Suzuki GS 550E (1981-82) vs Ducati 1299 Panigale (2016) vs BMW C 400GT (2025) vs KTM 390 Duke (2024)
Comparison technical specifications
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| Make: | Suzuki | Ducati | BMW | KTM |
| Model: | GS 550E | 1299 Panigale | C 400GT | 390 Duke |
| Years: | 1981-82 | 2016 | 2025 | 2024 |
| Engine: | Four stroke, transverse four cylinders, DOHC, 2 valves per cylinder. | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valve per cylinder. | Four stroke, single cylinder, SOHC, 4 valves, with rocker arm | Four stroke, single cylinder, DOHC with finger followers, 4 valves |
| Capacity: | 549 cc / 33.5 cu in | 1285 cc / 78.4 cub in | 350 cc / 21.3 cu-in | 398.7 cc / 24.3 cu-in |
| Bore x Stroke: | 56 x 55.8 mm | 116 x 60.8 mm | 80 x 69.6 mm | 89 x 64 mm |
| Compression Ratio: | 8.6:1 | 12.6:1 | 11.5:1 | |
| Induction: | 4 x VM22SS Mikuni carburetors | Mitsubishi EFI, twin injectors per cylinder, full ride-by-wire elliptical throttle bodies | Electronic intake pipe fuel injection/digital engine management: BMS-ME with throttle-by-wire | Bosch fuel injection |
| Starting: | Electric | Electric | Electric, 500 kW | Electric |
| Max Power: | 35.8 kW / 49 hp @ 9000 rpm | 150.8 kW / 205 hp @ 10500 rpm | 25 kW / 33.5 hp @ 7500 rpm | 33 kW / 44.3 hp |
| Max Torque: | 42 Nm 4.3 kgf-m / 31 lb-ft @ 7500 rpm | 144.6 Nm / 14.7 kgf-m / 106.7 lb-ft @ 8750 rpm | 35 Nm / 25.8 lb-ft @ 5750 rpm | 39 Nm / 28.7 lb-ft |
| Clutch: | Wet, 15 multi-plate | Slipper and self-servo wet multiplate clutch with hydraulic control | Centrifugal dry clutch | PASC antihopping clutch, mechanically operated |
| Transmission: | 6 Speed | 6 Speed with Ducati Quick Shift | Stepless CVT gearbox, belt drive | 6 Speed |
| Front Suspension: | Telescopic fork, oil damped | Marzocchi 50 mm pressurised and fullly adjustable USD fork with hard anodized aluminium lightweight slider | 35mm Telescopic forks | 43mm WP APEX 43 |
| Rear Suspension: | Twin shocks, coil over, 5-way adjustable springload | Fully adjustable Sachs unit. Adjustable linkage: progressive flat, Aluminium single sided swingarm | Double Aluminum swingarm, double shock absorber, adjustable spring preload | WP APEX - Monoshock |
| Front Brakes: | Single 275mm disc, 1 piston caliper | 2 x 330 mm Semi-floating discs, radially mounted Brembo Monobloc EVO M50 4-piston calipers with cornering ABS Bosch 9.1 MP | 2x 265mm Rigid discs, 4 piston caliper | Single 320 mm disc, 4 piston radial fixed caliper |
| Rear Brakes: | Drum | Single 245 mm disc 2 piston caliper with cornering ABS | Single 265mm disc, 1 piston floating caliper | Single 240 mm disc, 2 piston floating caliper |
| Front Tyre: | 3.25-19 | 120/70 ZR17 Pirelli Diablo Supercorsa SP | 120/70 R15 | |
| Rear Tyre: | 3.75-18 | 200/55 ZR17 Pirelli Diablo Supercorsa SP | 150/70 R14 | |
| Dry Weight: | 195 kg / 430 lbs | 166.5 kg / 367 lbs | 207 kg / 456.3 lbs | 165 kg / 328 lbs |
| Fuel Capacity: | 17 Litres / 4.5 US gal / 3.7 Imp gal | 17 Litres / 4.5 US gal / 3.7 Imp gal | 12.8 Litres / 3.4 US gal |