By NastyNils·
Motorcycle comparison · Supersport
Kawasaki Ninja ZX-10R KRT (MY2018) vs Ninja ZX-6R (MY2019)
Kawasaki Ninja ZX-10R KRT vs Ninja ZX-6R: fast is a given. What sets them apart isn't.
You'll feel the Kawasaki Ninja ZX-10R KRT hold its real shove for high revs, then it's surging right up to redline. The Kawasaki Ninja ZX-6R's shorter gearing and broader spread move its pull much lower. It's already pulling as you open it mid-corner.
So which one do you buy?
The Ninja ZX-6R has the edge if…
Sporty riding on twisty roads
Slight edge: Ninja ZX-6R
Back-road fun leans slightly toward the Ninja ZX-6R. Most of that is lighter steering and more feel through the bars. It's a narrow call, so trust your test ride.
Racetrack use
Narrow edge: Ninja ZX-6R
The Ninja ZX-6R pulls a nose ahead on track. Don't count on it doing the work for you.
Which one's the smarter buy
No clear advantage
Neither bike is the clear better buy at these used prices. The Ninja ZX-6R costs less, but that doesn't make it the smarter spend.
What makes each one tick
Ninja ZX-10R KRT
There's a scream waiting at the top of the ZX-10R's tach, where its inline-four lunges at every straight. Off the brake lever, the aluminum frame doesn't squirm as the nose snaps into the turn. The bar doesn't stop talking. Those high pegs and the forward crouch wear you down on a long street ride, and the stiff suspension doesn't help. At Barber Motorsports Park, that tucked crouch finally fits.
Nils rode the Ninja ZX-10R KRT in the Eifel in 2018 (NastyNils Testride).
Ninja ZX-6R
The ZX-6R's inline-four doesn't find its voice until past the middle of the tach. Below mid-range the engine is polite but dull. Shorter gearing and a broader powerband change where you can get on the throttle. Its lighter wheels and smaller internals mean the bike flicks between leans at a nudge of the bar. A bump on the street or at a casual track day finds the stock dampers well matched to the bike. The swingarm's working through every bend.
Nils rode the Ninja ZX-6R in Spain in 2019 (NastyNils Testride).
The Voice of Experience
What actually separates them
- The Ninja ZX-6R has the lower wet weight: 432 lb (196 kg) vs 456 lb (207 kg).
- The Ninja ZX-10R KRT makes more peak power: 200 hp (147 kW) vs 130 hp (96 kW).
- The Ninja ZX-10R KRT makes more peak torque: 84 lb-ft (114 Nm) vs 52 lb-ft (71 Nm).
Which one for the way you ride
Comfortable long-distance riding
Not built for this
Both of these get tiring on a long day. A proper tourer will treat you better on big miles.
Nothing splits them on commuting and running costs. Ride both back to back and the decision usually makes itself.
Who each one is built for
What's good, and what you'll live with
Ninja ZX-10R KRT
What owners say
Strengths
- Ferocious top-end power
- Precise, track-focused chassis
- Race-derived electronics package
Trade-offs
- Cramped and aggressive riding position
Ninja ZX-6R
Strengths
- Composed at any speed
- A top end worth chasing
- Nimbler than any liter bike
- Suspension that answers back
- Power you use, not manage
Trade-offs
- Traction control without an IMU
- Quickshifter goes up only
- Not a commuter or a tourer
- Used ones need a history
- Difficult maintenance access
What they cost used
These prices compare a 6-year-old Ninja ZX-10R KRT with a 6-year-old Ninja ZX-6R.
- Ninja ZX-10R KRT
- about $11,300
- Ninja ZX-6R
- about $10,000
At six years old, the Ninja ZX-10R KRT sits around $11,300 while the Ninja ZX-6R lands near $10,000. That's a $1,300 gap. These are estimates from the used market, not live listings.
What they share
- Engine
- Inline-four
- Cooling
- Liquid-cooled
- Fuel capacity
- 4.5 US gal (17 L)
- Gearbox
- 6-speed
- Final drive
- Chain
- Fork
- Upside-down (USD)
Where the spec sheets split
| Ninja ZX-10R KRT | Ninja ZX-6R | |
|---|---|---|
| Seat height | 32.9 in (835 mm) | 32.7 in (830 mm) |
| Wet weight | 456 lb (207 kg) | 432 lb (196 kg) |
| Ninja ZX-10R KRT | Ninja ZX-6R | |
|---|---|---|
| Displacement | 998 cc | 636 cc |
| Power | 200 hp (147 kW) | 130 hp (96 kW) |
| Torque | 84 lb-ft (114 Nm) | 52 lb-ft (71 Nm) |
| Ninja ZX-10R KRT | Ninja ZX-6R | |
|---|---|---|
| Front tire | 120/70-17 | 120/70 ZR17 (OEM: Bridgestone Battlax Hypersport S22) |
| Rear tire | 190/55-17 | 180/55 ZR17 (OEM: Bridgestone Battlax Hypersport S22) |
| Wheelbase | 56.7 in (1440 mm) | 55.1 in (1400 mm) |
What comes fitted, what costs extra
| Ninja ZX-10R KRT | Ninja ZX-6R | |
|---|---|---|
| ABS | Standard | Option |
| Cornering ABS | Standard | Not offered |
| Ride Modes | Standard | Not offered |
| Wheelie Control | Standard | Not offered |
| Launch Control | Standard | Not offered |
| Steering Damper | Standard | Not offered |
| LED Headlight | Not offered | Standard |
Head to head, area by area
Both bikes on the same scale, one area at a time.
