What is the engine displacement of the 1948 Triumph Speed Twin 5T?

The 1948 Triumph Speed Twin 5T has an engine displacement of 498.00 ccm (30.39 cubic inches).

How much horsepower does the 1948 Triumph Speed Twin 5T have?

The 1948 Triumph Speed Twin 5T produces 27.00 HP (19.7 kW)) @ 6300 RPM of power.

1948 Triumph Speed Twin 5T Price, Specs, Review

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Review

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The Triumph Speed Twin 5T 1948 is a legendary motorcycle that holds a special place in the hearts of motorcycle enthusiasts. Launched after World War II, it was a true game-changer in the industry, setting the standard for what a modern motorcycle should be. The Speed Twin 5T was known for its innovative design, featuring a parallel-twin engine that provided a perfect balance of power and smoothness. This revolutionary engine design became a hallmark of Triumph motorcycles for years to come. One of the key features of the Triumph Speed Twin 5T 1948 was its exceptional performance capabilities. With a top speed of around 90 mph, it was considered one of the fastest bikes of its time. The handling and agility of the Speed Twin were also praised, making it a joy to ride on both city streets and open roads. Additionally, the classic styling of the bike has stood the test of time, with its iconic lines and chrome accents still turning heads today. In terms of value, the Triumph Speed Twin 5T 1948 is a highly sought-after collector's item. Its historical significance, coupled with its timeless design and solid performance, make it a prized possession for motorcycle enthusiasts and collectors alike. Owning a Speed Twin is not just about having a piece of motorcycle history, but also about experiencing the thrill and excitement that this iconic bike can still deliver on the road.

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Pros (Advantages)
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✅ Why buy this bike?

The Triumph Speed Twin 5T 1948 was one of the pioneering motorcycles that popularized the concept of the parallel-twin engine configuration, which provided a smooth and balanced power delivery.

Its classic design and styling have stood the test of time, making it a highly sought-after vintage motorcycle among collectors and enthusiasts.

The 500cc engine of the Speed Twin 5T 1948 offered a good balance of power and torque, making it a versatile bike for both city commuting and highway cruising.

The handling and maneuverability of the Triumph Speed Twin 5T 1948 were praised for being nimble and responsive, providing an enjoyable riding experience.

Its reputation for reliability and durability has cemented its place in motorcycle history as a timeless classic that continues to be admired by riders around the world.

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Cons (Disadvantages)
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⚠️ Things to consider

Limited customization options compared to modern motorcycles.

Older technology may lead to higher maintenance costs.

Reduced performance compared to newer models.

Limited availability of spare parts may make repairs challenging.

Lack of modern safety features such as ABS or traction control.

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Alternatives
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⚖️ Comparison & Competition

Harley-Davidson Sportster Iron 883: The Sportster Iron 883 offers a classic American cruiser style with a punchy V-twin engine, making it a popular choice for riders looking for a blend of nostalgia and modern performance.

Ducati Scrambler Icon: The Scrambler Icon combines retro styling with Italian flair, featuring a nimble chassis and a torquey V-twin engine that excels in urban environments and light off-road adventures.

BMW R nineT: The R nineT is a premium retro-styled motorcycle with a powerful boxer engine, customizable options, and top-notch build quality, appealing to riders who value craftsmanship and performance.

Yamaha XSR900: The XSR900 is a modern classic with a sporty edge, boasting a high-revving inline-triple engine, agile handling, and a distinctive neo-retro design that attracts riders seeking a blend of performance and style.

Moto Guzzi V7 III Stone: The V7 III Stone is an Italian cruiser with a unique transverse V-twin engine layout, offering a smooth power delivery, relaxed riding position, and a timeless design that appeals to riders looking for a distinctive and characterful motorcycle

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License Class (EU)
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The Triumph Speed Twin 5T produces 27 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

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Fuel Economy & Running Costs
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Estimated average for 498cc class: 45-60 mpg (4.0-5.5 L/100km)

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Insurance Class
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Insurance grouping for Triumph Speed Twin 5T (498cc):

📋 Group 8-15 — mid-range

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Insurance Calculator (UK est.)
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Personalised premium estimate for the Triumph Speed Twin 5T (UK rates):

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💡 Estimate based on UK market averages. For real quotes, compare on Compare the Market, MoneySuperMarket, GoCompare.

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Price Estimate
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Estimated price range for the Triumph Speed Twin 5T based on comparable motorcycles:

AVERAGE

$2,761

📊 Category-based (18 motorcycles) · Approximate (USD)

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Buy New & Used
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Find new and used Triumph Speed Twin 5T 1948 listings:

🛒 eBay Motors 🏍️ Cycle Trader 🇬🇧 Auto Trader UK 🔍 Google Listings

💡 Third-party listings. MotoBike Info is informational only.

👤 Final premium varies by rider age, history, location.

⚙️ Full Specifications

No specifications found.

📋 Detailed Review

The Triumph Speed Twin 5T 1948 is a legendary motorcycle that holds a special place in the hearts of motorcycle enthusiasts. Launched after World War II, it was a true game-changer in the industry, setting the standard for what a modern motorcycle should be. The Speed Twin 5T was known for its innovative design, featuring a parallel-twin engine that provided a perfect balance of power and smoothness. This revolutionary engine design became a hallmark of Triumph motorcycles for years to come. One of the key features of the Triumph Speed Twin 5T 1948 was its exceptional performance capabilities. With a top speed of around 90 mph, it was considered one of the fastest bikes of its time. The handling and agility of the Speed Twin were also praised, making it a joy to ride on both city streets and open roads. Additionally, the classic styling of the bike has stood the test of time, with its iconic lines and chrome accents still turning heads today. In terms of value, the Triumph Speed Twin 5T 1948 is a highly sought-after collector's item. Its historical significance, coupled with its timeless design and solid performance, make it a prized possession for motorcycle enthusiasts and collectors alike. Owning a Speed Twin is not just about having a piece of motorcycle history, but also about experiencing the thrill and excitement that this iconic bike can still deliver on the road.

🎬 Video Reviews

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📷 Gallery

⚡ Key Specs

Displacement498.00 ccm (30.39 cubic inches)

Power27.00 HP (19.7 kW)) @ 6300 RPM

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Triumph Speed Twin 5T

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