Ariel MK1 Square Four

⚠️ Things to consider

• Limited availability of spare parts due to the age and rarity of the motorcycle, which can make maintenance and repairs challenging.
• The complex and unique design of the Square Four engine can lead to higher maintenance costs compared to more conventional motorcycle engines.
• The vintage nature of the Ariel MK1 Square Four may result in reduced overall reliability and increased risk of breakdowns during rides.
• The motorcycle's handling and performance may not meet modern standards, making it less suitable for demanding or high-speed riding.
• The lack of modern safety features such as ABS or traction control could pose a higher risk in emergency situations or adverse road conditions.

⚖️ Comparison & Competition

• Vincent Black Shadow: A legendary British motorcycle known for its powerful V-twin engine and distinctive design, offering a thrilling riding experience similar to the Ariel MK1 Square Four.
• Brough Superior SS100: An iconic luxury motorcycle with a reputation for speed and quality craftsmanship, favored by enthusiasts seeking a blend of performance and style.
• Norton Manx: A classic racing motorcycle renowned for its success on the track, delivering exceptional handling and performance for riders looking for a competitive edge.
• BMW R5: A vintage German motorcycle admired for its elegant styling and reliable engineering, appealing to riders who appreciate a balance of form and function.
• Indian Chief: A historic American cruiser motorcycle with a timeless design and smooth ride, catering to riders who prioritize comfort and classic aesthetics on the road

The Ariel MK1 Square Four produces 40 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

Estimated average for 997cc class: 35-50 mpg (5.0-7.0 L/100km)

⛽ Tank: 23.00 litres (6.08 gallons)

Insurance grouping for Ariel MK1 Square Four (997cc):

• 📋 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 MK1 Square Four (UK rates):

Your Age

Years Licensed

No-Claims Years 0 years 1-2 years 3-4 years 5+ years 9+ years

Location London / Major city Mid-size city Town Rural

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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 MK1 Square Four 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 MK1 Square Four 1950 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.