BMP-1 vs CM21 armored vehicle: Specs Compared

FORCETALLY

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AArmoured vehicles

BMP-1

Infantry fighting vehicle Armoured personnel carrier

Credit

One half 3544 · Public domain · Resized · Public domain · Source ↗ · Modified

Real photograph of CM21 armored vehicle — ROCA CM-21A Display at Chih Hang Air Force Base 20130601.jpg

BArmoured vehicles

CM21 armored vehicle

armored personnel carrier

Credit

玄史生 · CC0 · Resized / recompressed · CC0 · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

BMP-1Length

6.735 m

Length source ↗

CM21 armored vehicleLength

4.863 m

Length source ↗

Lengths retain their source configuration and measurement scope.

BMP-1larger figure on 2 of 3

Length+38%
Width+9%

CM21 armored vehiclelarger figure on 1 of 3

Height+21%

Counts only measures both sources give with the same scope. A larger figure is not a better system.

Measured figures

Head to head

22 of 29 rows sourced on both sides

6.74m

4.86m

Length+38%

All recorded figures & sources

6.735 m

Length

Single source

6.735 m (22 ft 1.2 in)^[source]

4.863 m

Length

Single source

Configuration

Details

BMP-1 and CM21 armored vehicle configuration
Specification	BMP-1	CM21 armored vehicle
Type	Infantry fighting vehicle Armoured personnel carrier^[source]	—
Place of origin	Soviet Union^[source]	Taiwan^[source]
In service	1966–present^[source]	1982–present^[source]
Used by	See Service history^[source]	Republic of China Armed Forces^[source]
Wars

Designer	Pavel Isakov (Design Bureau of the ChTZ )^[source]	ROC Armored Vehicle Development Center^[source]

Designed	1961–1965^[source]	1970s^[source]

Manufacturer	Kurganmashzavod (Soviet Union) ZTS Detva (Czechoslovakia) See also Production history section for details.^[source]	ROC Armored Vehicle Development Center^[source]

Produced	1966–(production in the Soviet Union ended in 1982 or 1983) 2026–(production to restart in Slovakia between 2026 and 2027)^[source]	1980s^[source]

No. built	More than 20,000 of all variants (Soviet Union) More than 3,000 of all variants (PRC) 18,000 (Czechoslovakia) ≈800 (India)^[source]	Over 1,000 (all variants)^[source]

Variants	BMP-1, BMP-2 , MLI-84 , Boragh ; see also BMP-1 variants .^[source]	5 variants (see variants )^[source]

Armor	6–33 mm (0.24–1.30 in) welded rolled steel^[source]	Aluminum hull Spaced Armor filled with Polyurethane on front and rear^[source]

Main armament	73 mm 2A28 Grom smoothbore gun (40 rounds) 9M14 Malyutka ATGM (4 rounds)^[source]	M2 Browning machine gun^[source]

Secondary armament	7.62 mm PKT coaxial machine gun (2,000 rounds)^[source]	Mk 19 automatic grenade launcher 107 millimeters (4.2 in)/ 120 millimeters (4.7 in) mortar (CM22) 81 millimeters (3.2 in) mortar (CM23) BGM-71 TOW missile (CM25) 8 smoke grenade launcher (CM21, 22, 23, 26) 6 smoke grenade launcher (CM25)^[source]