Ducati 851 Strada (1991) vs Harley-Davidson Harley Davidson XL 1200S Sportster Sport (2001) vs Ducati Panigale V4 R (2023)
Comparison technical specifications
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| Make: | Ducati | Harley-Davidson | Ducati |
| Model: | 851 Strada | Harley Davidson XL 1200S Sportster Sport | Panigale V4 R |
| Years: | 1991 | 2001 | 2023 |
| Engine: | Four stroke, 90° L-twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. | Four stroke, Desmosedici Stradale 90° V4, rearward-rotating crankshaft, 4 Desmodromically actuated valves per cylinder |
| Capacity: | 851 cc / 51.9 cu in | 1199 cc / 73.1 cu-in | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 92 x 64 mm | 88.8 x 96.8 mm | 81 x 48.4 mm |
| Compression Ratio: | 10.5:1 | 9.0:1 | 14.0:1 |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled |
| Induction: | Weber I.A.W. CPU P7 electronic fuel injection. 2 x 50mm throttle bodies | 40mm Keihin carburetor | Electronic fuel injection system. Twin injectors per cylinder. Full ride-by-wire elliptical throttle bodies with aerodynamic valves. Variable length intake system |
| Starting: | Electric | Electric | Electric |
| Max Power: | 80.9 kW / 110 hp @ 9600 rpm (rear tyre: 69.9 kW / 95 hp @ 9000 rpm) | 58.5 hp / 42.6 kW @ 5200 rpm | 160.4 kW / 218 hp @ 15500 rpm |
| Max Torque: | 70.6 Nm / 7.2 kgf-m / 52.1ft-lb @ 7000 rpm | 87 Nm / 64.1 lb-ft @ 3900 rpm | 111.3 Nm / 82 lb-ft @ 12000 rpm |
| Transmission: | 6 Speed | 5 Speed | Six-speed with Ducati Quick Shift (DQS) up/down EVO 2 |
| Final Drive: | Chain | Belt | Chain; Front sprocket 15; Rear sprocket 42 |
| Front Suspension: | 41 mm Showa upside-down fork with rebound compression damping adjustable | 39mm Telescopic Showa forks, preload , compression and rebound adjustable. | Fully adjustable 43 mm Öhlins NPX 25/30 pressurized fork with TiN treatment |
| Rear Suspension: | Showa single shock with preload and damping adjust | Dual Showa shocks, preload , compression and rebound adjustable. | Fully adjustable Öhlins TTX 36 unit with hydraulic spring preload adjuster |
| Front Brakes: | 2 x 320 mm Disc, 4 piston calipers | Single 292mm disc 2 piston calipers | 2 x 330 mm semi-floating discs, radially mounted Brembo Monobloc Stylema, (M4.30) 4-piston callipers. Self bleeding master cylinder |
| Rear Brakes: | Single 245 mm disc, 2 piston caliper | Single 292mm disc 1 piston caliper | Single 245 mm disc, 2-piston calliper with Bosch Cornering ABS EVO |
| Front Tyre: | 120/60 x 17 | 80/90-19 | Pirelli Diablo Supercorsa SP 120/70 ZR17 |
| Rear Tyre: | 180/55 x 17 | 130/90-16 | Pirelli Diablo Supercorsa SP 200/60 ZR17 |
| Fuel Capacity: | 20 Litres / 5.3 US gal / 4.4 Imp gal | 12.5 Litres / 3.3 US gal | 17 Litres / 4.49 US gal |