By NastyNils·
Motorcycle comparison · Retro Classic
Triumph Bonneville T120 (MY2025) vs Royal Enfield Interceptor 650 (MY2018)
You'll feel the Triumph Bonneville T120's twin roll on in one smooth, even surge, and its exhaust note keeps the pace relaxed. On the Royal Enfield Interceptor 650, the midrange punches out with its own offbeat firing rhythm. It's lively but never bites back.
So which one do you buy?
The Bonneville T120 has the edge if…
Sporty riding on twisty roads
A touch ahead: Bonneville T120
In the twisties, the Bonneville T120 asks a bit less of you to go quickly. It's down to harder acceleration and stronger brakes. Call it a modest edge.
Character, looks and sound
Slight edge: Bonneville T120
Parked side by side, the Bonneville T120 draws the eye a little more. Thank a better engine note and more engine character for that. Only a little, and taste can flip it.
Keeping running costs low
By a nose: Bonneville T120
Over a year of riding, the Bonneville T120 noses ahead on running costs. A neglected example would wipe that out.
Daily commuting & city riding
Small edge: Bonneville T120
Your daily ride leans slightly toward the Bonneville T120. The difference is simpler maintenance and easier everyday riding. Fit and price can easily outweigh that.
Which one's the smarter buy
Depends what you want it for
The Interceptor 650 costs less, but that gap doesn't make it the better buy. Neither bike is the clear winner on value.
What makes each one tick
Bonneville T120
The Bonneville T120's liquid-cooled engine does its heavy lifting early, with 77 lb-ft (105 Nm) peaking at 3,500 rpm. Deep paint and careful detailing dress a pure 1960s silhouette, and you're sitting tall behind an upright bar. The throttle answers with a shove. It hauls long before the tach needle climbs.
Interceptor 650
A lazy style suits the Interceptor 650, since there's enough pull in the middle revs that you're rarely chasing gears. At 470 lb (213 kg), it doesn't take much push on the bar to tip the bike into a bend. It's simple to wrench on. Wire wheels and a teardrop tank catch every glance.
The Voice of Experience
What actually separates them
- The Bonneville T120 has the lower seat: 31.1 in (790 mm) vs 31.7 in (806 mm).
- The Interceptor 650 has the lower wet weight: 470 lb (213 kg) vs 520 lb (236 kg).
- The Bonneville T120 makes more peak power: 79 hp (59 kW) vs 48 hp (35 kW).
Which one for the way you ride
Comfortable long-distance riding
Wrong job for both
Neither one is built for long-haul comfort. For big miles, look at a proper tourer or sport tourer.
Who each one is built for
What's good, and what you'll live with
Bonneville T120
What owners say
Strengths
- Smooth and torquey parallel twin
- Classic British styling with modern touches
- High-quality fit and finish
Interceptor 650
What owners say
Strengths
- Torquey and characterful parallel-twin
- Classic, timeless styling
- Outstanding value for money
What they cost used
These prices compare a 1-year-old Bonneville T120 with a 1-year-old Interceptor 650.
- Bonneville T120
- about $12,300
- Interceptor 650
- about $5,200
At one year old, the Triumph Bonneville T120 sits around $12,300 while the Royal Enfield Interceptor 650 lands near $5,200. That's a $7,100 gap in the Interceptor 650's favor. These are US market estimates, not live listings.
What they share
- Engine
- Parallel twin
- Gearbox
- 6-speed
- Final drive
- Chain
- Front tire
- 100/90-18
Where the spec sheets split
| Bonneville T120 | Interceptor 650 | |
|---|---|---|
| Seat height | 31.1 in (790 mm) | 31.7 in (806 mm) |
| Wet weight | 520 lb (236 kg) | 470 lb (213 kg) |
| Bonneville T120 | Interceptor 650 | |
|---|---|---|
| Displacement | 1200 cc | 648 cc |
| Cooling | Liquid-cooled | Air/oil-cooled |
| Power | 79 hp (59 kW) | 48 hp (35 kW) |
| Torque | 77 lb-ft (105 Nm) | 39 lb-ft (52 Nm) |
| Peak torque at | 3,500 rpm | 5,250 rpm |
| Bonneville T120 | Interceptor 650 | |
|---|---|---|
| Fuel economy | 50 mpg (US) / 4.7 L/100 km | 42 mpg (US) / 5.6 L/100 km |
| Fuel capacity | 3.8 US gal (14.5 L) | 3.6 US gal (13.7 L) |
| Bonneville T120 | Interceptor 650 | |
|---|---|---|
| Rear tire | 150/70-17 | 130/70-18 |
What comes fitted, what costs extra
| Bonneville T120 | Interceptor 650 | |
|---|---|---|
| Traction Control | Standard | Not offered |
| Ride Modes | Standard | Not offered |
| Manually Adjustable Rear Suspension | Standard | Not offered |
| Cruise Control | Standard | Not offered |
| Heated Grips | Option | Not offered |
Head to head, area by area
Both bikes on the same scale, one area at a time.
