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2021 Suzuki GSX-R750 Overview, Reviews, Ratings & Specs

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Eugene S | September 30, 2025
The 2021 Suzuki GSX-R750 is a legendary supersport motorcycle, tracing its lineage back to the mid-1980s. This iconic sportbike blends the agility of a 600cc machine with the potent power delivery closer to a liter-bike. Known for its distinct full-fairing body style, the GSX-R750 has seen continuous refinement over several generations, though the core platform for this specific model year remained largely unchanged since 2011. It's offered in a single trim with various color schemes. With a new price typically around $12,500-$13,000, it stands out for its "sweet spot" engine size, offering exhilarating performance without being overly intimidating, making it immensely popular among track enthusiasts and street riders alike.
The Good

Its primary advantages include exceptional performance with a superb power-to-weight ratio, allowing for thrilling acceleration and precise handling. Suzuki's reputation for robust reliability provides peace of mind. The ergonomics strike a reasonable balance for a sportbike, offering decent comfort for spirited riding. Its timeless design remains aggressive and appealing. It provides fantastic value, bridging the gap between 600cc and 1000cc classes effectively for both passionate riders and those seeking a dependable, high-performing machine.

The Bad

Weaknesses include a lack of modern electronic rider aids like IMU-based traction control or quick-shifters, which are common on newer rivals. The suspension, while good, could benefit from more adjustability for serious track use. Comfort can still be demanding on long rides due to its aggressive posture. The design, while classic, hasn't significantly evolved in over a decade, feeling dated to some.

2021 Suzuki GSX-R750: Quick Overview

Engine:

  • Engine Type: 750cc, 4-stroke, liquid-cooled, DOHC, 16-valve, inline-four
  • Bore x Stroke: 70.0 mm x 48.7 mm
  • Compression Ratio: 12.5:1
  • Fuel System: Suzuki Dual Throttle Valve (SDTV) fuel injection
  • Starter: Electric
  • Lubrication: Wet sump

Performance:
  • Horsepower: Approximately 150 hp at 13,200 rpm (crankshaft) / 130-135 hp at the wheel
  • Torque: Approximately 63 lb-ft at 11,200 rpm
  • 0-60 mph: Roughly 3.0-3.2 seconds, depending on rider and conditions
  • Top Speed: Exceeds 160 mph (electronically limited in some regions, or aerodynamically limited)

Transmission:
  • 6-speed constant mesh
  • Drive: Chain

Chassis:
  • Front Suspension: 41mm Showa Big Piston Front forks (BPF) with adjustable compression and rebound damping, and spring preload
  • Rear Suspension: Showa monoshock with adjustable compression and rebound damping, and spring preload
  • Front Brakes: Brembo Monobloc, 4-piston radial-mount calipers with 310mm dual discs
  • Rear Brake: Nissin, 1-piston caliper with single 220mm disc
  • Tires: Front 120/70ZR17M/C, Rear 180/55ZR17M/C

Dimensions & Capacity:
  • Curb Weight: Approximately 419 lbs (190 kg)
  • Fuel Capacity: 4.5 US gallons (17.0 liters)
  • Wheelbase: 54.7 inches (1,390 mm)
  • Seat Height: 31.9 inches (810 mm)

Fuel Economy:
  • Estimated around 37-40 MPG (US), depending on riding style and conditions.

Towing Capacity:
  • Not applicable for this motorcycle.

Trim-Level Features:
  • The 2021 Suzuki GSX-R750 is offered in a single base trim level, focusing on its core performance.
    Key features include:
  • Suzuki Drive Mode Selector (S-DMS): Two engine mapping settings for different riding conditions.
  • Full LCD instrumentation panel with gear position indicator, lap timer, dual trip meters, and fuel gauge.
  • Stylized multi-reflector headlights and LED taillight.
  • Aluminum twin-spar frame and swingarm.
  • Race-inspired bodywork for optimal aerodynamics.
  • Available in various color schemes.
  • No major optional packages or higher trims; customization is typically done via aftermarket parts.

2021 Suzuki GSX-R750 Specifications

Vehicle Information
Year 2021
Make Suzuki
Model GSX-R750
Trim -
Style -
Type Motorcycle
Category Motorcycle
Manufacturing Details
Made In Japan
Manufacturing City HAMAMATSU
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 750-CC
Engine Size 750L
Engine Cylinders 4
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain -
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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What Problems Does the 2021 Suzuki GSX-R750 Have?

The 2021 Suzuki GSX-R750, being part of a long-standing and mature platform, generally exhibits strong reliability. Major systemic issues are rare. However, like any high-performance motorcycle, specific points require attention. Owners occasionally report minor electrical glitches, such as intermittent dashboard lights or sensor malfunctions, though these are not widespread.

Fuel pump issues have been reported on older GSX-R models, but by 2021, these were largely resolved. Similarly, stator and rectifier problems, common on some earlier Suzuki models, are much less prevalent in the current generation GSX-R750 due to design improvements.

Recalls specific to the 2021 model year GSX-R750 are generally minimal. Owners should always check the NHTSA database for any potential recalls that may arise, but no significant widespread safety recalls have plagued this particular year. Any minor recalls would likely involve components like brake lines or electrical harnesses, which are typically addressed promptly by Suzuki dealerships.

Long-term reliability concerns mostly revolve around standard wear and tear items consistent with aggressive riding, such as brake components, chain and sprockets, and suspension seals. The engine itself is remarkably robust, often exceeding 50,000 miles or more with proper maintenance. Valves typically maintain their clearances well, and major engine rebuilds are not a common necessity unless the bike has been abused or improperly maintained. Fork seals can eventually leak, particularly if the bike sees track use or frequent rough roads. Overall, the 2021 GSX-R750 maintains Suzuki's reputation for building durable and reliable sportbikes. Its 'bulletproof' engine design is a testament to its longevity.

How long will the 2021 Suzuki GSX-R750 last?

With diligent maintenance, a 2021 Suzuki GSX-R750 can easily serve for 10-15 years or achieve 50,000 to 70,000 miles and beyond. Many owners report engines performing flawlessly even at higher mileages, a testament to Suzuki's robust engineering. The inline-four engine is renowned for its durability. Long-term durability is excellent, primarily thanks to its proven, relatively unchanged platform. Weaknesses over time usually involve consumables: chain and sprockets need regular replacement, brake pads and fluid refresh, and suspension components may require rebuilding (fork seals, shock revalve) after significant mileage or hard use. Electrical connections can sometimes corrode if not protected, and cosmetic wear like fairing scratches or faded paint is common. Overall, it's a durable machine built to last.

What Technology & Safety Features are Included?

The 2021 Suzuki GSX-R750, while a high-performance sportbike, prioritizes raw riding experience over an extensive suite of electronic rider aids found on more contemporary, premium models. Its built-in tech is functional and rider-focused rather than comfort-oriented.

Built-in Tech & Driver Assistance:
  • Suzuki Drive Mode Selector (S-DMS): This is the primary rider aid. It offers two distinct engine output settings ("A" and "B" modes) that allow the rider to adjust power delivery characteristics to suit riding conditions or personal preference. "A" mode provides full power with a sharp throttle response, ideal for track or aggressive street riding. "B" mode softens the throttle response for smoother power delivery, useful in wet conditions or urban environments. This is a basic, but effective, form of power management.
  • Advanced Instrumentation: The dashboard features a multi-function LCD display that includes a gear position indicator, speedometer, tachometer, odometer, dual trip meters, fuel gauge, clock, and a lap timer, providing essential information at a glance. It also includes an adjustable shift light.
  • Engine Management System: Suzuki's advanced Engine Control Module (ECM) optimizes fuel injection and ignition for smooth throttle response and efficient combustion.
  • Suzuki Exhaust Tuning (SET) System: A servo-controlled butterfly valve in the exhaust pipe helps maximize torque and throttle response at various engine speeds.

Entertainment Features:
  • There are no built-in entertainment features (e.g., audio systems, smartphone connectivity displays) on the 2021 GSX-R750. Its focus is purely on riding performance.

Safety Features:
  • Powerful Braking: Equipped with radial-mount Brembo monobloc front calipers and large discs, providing strong and consistent stopping power. The rear brake is a Nissin single-piston caliper.
  • Showa Suspension: Fully adjustable Showa Big Piston Front forks (BPF) and a Showa rear monoshock contribute to excellent handling and stability, which are crucial safety aspects for a performance bike.
  • ABS: While some markets or models might have offered ABS as an option or standard on specific model years, the 2021 GSX-R750 for many markets did not come standard with ABS. This is a notable omission compared to most modern sportbikes.

Optional Features:
  • Beyond dealer-installed accessories (e.g., frame sliders, exhaust upgrades), there are no factory-installed optional tech or safety packages for the GSX-R750. It comes in a single specification with color choices.

Crash-Test Ratings:
  • Motorcycles are not typically subjected to the same standardized crash-test ratings (like NHTSA or IIHS) as automobiles. Therefore, specific "crash-test ratings" for the 2021 Suzuki GSX-R750 are not available.

What Colors Options are Available?

We’re working on this section!
In the meantime, feel free to explore the other sections for more content.

2021 Suzuki GSX-R750 Prices and Market Value

When new, the 2021 Suzuki GSX-R750 typically retailed for around $12,599 to $12,899 MSRP, depending on color scheme and destination charges. As of late 2023/early 2024, current used market prices vary significantly based on mileage, condition, and location. Expect to see well-maintained 2021 models ranging from $9,000 to $11,500.

Depreciation for the GSX-R750 is relatively stable compared to some other sportbikes. Its "goldilocks" status and proven reliability help it hold value. Factors affecting resale value include low mileage, pristine cosmetic condition (absence of scratches, dents, or crash damage), a clean title, and a comprehensive service history. The presence of desirable, tasteful aftermarket modifications (like a quality exhaust or suspension upgrade) can sometimes slightly boost value, but excessive or poorly installed mods can detract. Conversely, high mileage, signs of neglect, or track use will significantly reduce its market price. The lack of modern electronics also impacts its relative value against newer, more tech-laden competitors.

2021 Suzuki GSX-R750 Cost of Ownership

Owning a 2021 Suzuki GSX-R750 can be moderately costly, leaning towards the higher side for insurance. Insurance premiums are significant due to its supersport classification and high theft rates for sportbikes, especially for younger or less experienced riders. Fuel economy, around 37-40 MPG, is decent for its performance, but premium fuel is required.

Maintenance is relatively straightforward but requires specialized tools and expertise for complex tasks. Regular oil changes, chain adjustments, and tire replacements are standard. Repair costs for specific, performance-oriented components like brakes or suspension can be higher than for standard motorcycles. Long-term ownership costs are manageable if well-maintained, but neglect can quickly escalate expenses. It's not an "economical" commuter; it's a performance machine with associated performance-level costs.

2021 Suzuki GSX-R750 Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity -
City Mileage -
Highway Mileage -

2021 Suzuki GSX-R750 Warranty

Basic
Original warranty 0 months / No data
Estimated remaining Expired
Powertrain
Original warranty 0 months / No data
Estimated remaining Expired
Rust
Original warranty 0 months / No data
Estimated remaining Expired

2021 Suzuki GSX-R750 Insurance

Insurance for a 2021 Suzuki GSX-R750 is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.

How Does the 2021 Suzuki GSX-R750 Compare to Other Motorcycle?

The 2021 Suzuki GSX-R750 effectively sits in a unique niche, bridging the gap between 600cc and 1000cc sportbikes.

Vs. 600cc Supersports (e.g., Yamaha YZF-R6, Kawasaki ZX-6R, Honda CBR600RR):
  • Performance: The GSX-R750 significantly outperforms 600s in torque and mid-range power, making it more tractable and less frantic on the street while still being incredibly potent on track. It offers a noticeable power advantage without a huge weight penalty.
  • Features: It often lacks the advanced electronics (e.g., IMU-based traction control, cornering ABS, quick-shifter) that some modern 600s like the ZX-6R (which has KQS and KTRC) and the latest R6 (which had advanced electronics) offer. The GSX-R750's S-DMS is more basic.
  • Reliability: Suzuki's 750cc engine is known for its legendary reliability, arguably on par with or even exceeding some 600s due to less extreme engine tuning for its displacement.
  • Price: New, it was generally priced slightly higher than 600s, reflecting its power advantage. Used, its value holds well.

Vs. 1000cc Superbikes (e.g., Suzuki GSX-R1000, Yamaha YZF-R1, Kawasaki ZX-10R):
  • Performance: While the 750 is fast, it can't match the outright horsepower and top-end speed of a liter bike. However, it often feels more agile and easier to manage, especially on twisty roads or tighter tracks, due to its lighter weight and less intimidating power delivery.
  • Features: This is where the 750 shows its age. Modern liter bikes are packed with sophisticated electronics – lean-sensitive ABS, multi-level traction control, wheelie control, slide control, ride modes, TFT displays, quick-shifters, and more. The GSX-R750 has none of these.
  • Reliability: The 750 is generally considered extremely reliable, potentially even more so than high-strung liter bikes that push technological boundaries. Its simpler nature can be an asset for longevity.
  • Price: Significantly more affordable than liter bikes, both new and used, offering a fantastic performance-to-cost ratio.

Alternatives:
  • Kawasaki ZX-6R (636cc): A strong alternative if you want more modern electronics (traction control, quick-shifter) and a bit more mid-range than a typical 600, while still being very nimble.
  • Older Suzuki GSX-R1000: For similar pricing in the used market, you could get an older liter bike, but you'd trade agility for raw power and likely an even older tech package.
  • Yamaha YZF-R7: A newer, more street-oriented "middleweight" sportbike, but not in the same performance league as the GSX-R750 – it focuses more on torque and usability.

The GSX-R750 is a unique proposition, a sweet spot for those who want more than a 600 but don't need (or want to pay for) a full liter bike, especially if modern electronic aids aren't a top priority.

Final Verdict: Is the 2021 Suzuki GSX-R750 a Good Motorcycle?

The 2021 Suzuki GSX-R750 is ideal for experienced riders seeking a "goldilocks" sportbike that perfectly balances agile handling with potent, usable power. It's fantastic for track day enthusiasts who appreciate analogue riding dynamics without excessive electronic intervention. It also appeals to street riders who desire exhilarating performance without the often-overkill power of a liter-bike.

It is absolutely worth buying, especially as a used model. Given its mature platform and lack of significant updates post-2021, purchasing a well-maintained used example offers excellent value compared to new. Since there's only one trim, the decision is primarily based on condition, mileage, and color. It's less suited for beginners or those prioritizing the latest safety electronics, long-distance touring comfort, or fuel economy above all else. For a purist seeking a capable, reliable, and engaging sportbike experience that's more manageable than a liter-bike, the GSX-R750 remains an outstanding choice.

2021 Suzuki GSX-R750 Owner Reviews

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Eugene S

Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.