Should I check the MOT history before buying a 2020 Triumph Rocket 3 GT?

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 Triumph Rocket 3 GT?

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 Triumph Rocket 3 GT?

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 Triumph Rocket 3 GT reliable?

Based on MOT data from 322 vehicles, the 2020 Triumph Rocket 3 GT has a first-time MOT pass rate of 94.9%, 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 Triumph Rocket 3 GT?

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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Triumph Rocket 3 GT (2020)

322 real MOT outcomes analysed • 94.9% first-time pass rate

2020 Triumph Rocket 3 GT

CarHunch analysed 322 real MOT records for the 2020 Triumph Rocket 3 GT. 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

Moderate sample. 322 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

The 2020 Triumph Rocket 3 GT is well above average for reliability, with a 91.7% first-time pass rate against the UK average of 80%, and a very low dangerous defect rate of just 2.5%—this is a reassuringly safe proposition for buyers. The bike averages only 0.21 failures per vehicle, suggesting owners rarely face serious mechanical issues.

At 6,300 miles median and 7,564 miles average, these bikes have been treated gently for their age, which partially explains the strong pass rate. The 0.6 advisories per vehicle indicate minor wear items crop up occasionally, but if you're shopping for one, a pre-purchase inspection focusing on routine servicing history will tell you everything you need to know about long-term keeper potential.

The 2020 Triumph Rocket 3 GT passes its MOT first time more often than most UK vehicles (94.9% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

First-time pass

94.9%

UK average ~80%

Better than average

Dangerous (ever)

2.5%

At least once in MOT history

Check this vehicle

Avg failures / car

0.21

Over 3 tests on record

Low

Typical mileage

Middle half: 4k–10k

For context

✅ Good baseline reliability. A 94.9% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

These stats describe 322 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 322 Triumph Rocket 3 GT cars.

Before you buy a 2020 Triumph Rocket 3 GT

Based on MOT data from 322 vehicles — here's what to check.

📋 Check the full MOT history. 2.5% 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 (99%)	319	94.9%	0.21

Colour Breakdown

Based on 863 Triumph Rocket 3 GT vehicles registered in the UK — across all years. From DVLA registration records.

Silver 46.3%

400

Black 29.7%

256

Red 24%

207

Mileage Distribution

Most 2020 Triumph Rocket 3 GT 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.

6,300

typical

3,945

low mileage

9,501

high mileage

Half of all 2020 Triumph Rocket 3 GT vehicles fall between 3,945 and 9,501 miles.

Is the mileage you're seeing normal?

✓ Under 3,945 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.

✓ 3,945–9,501 miles — normal for age. This is where most 2020 Triumph Rocket 3 GTs sit.

⚠ Over 12,826 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2020 Triumph Rocket 3 GT — Still on the Road

Almost all 2020 Triumph Rocket 3 GTs are still on the road.

Strong survival — 282 vehicles still getting MOTs in 2025, 98% 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

Avg MOT tests per vehicle

0.21

Avg failures per vehicle

0.6

Avg advisories per vehicle

Other model years — Triumph Rocket 3 GT: All Rocket 3 GT years → Which year to buy? →

2021 2022 2023

Or browse all models: Triumph →

Compare with another model

See how the 2020 Triumph Rocket 3 GT stacks up against a rival.

A solid choice — agree?