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Royal Ordnance Chieftain vs M1A1 Abrams

Royal Ordnance Chieftain main battle tank side profile drawing
🇬🇧 Royal Ordnance Chieftain
M1A1 Abrams main battle tank side profile drawing
🇺🇸 M1A1 Abrams
Change comparison vs
Specifications
Royal Ordnance Chieftain M1A1 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 9,200 units
Estimated unit price $0.3 million $4.3 million
Combat weight 55.0 tons 63.0 tons
Maximum speed 48 km/h 66 km/h
Operational range 500 km 465 km
Length 9.99 m 9.83 m
Width 3.50 m 3.65 m
Height 2.90 m 2.43 m
Crew 4 4
Performance Radar Chart
Armament & Powertrain
Royal Ordnance Chieftain M1A1 Abrams
Main armament 1 L11A5 120mm rifled barrel gun 1 M256 120mm smoothbore barrel (40 shells) gun
Secondary weapon 1 L8A1 7.62mm coaxial machine gun 1 M-2HB 12.7mm machine gun (1000 rounds)
Engine Leyland L60 Diesel Engine with 750 hp AGT-1500 Turbine with 1500 hp

Overview

The Royal Ordnance Chieftain and the M1A1 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 63.0 tons for the M1A1 Abrams. Top speed is 48 km/h for the Royal Ordnance Chieftain vs 66 km/h for the M1A1 Abrams. Operational range is 500 km for the Royal Ordnance Chieftain vs 465 km for the M1A1 Abrams. The Royal Ordnance Chieftain is armed with a 1 L11A5 120mm rifled barrel gun, while the M1A1 Abrams carries a 1 M256 120mm smoothbore barrel (40 shells) gun.

The Royal Ordnance Chieftain has been produced in 1,056 units vs 9,200 for the M1A1 Abrams. Unit cost is $0.266M for the Royal Ordnance Chieftain vs $4.3M for the M1A1 Abrams. The Royal Ordnance Chieftain entered service 20 years before the M1A1 Abrams (1966 vs 1986).

Related Comparisons
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Frequently Asked Questions

Which is faster, the Royal Ordnance Chieftain or M1A1 Abrams?
The M1A1 Abrams is faster with a maximum road speed of 66 km/h compared to the Royal Ordnance Chieftain's 48 km/h.
Which has longer operational range, the Royal Ordnance Chieftain or M1A1 Abrams?
The Royal Ordnance Chieftain has a longer operational range at 500 km compared to the M1A1 Abrams's 465 km.
Which is heavier, the Royal Ordnance Chieftain or M1A1 Abrams?
The M1A1 Abrams is heavier at 63.0 tons combat weight compared to the Royal Ordnance Chieftain's 55.0 tons.
Which is larger, the Royal Ordnance Chieftain or M1A1 Abrams?
The Royal Ordnance Chieftain is longer at 9.99 meters compared to the M1A1 Abrams's 9.83 meters.
How many crew members do the Royal Ordnance Chieftain and M1A1 Abrams require?
Both the Royal Ordnance Chieftain and M1A1 Abrams require a crew of 4.
Which is more expensive, the Royal Ordnance Chieftain or M1A1 Abrams?
The M1A1 Abrams is more expensive at approximately $4.3 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 M1A1 Abrams?
The M1A1 Abrams has been produced in greater numbers with 9,200 units compared to 1,056 units of the Royal Ordnance Chieftain.
What are the main armaments of the Royal Ordnance Chieftain and M1A1 Abrams?
The Royal Ordnance Chieftain is armed with 1 L11A5 120mm rifled barrel gun while the M1A1 Abrams carries 1 M256 120mm smoothbore barrel (40 shells) gun as its main armament.