Should I check the MOT history before buying a 2020 Royal Alloy Gp 300 S?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2020 Royal Alloy Gp 300 S?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2020 Royal Alloy Gp 300 S?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 2020 Royal Alloy Gp 300 S reliable?

Based on MOT data from 265 vehicles, the 2020 Royal Alloy Gp 300 S has a first-time MOT pass rate of 95%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2020 Royal Alloy Gp 300 S?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Royal Alloy Gp 300 S (2020)

265 real MOT outcomes analysed • 95% first-time pass rate

2020 Royal Alloy Gp 300 S

CarHunch analysed 265 real MOT records for the 2020 Royal Alloy Gp 300 S. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
Which year to buy? →

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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

The 2020 Royal Alloy GP 300 S is a genuinely reliable performer, with an 87.8% first-time MOT pass rate that sits comfortably 7.8 points above the UK average of 80%. Dangerous defects are rare—only 3.8% of vehicles ever recorded one—so this is a safe buy without the structural or safety concerns that plague some cohorts.

These bikes are running light mileage for their age, averaging just 4,673 miles, which explains the low failure rate of 0.17 per vehicle and the modest 0.6 advisories per bike. Before purchasing, have a pre-buy inspection focus on any advisory items logged, since low mileage can mask wear in braking systems or suspension on older machines.

We have limited data for the 2020 Royal Alloy Gp 300 S — treat the figures below as indicative rather than definitive.

First-time pass

95%

UK average ~80%

Better than average

Dangerous (ever)

3.8%

At least once in MOT history

Check this vehicle

Avg failures / car

0.17

Over 2.6 tests on record

Low

Typical mileage

Middle half: 2k–6k

For context

These stats describe 265 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

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See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 265 Royal Alloy Gp 300 S cars.

Before you buy a 2020 Royal Alloy Gp 300 S

Based on MOT data from 265 vehicles — here's what to check.

📋 Check the full MOT history. 3.8% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Petrol (98%)	259	95.1%	0.17

Colour Breakdown

Based on 430 Royal Alloy Gp 300 S vehicles registered in the UK — across all years. From DVLA registration records.

Cream 18.6%

Green 17.4%

White 16.7%

Grey 16.3%

Red 10.9%

Black 10.2%

Blue 9.8%

Mileage Distribution

Most 2020 Royal Alloy Gp 300 S vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

3,845

typical

2,229

low mileage

6,073

high mileage

Half of all 2020 Royal Alloy Gp 300 S vehicles fall between 2,229 and 6,073 miles.

Is the mileage you're seeing normal?

✓ Under 2,229 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 2,229–6,073 miles — normal for age. This is where most 2020 Royal Alloy Gp 300 Ss sit.

⚠ Over 8,198 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2020 Royal Alloy Gp 300 S — Still on the Road

Almost all 2020 Royal Alloy Gp 300 Ss are still on the road.

Strong survival — 207 vehicles still getting MOTs in 2025, 99% of the peak.

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2023–2025.

MOT History Averages

2.6

Avg MOT tests per vehicle

0.17

Avg failures per vehicle

0.6

Avg advisories per vehicle

Other model years — Royal Alloy Gp 300 S: All Gp 300 S years → Which year to buy? →

2021

Or browse all models: Royal Alloy →

Compare with another model

See how the 2020 Royal Alloy Gp 300 S stacks up against a rival.

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