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Buying guide · 1998–⁠2006 · AJ26 / AJ34 supercharged V8 · 370–⁠400 PS

Jaguar XKR X100

Everything that decides whether the one you are looking at is a good buy or an expensive one.

17-page guide, A4 and phone · 3-page inspection card · instant PDF · VAT included

Or read the free guide first

Jaguar XKR X100
Kees Janssens · crash71100 · free photos & art · Iamjosemon · Wikimedia Commons · cropped
The contents of the Jaguar XKR X100 guideThe Jaguar XKR X100 inspection card
A page of the Jaguar XKR X100 guide on a phone

In the guide

What the Jaguar XKR X100 guide covers

  1. 01Every fault this engine has, and how much work it is
  2. 02What a proper chain job includes, and which of the two specifications closes the question
  3. 03The sills, the rear wings and the floor under the battery — this is a steel car
  4. 04What is simply twenty-five years old — and can be left alone
  5. 05The inspection card: the whole viewing on paper, in order, to take with you
  6. 06What to say to the seller, and what to keep to yourself

From the guide itself

This is how it reads

This is what one of the ten looks likeLast Real Engines

6 · The supercharger belt

An hour or two · the part

Cheap, visible, and its condition tells you about the last owner. Neglect here is expensive.

Now, if it is cracked or glazed.

And this is how the card readsLast Real Engines

  • 2 · The cold start · the moment that comes once
  • 3 · The engine bay, engine off
  • 4 · On the lift · this is where the money is
  • 5 · Inside
  • 6 · The test drive
  • 7 · The paperwork
€2417-page guide, A4 and phone · 3-page inspection card · instant PDF · VAT included · updated 9 October 2026

What €24 buys, put next to what it saves

A Nikasil engine that has gone is a week or more in the workshop and a replacement engine. The check that tells you which bores you are looking at costs nothing: the engine number, which carries the date the engine was built. The guide is €24. It will not stop any of that from being needed — but it does tell you which of them you are looking at before you agree a price, and that is the whole of the difference between paying for a car and paying for someone else's postponed maintenance.

Get the guide · €24

VAT included · sold by Lemon Squeezy as merchant of record · questions first? buyersguide@lastrealengines.com

Start with the free guide

The six questions that decide whether this car is a good buy

  1. What does the engine number say about the bores?
  2. Does it rattle for a few seconds on a cold start?
  3. Has the chain job already been done — and to which specification?
  4. Is there a whine that rises and falls with the revs?
  5. What do the sills, the rear wings and the floor under the battery look like?
  6. Any coolant loss — and on a 4.2, have the valley pipes been looked at?

Start with the free guide: what this car is, and the questions that decide whether the one you are looking at is a good buy or an expensive one.

Read the free guide

Before you buy

Questions

What exactly do I get?

The full guide as a PDF, 17 pages in A4, plus a phone edition to read at the car; and the inspection card, 3 pages to print and take to the viewing. €24, VAT included.

How is it delivered?

Straight after payment you get a download link for the guide, the phone edition and the card. No subscription, no account.

Can I get a refund?

EU consumer law gives you fourteen days to change your mind. For digital content that right ends the moment delivery starts, provided you agreed to that at the checkout. If the file will not open, or you were sent the wrong car, write to us and we will fix it or refund it.

Who handles the payment?

Lemon Squeezy, who sell the guide to you as merchant of record. They charge the VAT at the rate of your country, send the invoice, and email you the download link. We never see your card.

Why are there no prices in it?

Because a price we cannot verify is worse than no price, and because a price would be wrong for most of the people reading it: workshop rates across Europe differ by a factor of two or three. What does not change is how much work a job is, so every point says whether it is an hour, half a day, a day, or a week in the workshop. Ask your own workshop for its hourly rate, and every hour in the guide becomes your own number.

Is this advice about a specific car?

No. A guide tells you what to look at; it is general information about the model and not advice about a specific car. Have every car inspected before you buy by someone who knows the engine.

Going to look at a Jaguar XKR X100?

Take the guide and the card with you.

Get the guide · €24

17-page guide, A4 and phone · 3-page inspection card · instant PDF · VAT included