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Riley RMB 2.5 Litre

1952 · 56,000 miles · Manual · Black

£8,750

Listed today at M&M Automotive, Lymington. Last checked today.

Key facts

Year
1952
Mileage
56,000 miles
Gearbox
Manual
Engine
2.4-litre twin-cam four
Fuel
Petrol
Drive
RWD
Body
Saloon
Colour
Black
Doors
4
Generation
RM series (RMB, 1946–1952)

About this car

The Riley RMB was the larger sibling to the 1.5-litre RMA, with a longer wheelbase and the 2.5-litre "Big Four" engine. That engine used Percy Riley's twin-camshaft, hemispherical-head layout and was good for around 100 bhp, enough to make the RMB a genuine 100 mph saloon in its day. This 1952 example is finished in black over cream and has a patina that suggests regular use rather than restoration.

It was first registered in Carmarthenshire in January 1952. One owner kept it for 24 years, and another had it from 2001 to 2011. Two further keepers followed, and the most recent has used it as a daily driver, including a weekly 180-mile commute. The mileage is shown as 56,000.

Recent work includes replacement front wheel brake cylinders and a period-correct Lucas RF95 control box for the charging system. The history file holds invoices from 2001 to 2023, eight old MOT certificates covering 2001 to 2013 and a workshop manual. The dealer reports oil pressure of 50 psi.

Written by Vertar from M&M Automotive’s listing. Check the details with the dealer before you buy.

Performance

The maker’s official figures for this model, not measurements of this car (Riley (Nuffield Organisation) published engine data: 2443 cc twin-cam-in-block four, 100 bhp (uprated from 90 bhp in 1948). Weight, top speed and acceleration are left blank because the only figures are from period road tests, not the factory.).

Power
100 bhp
Engine
2,443 cc, 4 cylinders
Engine position
Front-engined
Induction
Naturally aspirated

Price history

£8,750 since it was listed on 12 November 2026. No changes yet.

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The dealer

Used and classic car dealer in Pennington, Lymington, Hampshire, with stock including British classics such as Austin-Healeys, Jaguar E-Types and AC Cobra replicas.

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