Which is more powerful, RS 660 or 390 Adventure X?

The Aprilia RS 660 makes more power: RS 660 (98.56 bhp) vs 390 Adventure X (45.3 bhp).

Which is lighter, RS 660 or 390 Adventure X?

The KTM 390 Adventure X is the lighter bike: 390 Adventure X (181 kg) vs RS 660 (183 kg) kerb weight.

Aprilia RS 660 vs KTM 390 Adventure X

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

Aprilia RS 660

Standard · Sport

₹18.96 Lakh ex-showroom

₹23.04 Lakh on-road, Mangalore

View price breakup

KTM 390 Adventure X

Cruise Control · Adventure

₹3.51 Lakh ex-showroom

₹4.33 Lakh on-road, Mangalore

View price breakup

Aprilia RS 660 vs KTM 390 Adventure X: at a glance

The KTM 390 Adventure X is ₹15.45 Lakh cheaper than the Aprilia RS 660 (₹3.51 Lakh vs ₹18.96 Lakh ex-showroom). The RS 660 takes most powerful, bigger engine and lowest seat. The 390 Adventure X takes lightest.

Cheapest390 Adventure X — 390 Adventure X (₹3.51 Lakh) vs RS 660 (₹18.96 Lakh)

Most powerfulRS 660 — RS 660 (98.56 bhp) vs 390 Adventure X (45.3 bhp)

Bigger engineRS 660 — RS 660 (659 cc) vs 390 Adventure X (399 cc)

Lightest390 Adventure X — 390 Adventure X (181 kg) vs RS 660 (183 kg)

Lowest seatRS 660 — RS 660 (820 mm) vs 390 Adventure X (825 mm)

Aprilia RS 660 vs KTM 390 Adventure X specifications

	Aprilia RS 660	KTM 390 Adventure X
Price & Overview
Ex-Showroom Price	₹18.96 Lakh	₹3.51 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	-	28 kmpl
Fuel Tank	15 litres	14.5 litres
Dimensions
Kerb Weight	183 kg	181 kg
Seat Height	820 mm	825 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 X — Frequently Asked Questions

The KTM 390 Adventure X is cheaper: 390 Adventure X (₹3.51 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.