By NastyNils·
Motorcycle comparison · Naked Bike vs Supersport
Suzuki GSX-8TT (MY2025) vs GSX-8R (MY2024)
Suzuki GSX-8TT vs GSX-8R: two kinds of bike, and who each one is for.
Roll across broken pavement on the Suzuki GSX-8TT and it doesn't flinch. The Suzuki GSX-8R's shock only lets you set preload.
So which one do you buy?
Buy the GSX-8TT if…
Daily commuting & city riding
Better bet: GSX-8TT
When the bike has to work for a living, the GSX-8TT wins the commute clearly.
The GSX-8R has the edge if…
Sporty riding on twisty roads
Nose ahead: GSX-8R
Back-road fun leans slightly toward the GSX-8R. It's a narrow call, so trust your test ride.
What makes each one tick
GSX-8TT
A long wheelbase and calm suspension tuning keep the GSX-8TT's chassis settled as the pace picks up. Down low the twin pulls clean, though it's out of breath well before the redline. Trailing the brake lever into a bend doesn't upset it. It slows and holds its line.
GSX-8R
There's torque from low revs in the GSX-8R's twin, with a V-twin-like thump behind it. Up top, it goes soft. At a hard corner entry on a backroad, the peg feelers don't take long to touch down. High clip-ons keep you sitting up through a full day.
The Voice of Experience
What actually separates them
- The GSX-8TT has the larger fuel tank: 4.3 US gal (16.3 L) vs 3.7 US gal (14 L).
- Front Suspension Adjustable: standard on the GSX-8R, not offered on the GSX-8TT.
- Smartphone Connectivity: standard on the GSX-8R, not offered on the GSX-8TT.
Which one for the way you ride
Comfortable long-distance riding
Neither is a natural fit
Hours in the saddle won't flatter either of these. They're happier on shorter runs.
Look at running costs and a first bike and you'll find two bikes doing the same job equally well. Fit is what breaks the tie.
Who each one is built for
What's good, and what you'll live with
GSX-8TT
What owners say
Strengths
- Planté feel and confident handling
- Retro styling with modern details
- Smooth, characterful parallel-twin
- Comfortable ergonomics and weather protection
- Generous electronics package
Trade-offs
- Basic non-adjustable front suspension
- Could use more top-end power
GSX-8R
What owners say
Strengths
- Strong low-mid torque from the 270° parallel-twin
- Easy-going ergonomics for a fully-faired sport bike
- 5-inch TFT display quality
Trade-offs
- Fork is fully non-adjustable, rear shock preload-only
- Limited ground clearance under sport riding
- OEM Dunlop Roadsport 2 tires criticized for grip and rapid rear wear
- Soft top-end engine response
- Wind buffeting at sustained highway speed
Known problems to check before you buy
GSX-8TT
No confirmed faults on file yet. That's not the same as fault-free.
GSX-8R
- Front fork fully non-adjustable; rear shock adjustable for preload only The Showa SFF-BP fork has no compression, rebound, or preload adjustment from the factory. The link-mounted Showa rear shock is preload-adjustable only. Heavier riders, two-up riders, and trackday users describe this as a meaningful limitation. Aftermarket fork-internal kits (e.g., Andreani, Matris) and full shock replacements are common upgrade paths.
What they cost used
These prices compare a 1-year-old GSX-8TT with a 1-year-old GSX-8R.
- GSX-8TT
- about $10,500
- GSX-8R
- about $9,000
At one year old, the Suzuki GSX-8TT sits around $10,500 while the Suzuki GSX-8R lands near $9,000. That's a $1,500 gap in the GSX-8R's favor. These are estimates from the used market, not live listings.
What they share
- Seat height
- 31.9 in (810 mm)
- Displacement
- 776 cc
- Engine
- Parallel twin
- Cooling
- Liquid-cooled
- Peak power at
- 8,500 rpm
- Torque
- 58 lb-ft (78 Nm)
- Peak torque at
- 6,800 rpm
- Gearbox
- 6-speed
- Final drive
- Chain
- Fork
- Upside-down (USD)
- Front brake
- 310 mm
- Front tire
- 120/70-17
- Rear tire
- 180/55-17
Where the spec sheets split
| GSX-8TT | GSX-8R | |
|---|---|---|
| Wet weight | 448 lb (203 kg) | 452 lb (205 kg) |
| GSX-8TT | GSX-8R | |
|---|---|---|
| Power | 83 hp (61 kW) | 82 hp (60 kW) |
| GSX-8TT | GSX-8R | |
|---|---|---|
| Fuel capacity | 4.3 US gal (16.3 L) | 3.7 US gal (14 L) |
| GSX-8TT | GSX-8R | |
|---|---|---|
| Wheelbase | 57.7 in (1466 mm) | 57.7 in (1465 mm) |
What comes fitted, what costs extra
| GSX-8TT | GSX-8R | |
|---|---|---|
| Front Suspension Adjustable | Not offered | Standard |
| Smartphone Connectivity | Not offered | Standard |
| USB Charging Port | Standard | Option |
Head to head, area by area
Both bikes on the same scale, one area at a time.
