| General |
| Year | 2021 | 2022 |
| Make Model | BMW R 1250RT | BMW K 1600 GT |
| Dimensions |
| Seat Height | 805 mm to 825 mm / 31.6 in to 32.4 in 830 mm to 850 mm / 32.6 in to 33.4 in - SE high seat 760 mm to 780 mm / 29.9 in to 30.7 in - low seat | 810 - 830 mm / 31.9 - 32.7 in (standard) |
| Wheelbase | 1485 mm / 58.4 in | 1618 mm / 63.7 in |
| Height | - | 1440 mm - 1597 mm / 56.7 in - 62.9 in |
| Length | 2222 mm / 87.4 in | 2324 m / 91.5 in |
| Width | 985 mm / 38.7 in | 1000 mm / 39.4 in |
| Weights & Capacities |
| Wet Weight (kg) | 279 | 343 |
| Fuel Capacity | 25 Litres / 6.6 US gal | 26.5 Litres / 7.0 US gal |
| Max Load | 505 kg / 1113.3 lbs | - |
| Wet Weight | 279 kg / 615 lbs | 343 kg / 756.2 lbs |
| Performance |
| Max Power | 136 hp / 100 kW @ 7750 rpm | 118 kW / 160 hp @ 6750 rpm |
| Max Torque | 143 Nm / 105.4 lb-ft @ 6250 rpm | 180 Nm / 132.7 lb-ft @ 5250 rpm |
| Engine |
| Displacement | 1254 cc / 76.5 cu-in | 1649 cc / 100.6 cu-in |
| Engine Detail | Four stroke, two cylinder horizontally opposed Boxer, with two overhead, spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, Intake 40mm, outlet 34 mm | Four stroke, transverse six cylinder, 4 valves per cylinder |
| Bore x Stroke | 102.5 x 76 mm | 72 x 67.5 mm |
| Compression Ratio | 12.5:1 | 12.2:1 |
| Cooling System | Liquid / Air cooled | Liquid cooled |
| Emissions | Closed-loop three-way catalytic converter, compliant with Euro 5 emission standard | Closed-loop 3-way catalytic converter, emission standard EU-5 |
| Engine Management | Digital engine control: BMS-O with e-gas | - |
| Fuel Induction | Electronic intake pipe fuel injection, 52mm throttle valve | - |
| Fuel Type | Super petrol unleaded, octane number 95 (ROZ), adaptation through engine control (91 to 98 ROZ) | - |
| Mixture Control | - | Electronic intake pipe injection digital engine management system: BMS-O with throttle-by-wire |
| Starter | Electric | Electric |
| EV Specifics |
| Battery Capacity | 12 V / 11.8 Ah, maintenance-free | - |
| Drivetrain |
| Clutch | Wet clutch with anti-hopping function, hydraulically activated | Multiple-disc clutch in oil bath |
| Final Drive | Shaft | Shaft |
| Gear Ratios | 1st (2.438) 2nd 1.714 3rd. 1.296 4th 1.059 5th 0.943 6th 0.848 | 1st 2.23 / 2nd 1.641 / 3rd 1.319 / 4th 1.101 / 5th 0.926 / 6th 0.788 |
| Primary Drive Ratios | 1.650 | - |
| Secondary Drive Ratio | 1.061 | - |
| Transmission / Drive | 6-speed helical synchromesh gearbox | 6-speed gearbox, helical cut |
| Chassis |
| Frame Type | Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine | Bridge-type frame, cast aluminium, load-bearing engine |
| Suspension - Front | BMW Motorrad 37mm Telelever, central spring strut | BMW Motorrad Duolever; central spring strut |
| Suspension - Rear | Cast aluminium single-sided swinging arm with BMW Motorrad Paralever, WAD spring strut, spring preload continuously and hydraulically adjustable via adjuster knob, adjustable rebound-stage damping via adjuster knob | Cast aluminum single-sided swing arm with BMW Motorrad Paralever; central spring strut |
| Steering Angle | 64.1° | - |
| Steering Head Angle | - | 62.2° |
| Trail | 116 mm / 4.5 in | 105.9 mm / 4.17 in |
| Wheel Travel - Front | 120 mm / 4.7 in | 114.3 mm / 4.5 in |
| Wheel Travel - Rear | 136 mm / 5.3 in | 135 mm / 5.3 in |
| Wheels & Brakes |
| Brakes - Front | 2x 320mm floating discs, 4-piston radial brake calipers | 2 x 320mm discs, 4 piston calipers |
| Brakes - Rear | Single 276mm disc, 2-piston floating caliper | Single 320mm disc, 2 piston caliper |
| ABS | BMW Motorrad full integral ABS Pro (full integral braking, lean optimised) | BMW Motorrad ABS Pro (partial integral, slant-layer-optimized) |
| Rims - Front | 3.50 x 17 | 3.0 x 17 |
| Rims - Rear | 5.50 x 17 | 6.00 x 17 |
| Tyres - Front | 120/70 ZR17 | 120/70 ZR17 |
| Tyres - Rear | 180/55 ZR17 | 190/55 ZR17 |
| Wheels | Die-cast aluminium | Cast aluminium wheels |