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Royal Ordnance Chieftain vs M1 Abrams

Royal Ordnance Chieftain main battle tank side profile drawing
🇬🇧 Royal Ordnance Chieftain
M1 Abrams main battle tank side profile drawing
🇺🇸 M1 Abrams
Change comparison vs
Specifications
Royal Ordnance Chieftain M1 Abrams
Origin country 🇬🇧 United Kingdom 🇺🇸 United States
Category Main Battle Tank Main Battle Tank
Type Heavy Main Battle Tank Heavy Main Battle Tank
Manufacturer Royal Ordnance Factory General Dynamics Corp.
Number produced 1,056 units 10,300 units
Estimated unit price $0.3 million $8.5 million
Combat weight 55.0 tons 66.8 tons
Maximum speed 48 km/h 72 km/h
Operational range 500 km 426 km
Length 9.99 m 9.77 m
Width 3.50 m 3.66 m
Height 2.90 m 2.44 m
Crew 4 4 (commander, gunner, loader, driver)
Performance Radar Chart
Armament & Powertrain
Royal Ordnance Chieftain M1 Abrams
Main armament 1 L11A5 120mm rifled barrel gun 120 mm L/44 M256 smoothbore gun (40 rounds)
Secondary weapon 1 L8A1 7.62mm coaxial machine gun 1 × 0.50 caliber (12.7 mm) M2HB heavy machine gun with 900 rounds
Engine Leyland L60 Diesel Engine with 750 hp Honeywell AGT1500 multi-fuel turbine engine 1,500 shp (1,120 kW)

Overview

The Royal Ordnance Chieftain and the M1 Abrams are both Main Battle Tanks, manufactured by Royal Ordnance Factory and General Dynamics Corp. respectively.

The Royal Ordnance Chieftain weighs 55.0 tons vs 66.8 tons for the M1 Abrams. Top speed is 48 km/h for the Royal Ordnance Chieftain vs 72 km/h for the M1 Abrams. Operational range is 500 km for the Royal Ordnance Chieftain vs 426 km for the M1 Abrams. The Royal Ordnance Chieftain is armed with a 1 L11A5 120mm rifled barrel gun, while the M1 Abrams carries a 120 mm L/44 M256 smoothbore gun (40 rounds).

The Royal Ordnance Chieftain has been produced in 1,056 units vs 10,300 for the M1 Abrams. Unit cost is $0.266M for the Royal Ordnance Chieftain vs $8.5M for the M1 Abrams. The Royal Ordnance Chieftain entered service 14 years before the M1 Abrams (1966 vs 1980).

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Frequently Asked Questions

Which is faster, the Royal Ordnance Chieftain or M1 Abrams?
The M1 Abrams is faster with a maximum road speed of 72 km/h compared to the Royal Ordnance Chieftain's 48 km/h.
Which has longer operational range, the Royal Ordnance Chieftain or M1 Abrams?
The Royal Ordnance Chieftain has a longer operational range at 500 km compared to the M1 Abrams's 426 km.
Which is heavier, the Royal Ordnance Chieftain or M1 Abrams?
The M1 Abrams is heavier at 66.8 tons combat weight compared to the Royal Ordnance Chieftain's 55.0 tons.
Which is larger, the Royal Ordnance Chieftain or M1 Abrams?
The Royal Ordnance Chieftain is longer at 9.99 meters compared to the M1 Abrams's 9.77 meters.
How many crew members do the Royal Ordnance Chieftain and M1 Abrams require?
The M1 Abrams requires a larger crew of 4 (commander, gunner, loader, driver) compared to the Royal Ordnance Chieftain's 4 crew members.
Which is more expensive, the Royal Ordnance Chieftain or M1 Abrams?
The M1 Abrams is more expensive at approximately $8.5 million per unit compared to the Royal Ordnance Chieftain at $0.3 million.
Which has been built in greater numbers, the Royal Ordnance Chieftain or M1 Abrams?
The M1 Abrams has been produced in greater numbers with 10,300 units compared to 1,056 units of the Royal Ordnance Chieftain.
What are the main armaments of the Royal Ordnance Chieftain and M1 Abrams?
The Royal Ordnance Chieftain is armed with 1 L11A5 120mm rifled barrel gun while the M1 Abrams carries 120 mm L/44 M256 smoothbore gun (40 rounds) as its main armament.