2003 NOBLE M123R

Noble M12 GTO 3R (440hp) - £25,457 of Receipts in Last 5 Years

For sale is my Noble M12 GTO-3R, one of the finest examples in the country, maintained exclusively by Jetstream Motorsport — the UK's most respected Noble specialist. If you know, you know: there’s nothing Matt at Jetstream doesn’t know about these cars. (And I’d suggest calling him before me to ask about the car.)

Key Facts:

Current mileage: 46,031

MOT: Valid until 1st November 2025

Condition: Perfectly running, road-ready

Ownership: Enthusiast-owned, meticulously maintained

Location: Birmingham, UK

Engine: Brand new pre-M400 development block engine

Performance: Around 440bhp with upgraded intercooler

Engine: The Rare Block

Engine is a rare uprated prototype block developed by Noble for a higher-output M12 variant that never reached production. Fewer than 10 were built, and this one was sourced brand new and fitted by Jetstream. It has done less than 2,000 miles since install and is mapped to circa 440bhp.

Upgrades & Maintenance Expenditure (over 5 years): £25,457.14

Summary:

Apr 2019

Full service, uprights, brake shoes

£1,915.86

Oct 2019

Wiring repairs, battery, interior fix work

£799.00

Aug 2022

Full engine rebuild incl. rare uprated block, wiring loom, intercooler prep, labour

£11,454.41

Aug 2022

Purchase of M400 block engine

£6,000.00

Oct 2022

Rolling road remap, new starter, heater fixes, A/C repairs, test run

£2,089.91

Jun 2023

Brake discs & pads, throttle cable, tyres, fluid flush

£1,350.88

Sep 2023

New ECU + map, North Wales recovery, repairs, MOT

£1,434.00

Jan 2024

Trickle charge storage, valet, wiper fix

£435.00

All invoices available and viewable — no gaps, no guesswork.

Why This Car?

If you’re looking at M12s, you already know they demand careful ownership. This one’s had it. No skipped corners. Every known weak point has been proactively upgraded or replaced.

Whether you're looking to drive, collect, or invest — this is the example to own. It is also in the perfect black on black colour combination.

DM for serious enquiries.

**Based in Jewellery Quarter, Birmingham**

(Again, I suggest speaking to Matt at Jetstream Motorsport for a second opinion — he’s known this car inside and out.)