At a Glance
Key differences that define each motorcycle
Suzuki Gixxer SF
- 155 cc Air-Cooled, 2-valve
- 13.6 PS @ 8000 rpm
- 45 km/l (Claimed)
- 12-litre tank
- 1 variant available
- Single-channel ABS standard
Yamaha R15S
- 155 cc Liquid-Cooled, 4-valve VVA
- 18.4 PS @ 10000 rpm
- 46 km/l (Owner Reported)
- 11-litre tank
- 1 variant available
- Dual-channel ABS + Slipper Clutch
Full Specification Comparison
Every number that matters — side by side
| Specification | Suzuki Gixxer SF | Yamaha R15S |
|---|---|---|
| Engine & Performance | ||
| Displacement | 155 cc | 155 cc |
| Cooling System | Air-Cooled | Liquid-Cooled |
| Max Power | 13.6 PS @ 8000 rpm | 18.4 PS @ 10000 rpm |
| Max Torque | 13.8 Nm @ 6000 rpm | 14.2 Nm @ 7500 rpm |
| Valves per Cylinder | 2 | 4 (VVA) |
| Compression Ratio | 9.8:1 | 11.6:1 |
| Bore × Stroke | 56.0 × 62.9 mm | 58.0 × 58.7 mm |
| Emission Standard | BS6 Phase 2 | BS6 Phase 2 |
| Transmission | 5-Speed Manual | 6-Speed Manual |
| Clutch | Wet Multi Plate | Assist & Slipper Clutch |
| Top Speed | 115 km/h | ~140 km/h |
| Riding Modes | No | No |
| Traction Control | No | No |
| VVA Technology | No | Yes |
| Fuel & Range | ||
| Mileage (Claimed / Reported) | 45 km/l (Claimed) | 46 km/l (Owner Reported) |
| Fuel Tank | 12 litres | 11 litres |
| Reserve Capacity | 2.4 litres | 2.2 litres |
| Riding Range | ~540 km | ~506 km |
| Brakes & Wheels | ||
| Braking System | Single Channel ABS | Dual Channel ABS |
| Front Brake | Disc – 266 mm | Disc – 282 mm |
| Rear Brake | Disc – 240 mm | Disc – 220 mm |
| Tyre Type | Tubeless | Tubeless |
| Tyre Size (F / R) | 100/80-17 / 140/60R17 | 100/80-17 / 140/70R17 |
| Wheel Type | Alloy | Alloy |
| Suspension & Chassis | ||
| Front Suspension | Telescopic Fork | Telescopic Fork |
| Rear Suspension | Swing Arm Mono Shock | Monocross |
| Chassis | Diamond Frame | Deltabox Frame |
| Rear Preload Adjuster | Yes | Yes |
| Dimensions & Weight | ||
| Kerb Weight | 148 kg | 142 kg |
| Seat Height | 795 mm | 815 mm |
| Ground Clearance | 165 mm | 170 mm |
| Wheelbase | 1340 mm | 1325 mm |
| Overall L × W × H | 2025 × 715 × 1035 mm | 1990 × 725 × 1135 mm |
| Features & Electronics | ||
| Instrument Console | Fully Digital LCD | Fully Digital LCD |
| Headlight | LED Projector | LED |
| DRLs | Yes | Yes |
| Turn Signals | Bulb | Bulb |
| Hazard Warning Lights | No | No |
| Riding Modes | No | No |
| Traction Control | No | No |
| Bluetooth Connectivity | Yes | Yes |
| Call & SMS Alerts | Yes | Yes |
| USB Charging Port | No | No |
| Distance to Empty | Yes | Yes |
| Gear Indicator | Yes | Yes |
| Tachometer | Digital | Digital |
| Service Reminder | Yes | Yes |
| Keyless Ignition | No | No |
| Price & Warranty | ||
| Starting Price (ex-showroom) | ₹1,37,594 | ₹1,51,597 |
| Number of Variants | 1 | 1 |
| Standard Warranty | 2 Years / 30,000 km | 2 Years / 30,000 km |
★ Green highlights indicate the stronger value in each row. Prices are ex-showroom India averages and may vary by city.
Variant-wise Price Comparison
All variants laid out — find the right one for your budget
Suzuki Gixxer SF Variants
Yamaha R15S Variants
Pros & Cons
Honest strengths and weaknesses of each bike
Pros
- Lower starting price — ₹14,003 cheaper than R15S
- Larger 12-litre fuel tank for longer riding range (~540 km)
- Bigger reserve tank capacity (2.4 litres vs 2.2 litres)
- LED projector headlamp standard
- Lower, more accessible seat height (795 mm vs 815 mm)
- Larger rear disc brake (240 mm vs 220 mm)
- Comfortable, less aggressive riding ergonomics
- Lighter clutch action for easier city riding
- Proven Suzuki reliability and wide service network
- Longer wheelbase (1340 mm) for stable highway feel
Cons
- Much lower peak power (13.6 PS vs 18.4 PS)
- Only single-channel ABS — no rear wheel protection
- Air-cooled 2-valve engine, less refined at high RPM
- Smaller 266 mm front disc vs 282 mm on R15S
- Only 5-speed gearbox vs 6-speed on R15S
- No slipper clutch for smoother downshifts
- Lower top speed (~115 km/h vs ~140 km/h)
- Heavier at 148 kg vs 142 kg
- No VVA technology for variable power delivery
Pros
- 35% more power – 18.4 PS @ 10000 rpm
- Dual-channel ABS for superior braking safety
- Liquid-cooled 4-valve VVA engine — more refined
- 6-speed gearbox for better high-speed gear selection
- Assist & slipper clutch for smoother downshifts
- Better ground clearance (170 mm vs 165 mm)
- Lighter at 142 kg vs 148 kg
- Higher top speed (~140 km/h)
- Stronger Deltabox frame for sharper cornering
- Higher compression ratio (11.6:1 vs 9.8:1) for efficiency
Cons
- Higher price at ₹1,51,597 — ₹14,003 more than Gixxer SF
- Smaller 11-litre tank with shorter riding range (~506 km)
- More aggressive riding posture less suited for long commutes
- Higher seat height (815 mm) harder to reach for shorter riders
- Standard LED headlight, not a projector
- Smaller rear disc (220 mm vs 240 mm on Gixxer SF)
- Low-end torque limited for slow city riding
Key Differences Explained
What really sets these two bikes apart
Engine Character
Both bikes share the same 155 cc displacement, but the engineering diverges sharply. The Gixxer SF uses an air-cooled 2-valve motor producing 13.6 PS — smooth and easy for city use, but modest in character. The R15S runs a liquid-cooled 4-valve VVA unit making 18.4 PS — 35% more power. Yamaha's VVA (Variable Valve Actuation) system gives the R15S a uniquely broad character, delivering both usable low-end response and strong top-end pull that the Gixxer SF simply cannot match.
Fuel Efficiency & Range
Mileage is almost identical — owners report ~46 km/l for the R15S against the Gixxer SF's claimed 45 km/l. The meaningful difference is in tank size: the Gixxer SF's 12-litre tank beats the R15S's 11-litre unit, giving it a longer estimated range of approximately 540 km versus 506 km. The Gixxer SF also carries a larger 2.4-litre reserve versus 2.2 litres on the R15S — small margins that matter on a long ride.
Braking & Safety
The R15S holds a decisive safety edge with dual-channel ABS — protecting both wheels under hard braking — while the Gixxer SF offers only single-channel ABS that protects only the front wheel. The R15S also has a larger 282 mm front disc versus the Gixxer SF's 266 mm. The Gixxer SF partially compensates with a bigger 240 mm rear disc (vs 220 mm on the R15S), but the ABS difference is the more significant safety factor for most riding conditions.
Transmission & Clutch
The R15S adds a 6-speed gearbox versus the Gixxer SF's 5-speed unit, providing better gear selection at highway speeds and allowing the engine to stay in its optimum power band more effectively. The R15S also features an assist & slipper clutch that prevents rear wheel hop during aggressive downshifts and lightens clutch effort. The Gixxer SF's standard wet multi-plate clutch is perfectly fine for daily use but lacks these refinements.
Ergonomics & Everyday Comfort
The Gixxer SF wins for daily usability. Its 795 mm seat height is 20 mm lower than the R15S's 815 mm — meaningfully more accessible for shorter riders. The Gixxer SF's ergonomics strike a more relaxed balance between sporty and practical, while the R15S's committed, forward-leaning posture can cause fatigue in stop-and-go traffic. At 148 kg, the Gixxer SF is also slightly heavier than the R15S's 142 kg, but the seat height advantage offsets this for confidence at traffic lights.
Price & Value
The Gixxer SF at ₹1,37,594 is ₹14,003 cheaper than the R15S at ₹1,51,597. For the extra outlay, the R15S delivers 35% more power, dual-channel ABS, a slipper clutch and a more advanced liquid-cooled VVA engine. For buyers who ride frequently at spirited speeds and value safety, the R15S's premium is justifiable. For budget-conscious daily commuters who want a reliable faired bike without performance demands, the Gixxer SF offers a compelling package at a lower price.
Expert Verdict
Which one should you actually buy?
Buy the Suzuki Gixxer SF if…
- Budget is the priority — saves ₹14,003 upfront
- You want a longer riding range from a bigger 12-litre tank
- A lower seat height (795 mm) suits your build
- Comfortable daily ergonomics matter more than sporty posture
- You prefer an LED projector headlamp at the front
- Smooth, relaxed city riding is your main use case
- Suzuki reliability and service convenience appeal to you
Buy the Yamaha R15S if…
- More power (18.4 PS) and top speed (~140 km/h) matter
- Dual-channel ABS for safer all-condition braking is a priority
- The VVA liquid-cooled engine's performance breadth excites you
- A slipper clutch and 6-speed gearbox add value to your riding
- You use the bike for spirited riding alongside commuting
- Sharper cornering with the Deltabox frame appeals to you
- The ₹14,003 premium is within your budget
Overall Winner for Most Riders: Yamaha R15S. The ₹14,003 price premium over the Gixxer SF is justified by significantly more power (18.4 PS vs 13.6 PS), dual-channel ABS for rear wheel safety, a more advanced liquid-cooled VVA engine, a 6-speed gearbox with slipper clutch, and a higher top speed — making the R15S the stronger all-round sportbike for enthusiasts and safety-conscious buyers alike. Choose the Suzuki Gixxer SF if your budget is firm, you prioritise a lower seat height and more relaxed daily ergonomics, or you value a larger tank for longer riding range.
Frequently Asked Questions
Common questions answered by our experts
The Yamaha R15S is better for most performance-oriented buyers thanks to its 18.4 PS VVA engine, dual-channel ABS, 6-speed gearbox with slipper clutch and higher top speed of ~140 km/h. The Suzuki Gixxer SF is better for budget-conscious commuters who want a stylish faired bike with a lower price (₹1,37,594), lower seat height (795 mm), larger fuel tank (12 litres) and comfortable everyday ergonomics.
The Suzuki Gixxer SF starts at ₹1,37,594 while the Yamaha R15S starts at ₹1,51,597 ex-showroom — a difference of ₹14,003. Both are available in a single standard variant, so there is no variant overlap to compare. Prices are for India and may vary by city.
Both bikes deliver very similar mileage — the Gixxer SF claims around 45 km/l while R15S owners report approximately 46 km/l. However, the Gixxer SF's larger 12-litre tank gives it a longer estimated riding range of ~540 km compared to ~506 km for the R15S's 11-litre tank. The Gixxer SF also has a bigger 2.4-litre reserve versus 2.2 litres on the R15S.
The Yamaha R15S makes significantly more power at 18.4 PS @ 10000 rpm and 14.2 Nm @ 7500 rpm, compared to the Suzuki Gixxer SF's 13.6 PS @ 8000 rpm and 13.8 Nm @ 6000 rpm — a 35% power advantage. The R15S's liquid-cooled 4-valve VVA engine is also more refined at high RPMs and delivers a broader power band, while the Gixxer SF's air-cooled 2-valve motor is smoother at low-to-mid RPM for city riding.
No, the Suzuki Gixxer SF only comes with single-channel ABS, which protects only the front wheel during emergency braking. The Yamaha R15S is equipped with dual-channel ABS, protecting both wheels. Dual-channel ABS is a meaningful safety advantage, especially in wet conditions or when braking hard while cornering, and is one of the key reasons the R15S commands a ₹14,003 premium over the Gixxer SF.
Both bikes use conventional telescopic front forks and a rear monoshock with preload adjustment. The key difference is in the chassis: the R15S uses Yamaha's Deltabox frame, which provides superior rigidity and cornering precision — it's the same frame architecture used in the full R15 V4. The Gixxer SF uses a standard diamond frame that is adequate for daily use and highway cruising but less focused on sporty cornering dynamics.