Aprilia RS 660 vs KTM 390 Adventure S
Aprilia RS 660 vs KTM 390 Adventure S compared on price, mileage, power and specifications — base variant of each, with the on-road price in Chamarajanagar.

Standard · Sport
₹18.96 Lakh ex-showroom
₹23.04 Lakh on-road, Chamarajanagar
View price breakup
Standard · Adventure
₹4.07 Lakh ex-showroom
₹5.00 Lakh on-road, Chamarajanagar
View price breakupAprilia RS 660 vs KTM 390 Adventure S: at a glance
The KTM 390 Adventure S is ₹14.89 Lakh cheaper than the Aprilia RS 660 (₹4.07 Lakh vs ₹18.96 Lakh ex-showroom). The RS 660 takes most powerful, bigger engine and lowest seat. The 390 Adventure S takes lightest.
Aprilia RS 660 vs KTM 390 Adventure S specifications
![]() Aprilia RS 660 | ![]() KTM 390 Adventure S | |
|---|---|---|
| Price & Overview | ||
| Ex-Showroom Price | ₹18.96 Lakh | ₹4.07 Lakh |
| Body Type | Sport | Adventure |
| Category | bike | bike |
| Engine & Performance | ||
| Engine | 659 cc | 399 cc |
| Power | 98.56 bhp | 45.3 bhp |
| Torque | 67 Nm | 39 Nm |
| Transmission | Manual | Manual |
| Top Speed | 230 kmph | - |
| Fuel & Efficiency | ||
| Fuel Type | Petrol | Petrol |
| Mileage | - | 26.5 kmpl |
| Fuel Tank | 15 litres | 14.5 litres |
| Dimensions | ||
| Kerb Weight | 183 kg | 182 kg |
| Seat Height | 820 mm | 830 mm |
| Ground Clearance | - | - |
Figures are for the base variant of each model. Compare specific variants, features and colours →
Aprilia RS 660 vs KTM 390 Adventure S — Frequently Asked Questions
The KTM 390 Adventure S is cheaper: 390 Adventure S (₹4.07 Lakh) vs RS 660 (₹18.96 Lakh) (ex-showroom, base variant). The on-road price adds RTO and insurance and varies by city.
Disclaimer: Prices shown are indicative and may vary. Ex-showroom, road tax, registration, insurance and other charges are subject to change without notice. Please confirm the final on-road price with your nearest authorised dealer before purchase.