| General |
| Year | 2025 | 2026 |
| Model | Tuareg 660 Rally | - |
| Make Model | Aprilia Tuareg 660 Rally | KTM 690 Enduro R |
| Dimensions |
| Width (mm) | 965 mm | - |
| Length (in.) | 87.4 in | - |
| Width (in.) | 38.0 in | - |
| Wheelbase (mm) | 1525 mm | - |
| Wheelbase (in.) | 60.04 in | - |
| Seat Height (mm) | 913 mm | - |
| Seat Height (in.) | 35.9 in | - |
| Length (mm) | 2220 mm | - |
| Seat Height | 913 mm / 35.9 in | 935 mm / 36.8 in |
| Wheelbase | - | 1506 mm / 59.3 in |
| Ground Clearance | 240 mm / 9.5 in | 265 mm / 10.4 in |
| Length | 2220 mm / 87.4 in | - |
| Width | 965 mm / 38.0 in | - |
| Weights & Capacities |
| Fuel Capacity (gal.) | 4.76 US gal | - |
| Fuel Capacity (l) | 18 litres | - |
| Wet Weight (lbs.) | 439 lbs | - |
| Wet Weight (kg) | 199 kg | - |
| Fuel Capacity | 18 litres / 4.76 US gal | 13.3 Litres / 3.5 US gal |
| Wet Weight | 199 kg / 439 lbs | 162 kg / 357 lbs |
| Performance |
| Max Power | 80 hp / 59 kW @ 9250 rpm | 79 hp / 58.1 kW |
| Max Torque | 70 Nm / 51.63 lb-ft @ 6500 rpm | 73 Nm / 54 lb-ft |
| Engine |
| Fuel Reserve (l) | 3 litres | - |
| Bore x Stroke (in,) | 3.19 x 2.52 in | - |
| Bore x Stroke (mm) | 81 x 63.93 mm | - |
| Displacement (cc) | 659 | - |
| Displacement (ci) | 40.2 | - |
| Engine Type | Four-stroke, liquid-cooled, forward-facing parallel twin, DOHC, four valves per cylinder | - |
| Fuel Reserve (gal.) | 0.79 US gal | - |
| Displacement | 659 cc / 40.2 cu-in | 692.7 cc / 42.27 cu in |
| Engine Detail | Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder | Single cylinder, 4-stroke, SOHC, 4-valve |
| Bore x Stroke | 81 x 63.93 mm | - |
| Compression Ratio | 13.5:1 | - |
| Cooling System | Liquid cooled | Liquid cooled |
| Emissions | Euro 5+ | - |
| Engine Management | Ride-by-wire engine management with APRC: AEM engine maps, AEB engine brake control, ATC traction control and ACC cruise control | - |
| Engine Maps / Power Modes | Four riding modes: Urban, Explore, Off-Road and Individual; two customisable | - |
| Exhaust | - | Stainless steel primary and secondary silencer |
| Fuel Consumption | 4.0 L/100 km | - |
| Fuel Induction | Electronic fuel injection, two 52 mm throttle bodies, ride-by-wire | Keihin EFI (throttle body 50 mm) |
| Ignition | - | Keihin EMS with RBW, double ignition |
| Lubrication | Wet sump | - |
| Lubrication System | - | Pressure lubrication with 2 oil pumps |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Wet, multi-plate, slipper | PASC slipper clutch, hydraulically operated |
| Final Drive | Chain, with drive ratio: 17/43 | Chain, 520 X-ring |
| Gearbox | 6-speed gearbox | - |
| Transmission / Drive | 6 Speed, AQS Aprilia Quick Shift | 6-Speed |
| Chassis |
| Trail (mm) | 113.3 mm | - |
| Wheel Travel - Front (in.) | 9.45 in | - |
| Wheel Travel - Front (mm) | 240 mm | - |
| Wheel Travel - Rear (in.) | 9.45 in | - |
| Fork Tube Size (mm) | 43 mm | - |
| Fork Tube Size (in.) | 1.69 in | - |
| Trail (in.) | 4.46 in | - |
| Wheel Travel - Rear (mm) | 240 mm | - |
| Frame Type | Tubular steel frame with aluminium engine connection plates; engine used as a stressed member | Chromium-molybdenum-steel trellis frame, powder coated |
| Suspension - Front | 43 mm Kayaba USD off-road tuned fork, fully adjustable, linear-rate spring, 240 mm travel | WP USD XPLOR 48 forks, compression and rebound adjustable |
| Suspension - Rear | Kayaba off-road tuned monoshock, fully adjustable, linear-rate spring, 240 mm travel | WP XPLOR shock absorber with Pro-Lever linkage, preload adjuster |
| Rake | 26.7 degrees | - |
| Steering Head Angle | - | 62.3° |
| Subframe | - | Self-supporting plastic tank |
| Trail | 113.3 mm / 4.46 in | 120 mm / 4.7 in |
| Wheel Travel - Front | 240 mm / 9.5 in | 265 mm / 10.4 in |
| Wheel Travel - Rear | 240 mm / 9.5 in | 250 mm / 9.8 in |
| Electronics |
| Electronics Package | 4 riding modes, APRC (Aprilia Performance Ride Control): AEM engine maps, AEB engine brake, ATC traction control and ACC cruise control | - |
| Equipment / Features | Full LED headlight and indicators, bonded 5-inch TFT dashboard, AEM engine maps, AEB engine brake, three-map dual-channel ABS with rear-wheel lift-up mitigation, ATC traction control, four riding modes, ACC cruise control, Rally high seat, specific handlebar, aluminium-reinforced handguards, high mudguard, SC-Project titanium slip-on exhaust, reinforced off-road skid plate, chain guide, Rally sidestand with enlarged support foot and metal-braided brake hoses | - |
| Wheels & Brakes |
| Brakes - Front Diameter (in.) | 11.81 in | - |
| Brakes - Front Diameter (mm) | 300 mm | - |
| Brakes - Rear Diameter (mm) | 260 mm | - |
| Brakes - Rear Diameter (in.) | 10.24 in | - |
| Brakes - Front | 2 x 300 mm Floating disc. Brembo calipers | Single 300 mm disc, Brembo 2 piston floating caliper |
| Brakes - Rear | Single 260 mm disc. Brembo caliper | Single 240 mm disc, Brembo single piston floating caliper |
| ABS | Dual-channel multi-map ABS, 3 intervention maps with Rear Wheel Lift-up Mitigation | Bosch 9.1 MP (incl. Cornering ABS and offroad mode, disengageable) |
| Tyres - Front | 21 in with inner tube | 90/90 -21 |
| Tyres - Rear | 18 in with inner tube | 140/80 -18 |
| Wheels | Cross-spoke wheels | - |
| Wheels - Front | Heavy-duty spoked wheel 21" x 1.85" | Spoked wheels with aluminum rims, 1.85 x 21″ |
| Wheels - Rear | Heavy-duty spoked wheel 18" x 4.00" | Spoked wheels with aluminum rims, 2.50 x 18″ |