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Riley 4 / Seventy Two
Riley 4 / Seventy Two
	Riley 4 / Seventy Two sports saloon; 1622cc first registered May 1963
Overview
Also called	Riley 1500 (Argentina) ; Riley Comet (Austria)
Production	1961–1969; 14,151 made
Body and chassis
Body style	4-door saloon
Powertrain
Engine	1,622 cc (99.0 cu in) B-Series Straight-4
Dimensions
Wheelbase	100.5 in (2,553 mm); track
Height	58 in (1,473 mm)

Riley 4 / Sixty Eight
Riley 4 / Sixty Eight
	Riley 4 / Sixty Eight sports saloon
Overview
Also called	Riley Fordor (Spain); Siam Di Tella 1500 (Argentina)
Production	1959–1961; 10,940 made
Designer	Pinin Farina
Body and chassis
Body style	4-door saloon; station wagon (Argentina); 2-door pick-up (Argentina)
Powertrain
Engine	1,489 cc (90.9 cu in) B-Series Straight-4
Dimensions
Wheelbase	99.25 in (2,521 mm); track
Length	178 in (4,521 mm)
Width	63.5 in (1,613 mm)
Height	57 in (1,448 mm)
Kerb weight	36 cwt; 2,604 lb (1,181 kg)

Riley 4
Farina-styled B-series
Riley 4; Farina-styled B-series
	Riley 4 / Seventy Two sports saloon; 1622cc first registered 4 May 1966
Overview
Manufacturer	BMC
Production	1959–1969; 25,091 made
Body and chassis
Class	full-size car
Related	MG Magnette Mark III ; Wolseley 15/60 ; Austin A55 Cambridge Mark II ; Morris Oxford V ; Siam Di Tella 1500 Argentina
Chronology
Predecessor	Riley RME 1945-1955
Successor	none

The Riley 4 / Sixty Eight and Riley 4 / Seventy Two are cars produced by BMC from 1959 to 1969, under the Riley marque. They are closely related to the Pinin Farina-designed MG Magnette Mark III and Wolseley 15/60 and the simpler Austin A55 Cambridge Mark II, Morris Oxford V pair, sharing the MG's rear styling and engine (with a milder cam). This Riley was the most expensive car in that series.^[1]

This model's introduction, using the same engine, did not affect production of the smaller-bodied 1½-litre Riley One-Point-Five sports saloon which continued until 1965.^[1]

Riley 4 / Sixty Eight

Launched in April 1959, the 4 / Sixty Eight was the last of the five B series BMC Pininfarina cars to be released.^[4] The Riley used the twin-carburettor B-Series straight-4 engine in the form already familiar to drivers of the MG Magnette III,^[4] producing 64 bhp (48 kW). This was 6 hp (4.5 kW) more than the similar Wolseley 15/60.

From the outside the car was distinguished from its siblings by a Riley grille on the front and (apart from the MG with which it shared its tail treatment) slightly less acute tail fins at the back.^[4] Inside, the fascia was relatively well equipped: this was the only one of the five cars to come with a rev counter as standard equipment.^[4]

On the road

A car was tested by the British magazine The Motor in 1959 and had a top speed of 88.2 mph (141.9 km/h) and could accelerate from 0-60 mph (97 km/h) in 18.8 seconds. A fuel consumption of 27.3 miles per imperial gallon (10.3 L/100 km; 22.7 mpg_‑US) was recorded. The test car cost £1028 including taxes.^[3]

It was intended to be the most luxurious of the Farina-styled B-series cars and was priced accordingly. A brief road test was published under the headline: "Comfort not Sacrificed to Appearance in New Riley". The motoring correspondent of The Times reported the more expensive Riley shared a similar specification with the MG Magnette Mark III but the Riley had different points of styling and its very full equipment list included a tachometer. The driver sat upright and gained a sense of mastery of the car steering from the well-furnished interior which had the right combination of leather, walnut veneer and pile carpet. Gear changing was easy through a well-placed central lever.^[2]

Riley 4 / Seventy Two

Just before the 1961 Motor Show, in October, the car became the 4/Seventy-Two. Closely related again was the 16/60 update to the Wolseley car. The engine was now 1.6 L (1622 cc), and Riley again got the twin-carb version with 68 hp (51 kW). It also used an improved suspension with anti-roll bars. The wheelbase was 1 in (25.4 mm) longer, through the moving of the back axle rearwards, and the front track was increased by 2 inches (5 cm).^[4] These modifications to the wheel locations were made at the same time to all the BMC Farina saloons, and were seen as an answer to criticism of the indifferent road holding of the 1959 cars.^[4] Borg Warner automatic transmission became an option in the Riley at the same time, making the Riley the first mass-produced car in Europe to adopt the Borg-Warner 35 system following Borg-Warner's establishment of a plant at Letchworth to produce a transmission package that ten years earlier had been developed for US applications.^[4]

Further modifications to the suspension a year later included 'recambering the rear springs' to improve ride and roadholding,^[4] but from the outside there was little to distinguish the later Rileys from the models as they had appeared in 1959, and the car continued very little changed until its withdrawal in 1969.

The 4/72's main competitor, appearing in 1963,^[6] was the Humber Sceptre from the Rootes Group – with an 85 hp engine, 6-speed manual (four direct ratios plus overdrive 3rd and 4th) or 3-speed automatic (post 1965) and a more modern interior it thoroughly trounced the 4/72 in reviews of the period.

When an automatic 4/72 was tested by The Motor magazine in 1962 they recorded a top speed of 81.3 mph (130.8 km/h), acceleration from 0-60 mph (97 km/h) in 20.6 seconds and a fuel consumption of 26.5 miles per imperial gallon (10.7 L/100 km; 22.1 mpg_‑US). The test car cost £1186 including taxes. The manual car was £1087^[5]

The 4/72 was sold as the Riley 1500 in Argentina and as the Riley Comet in Austria.^[7]

On the road

In October 1962, Britain's Consumers' Association published its fourth Which? car supplement to their magazine. The Riley had been compared with Fiat 1500, Peugeot 403B, Ford Taunus 17M and VW 1500 and the British Sunbeam Rapier. The association reported that the Peugeot and the German Ford had the most virtues and fewest vices.

The report noted that its most severe criticism of all was of the Riley's handling, with increased speed it changed from understeering to oversteering. "It was not a car in which our testers drove with much confidence or pleasure". The Riley's braking system was considered to have more limitations than the other cars' systems.^[8]

Manufacture in Argentina

Another related car was the 1960–1966 Siam Di Tella of Argentina, they were externally similar to the Riley 4 family, but with the Austin Cambridge rear body shape rather than the Riley's fins. . There was the sedan Di Tella 1500, the station wagon Di Tella Traveller and the pick-up (never produced in England) Di Tella Argenta. All of them were fitted with the 1489cc engine and 4 speed manual column change.^[9] The MG Magnette Mark IV was also produced but with the nomenclature Di Tella Magnette, both in 1489cc and 1622cc forms.^[7]

References

^ ^a ^b ^c New Riley Sports Saloon Model. The Times, Thursday, Apr 23, 1959; pg. 7; Issue 54442.
^ ^a ^b ^c Comfort not Sacrificed to Appearance in New Riley. The Times, Tuesday, Dec 15, 1959; pg. 13; Issue 54644
^ ^a ^b ^c ^d ^e "The Riley 4/Sixty Eight". The Motor. 11 November 1959.
^ ^a ^b ^c ^d ^e ^f ^g ^h "Used cars on test: 1962 Riley 4/72 Automatic". Autocar. Vol. 125 nbr 3693. 25 November 1966. pp. 1162–1163.
^ ^a ^b ^c "The Riley 4/72". The Motor. 28 February 1962.
^ "Used Car Test: 1963 Humber Sceptre". Autocar. 124 (nbr 3657): 585–585. 18 March 1966.
^ ^a ^b Also known as : Farina-based models, AROnline Retrieved on 25 November 2012
^ Faults In New £1,000 Cars. The Times, Thursday, Oct 04, 1962; pg. 6; Issue 55513
^ The Cambridge-Oxford Owners Club Archived 15 February 2009 at the Wayback Machine Di Tella - accessed 4 December 2008