Yamaha Aerox 155 vs Vespa S 150
Prices ex-showroom Delhi, checked 2026-09. On-road and running costs estimated for Delhi.
Yamaha Aerox 155 and Vespa S 150 are both petrol scooters and turn up together on most shortlists. They are priced within ₹3,517 of each other, so this comes down to what each does with the money.
The Aerox 155 takes 4 of the 6 categories we score. Our overall ratings are 7/10 for the Aerox 155 and 5.5/10 for the S 150.
Category by category
Price
Aerox 155
The Aerox 155 starts ₹3,517 lower (₹1,46,264 against ₹1,49,781), about ₹110 a month less on a standard loan.
Performance
Aerox 155
Aerox 155 has the better power-to-weight ratio: 117 against 97 bhp per tonne. It will feel quicker with a pillion and on overtakes.
Safety kit
Aerox 155
Aerox 155 adds traction control that the S 150 does not have on any variant.
Features
Aerox 155
Aerox 155 gets led tail lamp, bluetooth connectivity, idle start-stop and external fuel filler.
City manners
S 150
S 150 is 11 kg lighter and lower in the seat (770 mm), which you feel in traffic and when parking.
Warranty
S 150
S 150 comes with 5 years of standard warranty against 2 on the Aerox 155.
Which one should you buy?
Buy the Aerox 155 if
- you want the lower purchase price and EMI
- you ride two-up or on highways and want the stronger engine
- you live where Yamaha's bigger service network matters
- your priority is performance-focused scooter buyers
Buy the S 150 if
- you are a new rider or shorter and want the lighter bike
- a longer standard warranty gives you peace of mind
- your priority is city errands
- your priority is family use
What each really costs
Base variants, Delhi, 30 km a day. Servicing and insurance are class-typical estimates.
| Cost | Aerox 155 | S 150 |
|---|---|---|
| Ex-showroom | ₹1,46,264 | ₹1,49,781 |
| On-road, Delhi | ₹1,72,289 | ₹1,71,437 |
Full specification comparison
Better figure in each row is shown in green.
| Spec | YamahaAerox 155 | VespaS 150 |
|---|---|---|
| Price | ||
| Starting ex-showroom | ₹1,46,264 | ₹1,49,781 |
| Rough EMI / month | ₹4,640 | ₹4,750 |
| Engine | ||
| Engine | 155 cc | 149.5 cc |
| Engine type | 1 Cylinder, Liquid Cooled, 4 Valves | 1 Cylinder, Air Cooled, 3 Valves |
| Power | 14.8 bhp | 11.2 bhp |
| Torque | 13.9 Nm | 11.6 Nm |
| Claimed mileage | 40 kmpl | — |
| Cooling | Liquid-cooled | Air-cooled |
| Transmission | CVT automatic | Automatic automatic |
| Electric | ||
| Top speed | 115 km/h | 93 km/h |
| Dimensions | ||
| Kerb weight | 126 kg | 115 kg |
| Fuel tank | 5.5 L | 7.4 L |
| Seat height | 790 mm | 770 mm |
| Ground clearance | 145 mm | — |
| Wheelbase | 1350 mm | 1290 mm |
| Length | 1980 mm | 1770 mm |
| Width | 700 mm | 690 mm |
| Height | 1150 mm | 1140 mm |
| Brakes & suspension | ||
| Front brake | Disc, 230 mm, 1 piston caliper | Disc, 200 mm |
| Rear brake | Drum, 130 mm | Drum, 140 mm |
| ABS / CBS | Single Channel ABS | Single Channel ABS |
| Front suspension | Telescopic fork | Hydraulic Single Side Arm Suspension |
| Rear suspension | Unit swing | Hydraulic Shock Absorber |
| Tyres | ||
| Front tyre | 110/80-14 | 110/70-11 |
| Rear tyre | 140/70-14 | 120/70-10 |
Aerox 155 vs S 150: questions people ask
- Which is cheaper, the Aerox 155 or the S 150?
- The Aerox 155 is cheaper by ₹3,517 at the base variant (₹1,46,264 against ₹1,49,781 ex-showroom Delhi).
- What is the on-road price difference between the Aerox 155 and S 150 in Delhi?
- About ₹852: roughly ₹1,72,289 for the Aerox 155 and ₹1,71,437 for the S 150, base variants, including road tax, registration and insurance.





