The 2015 Triumph Street Triple is a popular naked sportbike known for its thrilling performance and agile handling. Launched in 2007, this model year continues the lineage of accessible yet exciting middleweight motorcycles. It typically features a DOHC inline-three cylinder engine. The Street Triple is celebrated for its playful character, making it a favorite among riders seeking an engaging street-focused machine. Pricing for a used 2015 model can range significantly based on condition and mileage, generally from $5,000 to $8,000.
The Good
The 2015 Triumph Street Triple excels with its punchy engine, razor-sharp handling, and agile chassis, offering exhilarating rides. Its upright riding position enhances comfort for longer journeys, while its distinctive, aggressive styling turns heads. It provides excellent value for money, delivering premium performance without a premium price tag, appealing to both thrill-seekers and budget-conscious riders.
The Bad
Potential owners of the 2015 Triumph Street Triple should be aware of a slightly firm suspension setup, which may not suit all riders on rougher roads. Some owners report occasional minor electrical gremlins, and the stock seat can become uncomfortable on extended rides for some. Regular maintenance is crucial to ensure optimal performance.
2015 Triumph Street Triple: Quick Overview
- Engine: 675cc liquid-cooled, 12-valve, DOHC, inline 3-cylinder
- Horsepower: Approximately 78 hp at 9,200 rpm
- Torque: Approximately 47.2 lb-ft at 7,750 rpm
- Fuel Economy: Estimated around 45-50 mpg (combined), though this can vary significantly with riding style.
- 0-60 mph: Roughly 3.6 seconds. This is a quick motorcycle for its class.
- Towing Capacity: Not applicable. This is a motorcycle designed for solo riding or with a passenger, not for towing.
- Trim-Level Features: The 2015 model was primarily offered in a standard Street Triple and the Street Triple R.
- Standard Street Triple Features:
- Single round headlight
- Digital instrument cluster with trip computer
- Adjustable front suspension (pre-load)
- Adjustable rear suspension (pre-load and rebound damping)
- Standard ABS (anti-lock braking system) on many models, often switchable.
- Street Triple R Features (in addition to or upgraded from standard):
- More aggressive styling
- Upgraded front and rear suspension (fully adjustable, often higher quality components like Kayaba or Showa)
- Higher specification brakes (e.g., radial-mount Nissin calipers)
- Distinctive red accents on subframe and wheels
- Optional quickshifter available on some later models, though less common for the 2015 year itself.
- Brakes: Dual 310mm discs with two-piston Nissin calipers (front), Single 220mm disc with two-piston caliper (rear). The 'R' model usually features radial-mount calipers.
- Transmission: 6-speed
- Fuel System: Multipoint sequential electronic fuel injection with SAI
- Frame: Twin-spar extruded aluminium
2015 Triumph Street Triple Specifications
Vehicle Information
| Year | 2015 |
| Make | Triumph |
| Model | Street Triple |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | United Kingdom |
| Manufacturing City | CHONBURI |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 675cc I3 |
| Engine Size | 675L |
| Engine Cylinders | 3 |
| 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 2015 Triumph Street Triple Have?
The 2015 Triumph Street Triple generally enjoys a reputation for good reliability, benefiting from Triumph's robust engineering. However, like many motorcycles, there are a few commonly reported issues that owners might encounter. One area that has seen some discussion is related to the **throttle position sensor (TPS)**. A faulty TPS can lead to erratic idling, poor throttle response, or even stalling. This is not exclusive to the 2015 model but has been a concern for the Street Triple range across several years.
Another point some owners have noted is the **clutch slave cylinder**. While not a widespread catastrophic failure, some users have reported leaks or premature wear, necessitating replacement. This is a relatively inexpensive part to replace, but it's something to keep an eye on during pre-purchase inspections.
Electrical gremlins, while not rampant, can sometimes surface. This might manifest as dashboard lights flickering, minor issues with the starter, or problems with accessories if fitted. These are often traced to loose connections or failing relays rather than fundamental design flaws. Ensuring the battery is in good health and all connections are clean and tight is a good preventative measure.
Fueling issues, particularly at lower RPMs, have also been occasionally mentioned. This can sometimes be related to the TPS or require an ECU reflash. Triumph has released software updates over the years to improve the fueling characteristics of these engines.
In terms of recalls, it's essential to check the specific VIN of any 2015 Street Triple with Triumph's official recall database or the relevant national authority (like the NHTSA in the US). While no major widespread recalls were particularly prominent for the 2015 model, minor safety-related campaigns can occur. For example, a recall might affect a specific batch of components like brake lines or fasteners. Generally, the powertrain and chassis are considered very durable and reliable when properly maintained. Long-term reliability is strong, with many owners reporting hundreds of thousands of miles with only routine maintenance and the occasional part replacement.
How long will the 2015 Triumph Street Triple last?
With diligent maintenance, the 2015 Triumph Street Triple is capable of achieving significant mileage, often exceeding 100,000 miles. Many owners report comfortably reaching 50,000 to 70,000 miles with only routine servicing. The inline-three engine is known for its durability and smooth power delivery. Weaknesses that might appear over time include wear on consumables like the clutch and chain/sprockets, which are expected for any motorcycle. Suspension components may eventually require servicing or replacement, and some electrical connections could degrade with age and exposure to the elements. However, the core mechanicals, including the engine and gearbox, are very robust. Regular oil changes, chain lubrication, and valve clearance checks are key to maximizing its lifespan and ensuring long-term reliability. The aluminum frame is also very durable and resistant to corrosion.
What Technology & Safety Features are Included?
The 2015 Triumph Street Triple prioritizes rider engagement over extensive electronic rider aids, which aligns with its sporty naked bike ethos. For technology, the bike features a **digital instrument cluster**. This display typically includes a speedometer, tachometer, gear position indicator, clock, fuel gauge, trip meters, and a lap timer. While not a full TFT display like on newer models, it's clear and functional, providing essential information to the rider. Navigation systems or infotainment are not built-in features, as this bike is focused on the riding experience.
In terms of driver-assistance, the 2015 Street Triple offers **switchable ABS (Anti-lock Braking System)** as a standard or optional feature depending on the market and specific trim. This is the primary safety technology, significantly enhancing stopping power and control, especially in emergency situations or on slippery surfaces. The ABS can typically be deactivated by the rider, allowing for more control in track-day scenarios or for experienced riders who prefer to manage braking entirely themselves.
Optional features that might have been available at the time of purchase or added later include **Triumph's Quickshifter**, which allows for clutchless upshifts, enhancing performance and rider convenience. Heated grips were also sometimes offered as an accessory, improving comfort during cooler weather riding.
Regarding crash-test ratings, formal motorcycle crash testing is not conducted in the same manner as for cars. Therefore, official crash-test ratings are not available for the 2015 Triumph Street Triple. However, the bike's design incorporates safety considerations. The twin-spar aluminum frame provides excellent rigidity and impact absorption. The front brake system is powerful and well-modulated, and the rear brake contributes to overall stability. The bike's relatively light weight and nimble handling also contribute to its active safety, allowing riders to avoid potential hazards more easily. The presence of switchable ABS is its most significant safety feature.
What Colors Options are Available?
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2015 Triumph Street Triple Prices and Market Value
When new, the 2015 Triumph Street Triple typically retailed in the range of $7,500 to $9,000 USD, depending on the trim level (standard vs. R) and optional accessories. Current used market prices for a 2015 model are generally found between $5,000 and $8,000, heavily influenced by mileage, condition, maintenance history, and whether it's the base or 'R' variant. The Street Triple depreciates at a moderate pace; it's a desirable motorcycle, so it holds its value better than some competitors. Key factors affecting resale value include how well the bike has been maintained (service records are crucial), any modifications (factory-approved accessories are better than aggressive aftermarket changes), cosmetic condition, and overall mechanical health. Low mileage examples in pristine condition will command higher prices.
2015 Triumph Street Triple Cost of Ownership
Owning a 2015 Triumph Street Triple is generally considered moderately economical. Insurance costs can vary based on rider profile, location, and coverage, but expect rates typical for a sportbike in its class. Fuel efficiency is a strong point, with the 675cc engine achieving around 45-50 mpg, making fuel costs reasonable. Maintenance is straightforward; regular oil changes, chain lubing, and brake checks are essential. Valve adjustments are needed periodically but are not excessively frequent. Repair costs for common parts are competitive, though specialized Triumph parts can be pricier than those for some Japanese brands. Overall, it strikes a good balance between performance and ownership costs, not being excessively expensive to run.
2015 Triumph Street Triple Fuel Efficiency
Fuel Type
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Fuel Capacity
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City Mileage
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Highway Mileage
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2015 Triumph Street Triple 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
2015 Triumph Street Triple Insurance
Insurance for a 2015 Triumph Street Triple is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2015 Triumph Street Triple Compare to Other Motorcycle?
The 2015 Triumph Street Triple sits in a competitive segment of middleweight naked sportbikes. Its primary rivals include the Yamaha MT-07, Kawasaki Z800 (or Z750 in some markets), and the KTM 690 Duke.
Performance: The Street Triple's 675cc inline-three engine offers a characterful power delivery with a strong mid-range punch and an engaging top-end rush, producing around 78 hp. It's incredibly agile and communicative, making it a joy on twisty roads. The Yamaha MT-07 offers a parallel-twin engine with a different torque curve, often described as more user-friendly and accessible for beginners, with around 75 hp. The Kawasaki Z800 is heavier and more focused on brute torque with its inline-four, producing around 95 hp, offering a more muscular, less nimble feel. The KTM 690 Duke, with its single-cylinder engine, delivers punchy, torquey performance (around 67 hp) with a distinct character, often lauded for its raw, sporty feel.
Features: The Street Triple typically offers good features for its class, with a digital dash and optional ABS. The 'R' version adds higher-spec suspension and brakes. The MT-07 is simpler in terms of features, often lacking ABS as standard on base models and having a more basic suspension. The Z800 can be well-equipped depending on the market. The KTM 690 Duke often boasts advanced electronics for its time and excellent suspension components.
Reliability: Triumph generally has good reliability, and the Street Triple is well-regarded. Yamaha's MT-07 is known for its bulletproof reliability and low maintenance needs. Kawasaki's Z models are typically solid but can be more complex. KTMs, while high-performance, can sometimes require more specialized maintenance and may have a slightly higher propensity for minor issues compared to Japanese counterparts, though they are becoming increasingly reliable.
Price: The 2015 Street Triple was competitively priced. Used, it offers excellent value. The Yamaha MT-07 was often positioned as a more budget-friendly option when new and remains so on the used market. The Kawasaki Z800 was typically priced higher. The KTM 690 Duke was usually at the premium end of the price spectrum.
Recommendations:
* Similar Alternatives: Yamaha MT-07 (more beginner-friendly, great value), Kawasaki Z800 (more power, heavier feel).
* Better Alternatives (depending on preference): If raw, single-cylinder punch is desired, the KTM 690 Duke is a strong contender. If a more refined, touring-oriented middleweight is preferred, consider something like the Kawasaki Ninja 650 or a used Honda NC750S.
The 2015 Triumph Street Triple remains an excellent choice for its blend of accessible performance, sharp handling, and engaging character. It punches above its weight in terms of fun factor.
Final Verdict: Is the 2015 Triumph Street Triple a Good Motorcycle?
The 2015 Triumph Street Triple is ideal for intermediate riders looking to step up from a smaller bike, or experienced riders seeking a fun, agile, and engaging machine for commuting, spirited weekend rides, or even occasional track days. It's particularly suited for those who prioritize handling and engine character over outright power or extensive electronic rider aids. The 'R' trim offers enhanced suspension and braking for those who demand a bit more performance. It is absolutely worth buying, especially on the used market where it represents fantastic value. Buying used is the primary condition, as new models are no longer available. Inspecting a used model thoroughly for maintenance history and any common issues is advised, but a well-maintained 2015 Street Triple remains a rewarding and capable motorcycle.
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.