Ariel 4G Square Four Mark II

⚠️ Things to consider

• Limited availability of spare parts due to the rarity of the model.
• Complex engine design requiring specialized maintenance and repair skills.
• Relatively heavy weight compared to other motorcycles of the era, affecting handling and maneuverability.
• Vintage technology may result in less efficient fuel consumption and higher emissions.
• Potential for higher maintenance costs due to the need for frequent servicing and upkeep of unique components.

⚖️ Comparison & Competition

• Vincent Black Shadow: The Vincent Black Shadow is a legendary British motorcycle known for its powerful V-twin engine and sleek design. It was one of the fastest production motorcycles of its time, rivaling the Ariel 4G Square Four in performance and style.
• Brough Superior SS100: The Brough Superior SS100 is a classic luxury motorcycle that was handmade in England. It was known for its high quality construction, powerful engine, and exceptional performance, making it a worthy alternative to the Ariel 4G Square Four.
• Norton Manx: The Norton Manx is an iconic racing motorcycle that dominated the Isle of Man TT races in the 1950s. With its lightweight frame and powerful engine, the Norton Manx was a top contender in the racing world and a popular choice among motorcycle enthusiasts.
• BMW R69S: The BMW R69S is a vintage German motorcycle known for its reliability, comfort, and performance. With its boxer engine and timeless design, the BMW R69S offers a unique riding experience that can rival the Ariel 4G Square Four.
• Triumph Bonneville T120: The Triumph Bonneville T120 is a classic British motorcycle that has stood the test of time. With its smooth parallel-twin engine, retro styling, and modern technology, the Bonneville T120 is a versatile and stylish alternative to the Ariel 4G Square Four

The Ariel 4G Square Four Mark II produces 45 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

Estimated average for 995cc class: 35-50 mpg (5.0-7.0 L/100km)

⛽ Tank: 16.00 litres (4.23 gallons)

Insurance grouping for Ariel 4G Square Four Mark II (995cc):

• 📋 Group 15-20+ — performance class, higher premiums
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Insurance Calculator (UK est.)

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Personalised premium estimate for the Ariel 4G Square Four Mark II (UK rates):

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Years Licensed

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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 Ariel 4G Square Four Mark II based on comparable motorcycles:

AVERAGE

$3,174

📊 Category-based (9 motorcycles) · Approximate (USD)

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Buy New & Used

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Find new and used Ariel 4G Square Four Mark II 1955 listings:

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

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