed | 239.2 km/h / 148.6 mph | - |
| Max Power | 118 kW / 160.5 hp @ 7750 rpm | 77 kW / 104Hp @ 4800 rpm |
| Max Torque | 175 Nm / 17.8 kgf-m / 129 lb-ft @ 5250 rpm | 171 Nm / 126 lb-ft @ 3000 rpm |
| Standing Start ¼ Mile | 11.7 sec | - |
| Engine |
| Displacement | 1649 cc / 100.6 cu in. | 1923 cc / 117 cu in |
| Engine Detail | Four stroke, transverse six cylinder, 4 valves per cylinder | Four stroke, V-Twin, 2 Milwaukee-Eight 117 custom, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder |
| Bore x Stroke | 72 x 67.5 mm | 103.5 x 114.3 in |
| Compression Ratio | 12.2:1 | 10.3:1 |
| Cooling System | Liquid cooled | Air cooled |
| Exhaust | - | 2-into-2 staggered, catalyst in muffler |
| Fuel Consumption | 5.95 L/100 km / 16.8 km/l / 39.5 US mpg | - |
| Fuel Induction | ∅52mm Throttle valve diameter, BMS-X | Electronic Sequential Port Fuel Injection (ESPFI) |
| Fuel Reserve | 4 Litres / 1.1 US gal | - |
| Fuel Type | Premium unleaded (95 RON) | - |
| Ignition | Digital CDI | Single-fire, non-wasted, map-controlled spark ignition |
| Lubrication | - | Pressurized, dry-sump with oil cooler |
| Starter | Electric | Electric |
| EV Specifics |
| Battery Capacity | 12 V / 19 Ah maintenance free | - |
| Drivetrain |
| Clutch | Multiplate wet clutch, hydraulically activated | Mechanical, 10 plate wet, assist & conventional |
| Final Drive | Shaft | Belt, 32/66 ratio |
| Gear Ratios | 1st 2.23 / 2nd 1.641 / 3rd 1.319 / 4th 1.101 / 5th 0.926 / 6th 0.788 | 1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.79 |
| Primary Drive | - | Chain, 34/46 ratio |
| Transmission / Drive | 6 Speed | 6 Speed |
| Chassis |
| Frame Type | Chill-cast rear frame, aluminium, extruded sections | Mild steel, tubular frame, rectangular section backbone, stamped, cast, and forged junctions, MIG welded, aluminum forged fender supports |
| Suspension - Front | Dual longitudinal control arm | Dual bending valve 49mm telescopic with aluminum fork triple clamps, dual rate spring, "beer can" covers |
| Suspension - Rear | Paralever (single-sided swing arm), central spring strut, rebound/continuously variable | Hidden, free piston, coil-over monoshock, 43mm stroke, hydraulic preload adjustment |
| Lean Angle | - | 25.6° |
| Rake | - | 30° |
| Steering Head Angle | 62.2° | - |
| Swingarm | - | Mild steel, tubular sections, stamped x-member, forged axle junctions, MIG welded, removable belt spacer |
| Trail | 108.4 mm / 4.3 in | 104 mm / 4.1 in |
| Wheel Travel - Front | 115 mm / 4.8 in | 130 mm / 5.1 in |
| Wheel Travel - Rear | 135 mm / 5.3 in | 86 mm / 3.4 in |
| Electrical Systems |
| Alternator | 580 W Alternator | - |
| Wheels & Brakes |
| Brakes - Front | 2 x ∅320mm discs, 4 piston calipers | 2 x 300mm discs, 4 piston fixed caliper |
| Brakes - Rear | Single ∅320mm disc, 2 piston caliper | Single 292mm disc, 2 piston floating caliper |
| ABS | BMW Motorrad ABS (partial integral) | Standard |
| Rims - Front | 3.0 x 17" | - |
| Rims - Rear | 6.00 x 17" | - |
| Tyres - Front | 120/70 ZR17 | 160/60R18,70V,BW |
| Tyres - Rear | 190/55 ZR17 | 240/40R18,79V,BW |
| Wheels | Cast aluminium wheels | Machined, Lakester cast aluminum |
| Wheels - Front | - | 18 x 4,5 in |
| Wheels - Rear | - | 18 x 8.0 in |