Harley-Davidson Harley Davidson FLHXS Street Glide Special (2017) vs Harley-Davidson Harley Davidson XLS 1000 Roadster (1979-85) vs Aprilia Tuareg 660 (2022)

Comparison technical specifications

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Make:	Harley-Davidson	Harley-Davidson	Aprilia
Model:	Harley Davidson FLHXS Street Glide Special	Harley Davidson XLS 1000 Roadster	Tuareg 660
Years:	2017	1979-85	2022
Engine:	Four stroke, V-Twin, Milwaukee-Eight 107, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder	Four stroke, 45° V-Twin, OHV, 2 valves per cylinder	Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder
Capacity:	1746 cc / 107 cub in.	998 cc / 60.8 cu-in	659 cc / 40.2 cu-in
Bore x Stroke:	100 x 111 mm	81 x 96.8 mm	81 x 63.93 mm
Cooling System:	Air cooled	Air cooled	Liquid cooled
Compression Ratio:	10.0:1	8.8;1	-
Induction:	Electronic Sequential Port Fuel Injection (ESPFI)	38mm Keihin carburetor	Fuel injection
Starting:	Electric	Electric	Electric
Max Torque:	145 Nm / 107 ft-lb @ 3250 rpm	55 ft-lb / 74 Nm @ 4000 rpm	70 Nm / 51.63 lb-ft
Transmission:	6 Speed	4 Speed	6 Speed, AQS Aprilia Quick Shift
Final Drive:	Belt	Chain	Chain, with drive ratio: 17/43
Frame:	Mild steel, square-section backbone with twin downtubes	Single down tube cradle	Tubular steel frame, engine used as a stressed member
Front Suspension:	41.3 mm telescopic, cartridge-style damping	Telehydraulic forks	43mm adjustable USD Fork
Rear Suspension:	Short, air-adjustable shock	Dual shocks swinging arm fork	Adjustable monoshock with progressive linkage
Front Brakes:	Caliper Type 32 mm, 4-piston fixed	2x 254mm discs	2 x disc
Rear Brakes:	Caliper Type 32 mm, 4-piston fixed	Single 292mm disc	Single disc
Front Tyre:	130/60B19 61H	MJ 90-19	21 in
Rear Tyre:	BW 180/65B16 81H	MT90-16	18 in
Fuel Capacity:	22.7 Litres / US 6.0 gal	13.5 Litres / 3.5 US gal	18 Litres / 4.6 US gal