It looks like Triumph’s partnership with Bajaj is about to give us another modern classic gem. Following the massive success of the Speed 400 and Scrambler 400 X, the British brand is reaching back into its legendary heritage. Recent spy shots and industry leaks have confirmed that the Triumph Bonneville 400 is officially on the way, with launch details finally starting to trickle out.
For those who find the Speed 400 a bit too sporty or the Scrambler a bit too tall, this new entry-level “Bonnie” promises that timeless, laid-back silhouette that has made the Bonneville name world-famous for decades.
Spotted for the First Time: A True Mini-Bonneville
The first Triumph Bonneville 400 spy shots have been released by Youtuber MotoBob. These have revealed a bike that stays incredibly faithful to its bigger 900cc and 1200cc siblings. Unlike the sharper, modern lines of the Speed, the Bonneville 400 features a more traditional, “straight-line” aesthetic.
Key Design Elements Spotted:
- Peashooter Exhaust: One of the most iconic Bonneville features—the peashooter exhaust—has been spotted on the test mules.
- Classic Tank & Seat: A more rounded, teardrop-shaped fuel tank and a long, flat “bench” seat that looks much more comfortable for a pillion than the current 400 range.
- Wire-Spoke Wheels: To nail that retro vibe, the test bikes were seen running on spoke wheels, likely paired with tubed or tubeless-ready tyres depending on the final trim.
- Chrome Details expected: Expect a lot more “shiny bits,” including chrome mirrors, engine covers, and headlight surrounds, moving away from the blacked-out look of the Speed T4.
The 350cc Engine: The Strategic Tax Masterstroke
While the bike is part of the 400cc family, Triumph is expected to use the newly developed 350cc engine seen in the updated Speed T4. As we’ve seen recently, this move isn’t about cutting performance—it’s about beating the taxman.
By keeping the displacement at 349cc, the Bonneville 400 will fall into the 18% GST bracket rather than the 40% one.
- Power Output: Expected to be around 31 PS @ 7,000 rpm.
- Torque: Likely to sit at 32 Nm @ 5,000 rpm. The engine is being tuned for a much “lazier,” torque-heavy feel, making it perfect for relaxed Sunday cruises rather than redline-chasing sprints.
Launch Timeline and Expected Price
So, when can you get your hands on one? Triumph is reportedly aiming for an official launch in late 2026 or early 2027. It will mostly be unveiled at the EICMA 2026. With the Speed T4 starting at ₹1.95 lakh, the Triumph Bonneville 400 price is expected to sit somewhere between ₹2.10 lakh and ₹2.25 lakh (ex-showroom).
This positioning would place it directly in the crosshairs of the Royal Enfield Classic 350 and the Honda CB350, offering a more premium, “big-brand” alternative for those who want that British Bonnie look without the big price tag.
Hardware and Tech
Despite the old-school looks, the Bonneville 400 won’t be a dinosaur. Leaks suggest it will carry over the high-quality hardware Triumph is now known for in India:
- Suspension: Traditional right-side-up telescopic forks (likely with gaiters for that retro look) and twin rear shock absorbers.
- Brakes: Disc brakes at both ends with dual-channel ABS as standard along with Traction control.
- Features: An analogue-heavy instrument cluster with a small LCD for trip data, keeping the dash clean and classic.
