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All Bikes/Compare/Royal Enfield Thunderbird Plus vs Royal Enfield Thunderbird Twins

Royal Enfield Thunderbird Plus vs Royal Enfield Thunderbird Twins

Side-by-side comparison for used motorcycle buyers

Royal Enfield Thunderbird Plus vs Royal Enfield Thunderbird Twins. Royal Enfield Thunderbird Plus: Approximately 18 hp @ 5,250 rpm (estimated based on 350cc AVL engine of the era) hp, Approximately 180 kg (wet/curb weight, estimated) weight, top speed Approximately 120 km/h (estimated), Motoryk rating 6.5/10. Royal Enfield Thunderbird Twins: 350: ~19.8 hp @ 5,250 rpm | 500: ~27.2 hp @ 5,100 rpm hp, 350: ~192 kg (curb) | 500: ~200 kg (curb) weight, top speed ~130 km/h (350 TwinSpark); ~140 km/h (500 TwinSpark) — estimated, Motoryk rating 6.8/10.

Performance at a Glance

Green = winner per metric · Bars are relative to the higher value

Royal Enfield Thunderbird Plus Royal Enfield Thunderbird Twins
Horsepower (hp)
18 hp
350 hp
Torque (Nm)
28 Nm
350 Nm
Top Speed (km/h)
120 km/h
130 km/h
Weight (kg) — lower is better
180 kg
350 kg
Type
Cruiser
Cruiser
Horsepower
Approximately 18 hp @ 5,250 rpm (estimated based on 350cc AVL engine of the era)
350: ~19.8 hp @ 5,250 rpm | 500: ~27.2 hp @ 5,100 rpm
Torque
Approximately 28 Nm @ 4,000 rpm (estimated)
350: ~28 Nm @ 4,000 rpm | 500: ~41.3 Nm @ 4,000 rpm
Top Speed
Approximately 120 km/h (estimated)
~130 km/h (350 TwinSpark); ~140 km/h (500 TwinSpark) — estimated
Weight
Approximately 180 kg (wet/curb weight, estimated)
350: ~192 kg (curb) | 500: ~200 kg (curb)
Fuel
Approximately 30-35 km/L (estimated; note: specific Thunderbird Plus figures vary by year and conditions)
Approximately 28–32 km/L (3.1–3.6 L/100km) for the 350 TwinSpark; ~25–28 km/L for the 500 TwinSpark (estimated real-world)
Fairing
No
No

Individual Reviews

Royal Enfield Thunderbird Plus
Royal Enfield Thunderbird Plus
6.5/10

"Characterful budget tourer that rewards patient, mechanically-minded owners."

Pros
+Addictive thumper character
+Cheap parts everywhere
+Comfortable highway cruising posture
Cons
Electrical reliability genuinely questionable
Carb needs constant attention
Weak pillion accommodation
Royal Enfield Thunderbird Twins
Royal Enfield Thunderbird Twins
6.8/10

"Flawed but deeply characterful cruiser that rewards patient, practical buyers."

Pros
+Addictive low-rev torque
+Cheap, accessible spare parts
+Stunning retro cruiser aesthetics
Cons
Inconsistent pre-2019 build quality
Vibration above 80mph
Electrical reliability concerns

Top 10 Accessories

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Waterproof Motorcycle Cover
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Roadside Tool Kit
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Helmet Action Camera
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