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2026 Triumph Bonneville Bobber vs 2026 Harley-Davidson Nightster - Spec Comparison

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2026 Triumph Bonneville Bobber

2026 Triumph Bonneville Bobber

The 2026 Triumph Bonneville Bobber combines classic styling with modern performance, powered by a 1200cc liquid-cooled parallel twin delivering 77 bhp and strong mid-range torque. Ideal for riders seeking authentic bobber character with everyday usability, it features premium Showa and KYB suspension, dual riding modes, and a slip-and-assist clutch for confident handling. Best known for its minimalist aesthetic and genuine retro appeal backed by contemporary technology.

2026 Harley-Davidson Nightster

2026 Harley-Davidson Nightster

The 2026 Harley-Davidson Nightster is a middleweight cruiser designed for riders seeking modern performance in a compact, nimble package. Its 481-pound frame, responsive handling geometry, and 91-horsepower Milwaukee-Eight engine deliver accessible power and agility, making it ideal for both new and experienced riders exploring urban riding and lighter touring.

2026 Triumph Bonneville Bobber vs 2026 Harley-Davidson Nightster: the key differences

Both are cruisers, so this is a like-for-like choice.

2026 Triumph Bonneville Bobber: Built primarily for stylish, relaxed cruising and short-to-medium rides where looks and feel matter as much as outright capability.

2026 Harley-Davidson Nightster: Built primarily for stylish street cruising and weekend riding rather than outright speed or long-distance touring.

Verdict: Choose the 2026 Harley-Davidson Nightster if you want more power and lighter weight. Check the full table below for every figure, and the size comparison for fit.

Size Comparison

2026 Triumph Bonneville Bobber 2026 Harley-Davidson Nightster (dashed outline)
2026 Triumph Bonneville Bobber seat: 690mm2026 Harley-Davidson Nightster seat: 688mm175cm

The 2026 Harley-Davidson Nightster has a 1.7" longer wheelbase than the 2026 Triumph Bonneville Bobber (59.1" vs 60.8"), the 2026 Triumph Bonneville Bobber sits 0.1" taller at the seat (27.2" vs 27.1"), and the 2026 Triumph Bonneville Bobber is about 18kg heavier.

Silhouettes are generic per-category shapes scaled to each bike's real wheelbase and seat height, not per-model artwork - a size approximation, not a photo.

Specification2026 Triumph Bonneville Bobber2026 Harley-Davidson Nightster
Other
Category Cruiser Cruiser
Fuel Tank Material Metal Plastic
Rake 25.4 deg 30
Engine
Capacity: 1200.0 ccm (73.23 cubic inches) 975.1 ccm (59.50 cubic inches)
CO2 Emissions ✓105 CO2 g/km ✓128 CO2 g/km
EPA Certificate No. TTDXC1.20DBO-016 -
EPA Est. Fuel Consumption 4.49 L/100km (52.4 US mpg) 5.45 L/100km (43.2 US mpg)
EPA CO Emissions 2.0 CO g/km 1.2 CO g/km
Engine Type Parallel Twin, four-stroke V-Twin, four-stroke
Bore x Stroke 97.6 x 80.0 mm (3.8 x 3.1 inches) 97.0 x 66.0 mm (3.8 x 2.6 inches)
Compression 10.0:1 12.0:1
Cooling System Liquid Air
Fuel System Injection Injection
Starting Electric Electric
Ignition Digital-inductive type via engine management system -
Aspiration Naturally aspirated Naturally aspirated
Valves Per Cylinder 4 4
Performance
Power 76.9 HP (57.5 kW) @ 6100 RPM ✓91.0 HP (66.9 kW) @ 7500 RPM
Torque ✓106.0 Nm (10.8 kgf-m or 78.2 ft.lbs) @ 4000 RPM 97.6 Nm (10.0 kgf-m or 72.0 ft.lbs) @ 5750 RPM
Power/Weight Ratio 0.3373 HP/kg (dry) 0.4342 HP/kg (dry)
Chassis & suspension
Frame Tubular steel, with steel cradles -
Front Suspension Showa 1.85 in (47mm) cartridge forks 41mm (1.6 in) SHOWA® Dual Bending Valve conventional forks. Aluminum fork triple clamps.
Rear Suspension KYB monoshock RSU with linkage and preload adjustment Rear suspension is dual outboard, direct-acting (no linkage) emulsion technology shock absorbers with coil springs and a threaded collar for pre-load adjustment.
Front Wheel Travel 90 mm (3.5 inches) -
Rear Wheel Travel 77 mm (3.0 inches) -
Rake (fork angle) 24.5° 30.0°
Trail 92 mm (3.6 inches) 137 mm (5.4 inches)
Ground Clearance - 109 mm (4.3 inches)
Transmission
Gearbox 6-speed 6-speed
Transmission Type Manual Manual
Final Drive Chain Belt
Clutch Wet, multi-plate assist clutch Multi-plate with diaphragm spring in oil bath
Brakes & wheels
Front Brakes Twin 12.2 in (310mm) fixed discs, Brembo 2-piston floating calipers, OCABS Front: axially mounted, 4-piston caliper; Rear: floating, single piston caliper
Front Brakes Diameter 310 mm (12.2 inches) -
Rear Brakes Single 10 in (255mm) disc, Nissin single piston floating caliper, OCABS Expanding brake (drum brake). ABS. Floating, single piston caliper
Rear Brakes Diameter 255 mm (10.0 inches) -
Front Tyre MT90B16 100/90-19 57H
Rear Tyre 150/80 R16 150/80B16 77H
ABS - Yes
Dimensions & weight
Wheelbase 1500 mm (59.1 inches) 1544 mm (60.8 inches)
Overall Length 2225 mm (87.6 inches) 2250 mm (88.6 inches)
Overall Width 800 mm (31.5 inches) 838 mm (33.0 inches)
Overall Height 1055 mm (41.5 inches) -
Seat Height 690 mm (27.2 inches) ✓688 mm (27.1 inches)
Dry weight 228.0 kg (502.7 pounds) ✓209.6 kg (462.1 pounds)
Wet Weight 251.0 kg (553.4 pounds) ✓218.2 kg (481.0 pounds)
Fuel Capacity ✓12.00 litres (3.17 US gallons) 11.70 litres (3.09 US gallons)
Oil capacity 4.50 litres (4.76 US quarts) 4.50 litres (4.76 US quarts)

"Best" (✓) reflects that single spec only, not overall suitability - a bike can win on paper and still be the wrong choice for you. Ties are all marked; specs with no clear better/worse direction (e.g. displacement, wheel size) are never marked, only tinted where bikes differ.

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2026 Triumph Bonneville Bobber on eBay 2026 Harley-Davidson Nightster on eBay

About this comparison tool

This tool puts up to four motorcycles side by side across their full specification sheets, drawn from a database of 43,000+ models and 1.60M+ individual specifications. Wherever a spec has a clear "better" direction - more power, less weight - the strongest figure in that row is highlighted automatically.

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Specs are pulled from the same categories used throughout the site: engine and transmission (capacity, power, torque, gearbox), physical measures (weight, seat height, fuel and tank capacity), frame and dimensions, speed and acceleration, and brakes, suspension, frame and wheels (including tyres) - plus general information and maintenance data where it's on record for a bike.

How the highlighting works, and its limits

A highlighted cell means one bike has the clearly better raw number for that spec - more power, less weight, and so on. Fields where "better" genuinely depends on the rider - seat height above all - are deliberately never highlighted: a lower seat isn't automatically the right choice, it's a fit question only you can answer. Winning a row also isn't the same as winning the comparison - a bike can lead on paper in half the rows and still be the wrong bike for you.

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