Should I check the MOT history before buying a 2004 Alfa Romeo 156?

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 2004 Alfa Romeo 156?

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 2004 Alfa Romeo 156?

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.

How many 2004 Alfa Romeo 156 vehicles have had dangerous defects recorded?

33% of these vehicles have had a dangerous defect recorded. Search the registration on CarHunch — the full MOT history will show exactly what was flagged and whether it was resolved.

Is the 2004 Alfa Romeo 156 reliable?

Based on MOT data from 3,341 vehicles, the 2004 Alfa Romeo 156 has a first-time MOT pass rate of 68.8%, indicating average reliability for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 2004 Alfa Romeo 156?

The most frequently recorded MOT issues on the 2004 Alfa Romeo 156 are: Nearside Front Tyre worn close to the legal limit (79.6% of vehicles), Offside Front Tyre worn close to the legal limit (77.1% of vehicles), Nearside Rear Tyre worn close to the legal limit (60.7% of vehicles). These figures are based on actual MOT test records — search a specific registration on CarHunch to see its individual history.

Do I need an HPI check when buying a 2004 Alfa Romeo 156?

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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Alfa Romeo 156 (2004)

3,341 real MOT outcomes analysed • 68.8% first-time pass rate

2004 Alfa Romeo 156

CarHunch analysed 3,341 real MOT records for the 2004 Alfa Romeo 156. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

The 2004 Alfa Romeo 156 passes its MOT on the first attempt just 68.8% of the time, well below the UK average of 80%, and a concerning 32.8% of these cars have recorded dangerous defects at some point—both red flags for a prospective buyer. Petrol and diesel variants perform similarly poorly (69.4% and 68.1% respectively), so fuel type won't help you dodge the reliability issues.

At an average mileage of 75,003 for a 20-year-old car, these examples have been used moderately hard, yet they're still racking up 4.53 failures per test and 18.8 advisories, suggesting systemic wear rather than one-off problems. Before buying, get a pre-purchase inspection focused on electrical gremlins, suspension geometry, and brake condition—these Alfas demand vigilance to stay roadworthy.

The 2004 Alfa Romeo 156 has a below-average first-time pass rate (68.8% vs ~80% UK average) — check the specific vehicle's full MOT history carefully before buying.

⚠️ Over 1 in 5 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

68.8%

UK average ~80%

Below average

Dangerous (ever)

32.8%

At least once in MOT history

Check this vehicle

Avg failures / car

4.53

Over 13.8 tests on record

High

Typical mileage

61k

Middle half: 47k–76k

For context

⚠️ Below average. More vehicles in this cohort fail their first MOT than typical. Scrutinise this vehicle's history — look for recurring issues, not just the latest result.

🔧 Expect consumable spend. An average of 18.8 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 3,341 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.

Buyer beware — pass it on

What tends to go wrong

Across 3,341 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 79.6%

Nearside Front Tyre worn close to the legal limit · Offside Front Tyre worn close to the legal limit · Nearside Rear Tyre worn close to the legal limit · …

Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Lighting 36.3%

Nearside Front position lamp(s) not working · Offside Front position lamp(s) not working

Usually cheap to fix. Worth confirming all lights work before collecting.

Brake wear 35.8%

Front brake disc worn, pitted or scored, but not seriously weakened · Rear Brake pad(s) wearing thin · Parking brake: efficiency below requirements · …

Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Other issues 32.5%

Oil leak · Child seat fitted not allowing full inspection of adult belt

Suspension & steering 26.6%

Nearside Front Upper Suspension arm has slight play in a pin/bush · Nearside Front Upper Suspension arm has excessive play in a pin/bush · Offside Front Upper Suspension arm has slight play in a pin/bush

Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.

Data covers a 3-year window centred on 2004.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 3,341 Alfa Romeo 156 cars.

Before you buy a 2004 Alfa Romeo 156

Based on MOT data from 3,341 vehicles — here's what to check.

📋 Check the full MOT history. 32.8% 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 (51%)	1,709	69.4%	4.34
Diesel (49%)	1,630	68.1%	4.74

Colour Breakdown

Based on 48,311 Alfa Romeo 156 vehicles registered in the UK — across all years. From DVLA registration records.

Silver 28.2%

13,641

Red 23.1%

11,175

Blue 21.2%

10,253

Black 14.6%

7,067

Grey 7.7%

3,716

Green 3.8%

1,840

Beige 0.9%

422

White 0.3%

154

Gold 0%

Maroon 0%

Orange 0%

Brown 0%

Mileage Distribution

Most 2004 Alfa Romeo 156 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.

60,711

typical

46,622

low mileage

75,984

high mileage

Half of all 2004 Alfa Romeo 156 vehicles fall between 46,622 and 75,984 miles.

Is the mileage you're seeing normal?

✓ Under 46,622 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.

✓ 46,622–75,984 miles — normal for age. This is where most 2004 Alfa Romeo 156s sit.

⚠ Over 102,578 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2004 Alfa Romeo 156 — Still on the Road

Numbers are thinning — 7% of 2004 Alfa Romeo 156s are still active.

Numbers are declining — 154 vehicles still getting MOTs in 2025 (7% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

13.8

Avg MOT tests per vehicle

4.53

Avg failures per vehicle

18.8

Avg advisories per vehicle

Other model years — Alfa Romeo 156: All 156 years → Which year to buy? →

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See how the 2004 Alfa Romeo 156 stacks up against a rival.

Buyer beware — pass it on