Should I check the MOT history before buying a 1990 Lexus Ls400?

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 1990 Lexus Ls400?

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 1990 Lexus Ls400?

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 1990 Lexus Ls400 reliable?

Based on MOT data from 582 vehicles, the 1990 Lexus Ls400 has a first-time MOT pass rate of 72.4%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 1990 Lexus Ls400?

The most frequently recorded MOT issues on the 1990 Lexus Ls400 are: Nearside Rear Tyre worn close to the legal limit (30.9% of vehicles), Nearside Front Tyre worn close to the legal limit (29.3% of vehicles), Offside Rear Tyre worn close to the legal limit (28.4% 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 1990 Lexus Ls400?

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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Lexus Ls400 (1990)

582 real MOT outcomes analysed • 72.4% first-time pass rate

1990 Lexus Ls400

CarHunch analysed 582 real MOT records for the 1990 Lexus Ls400. 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 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 1990 LS400 passes its first MOT attempt only 72.4% of the time, a meaningful 7.6 percentage points below the UK average of 80%, suggesting these 34-year-old cars are experiencing more wear than typical classics. The good news is that dangerous defects are relatively uncommon at 10.3%, so safety concerns shouldn't dominate your buying decision.

These LS400s average 152,781 miles—modest for their age—yet still rack up 1.24 failures and 5.8 advisories per test, indicating that mileage alone doesn't predict condition on these older Lexus models. Before purchase, have a pre-sale inspection focus on the advisories cluster; they'll tell you whether you're looking at routine age-related wear or deferred maintenance that could become expensive.

The 1990 Lexus Ls400 has a below-average first-time pass rate (72.4% vs ~80% UK average) — check the specific vehicle's full MOT history carefully before buying.

⚠️ About 1 in 12 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

72.4%

UK average ~80%

Below average

Dangerous (ever)

10.3%

At least once in MOT history

Check this vehicle

Avg failures / car

1.24

Over 4.5 tests on record

High

Typical mileage

154k

Middle half: 120k–179k

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 5.8 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 582 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 582 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 30.9%

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

Other issues 27.5%

Oil leak · Windscreen has damage to an area less than a 40mm circle outside zone 'A' · Rear Sub-frame corroded but not seriously weakened · …

Brake wear 21.3%

Parking brake: efficiency below requirements · Offside Front Brake pipe slightly corroded · Rear Brake pad(s) wearing thin · …

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

Exhaust & emissions 16.8%

Exhaust has a minor leak of exhaust gases · Front Exhaust has a minor leak of exhaust gases

Suspension & steering 11.3%

Power steering component(s) has slight seepage from a component

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 1990.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 582 Lexus Ls400 cars.

Before you buy a 1990 Lexus Ls400

Based on MOT data from 582 vehicles — here's what to check.

📋 Check the full MOT history. 10.3% 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%)	579	72.3%	1.24

Colour Breakdown

Based on 8,327 Lexus Ls400 vehicles registered in the UK — across all years. From DVLA registration records.

Green 21.4%

1,781

Grey 14.7%

1,226

Silver 13.7%

1,137

Blue 13.3%

1,110

Gold 10.1%

843

Black 8.9%

744

White 8.3%

687

Red 6.2%

513

Beige 1.7%

143

Bronze 0.9%

Brown 0.6%

Purple 0.1%

Mileage Distribution

Most 1990 Lexus Ls400 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.

153,563

typical

119,683

low mileage

179,088

high mileage

Half of all 1990 Lexus Ls400 vehicles fall between 119,683 and 179,088 miles.

Is the mileage you're seeing normal?

✓ Under 119,683 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.

✓ 119,683–179,088 miles — normal for age. This is where most 1990 Lexus Ls400s sit.

⚠ Over 241,768 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

1990 Lexus Ls400 — Still on the Road

Numbers are thinning — 19% of 1990 Lexus Ls400s are still active.

Numbers are declining — 10 vehicles still getting MOTs in 2024 (19% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2024.
* 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

4.5

Avg MOT tests per vehicle

1.24

Avg failures per vehicle

5.8

Avg advisories per vehicle

Other model years — Lexus Ls400: All Ls400 years → Which year to buy? →

1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

Or browse all models: Lexus →

Compare with another model

See how the 1990 Lexus Ls400 stacks up against a rival.

Buyer beware — pass it on