BMP-1 vs K21: 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

BArmoured vehicles

K21

Infantry fighting vehicle

Credit

대한민국 국군 Republic of Korea Armed Forces · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

BMP-1Length

6.735 m

Length source ↗

K21Length

6.9 m

Length source ↗

Lengths retain their source configuration and measurement scope.

BMP-1larger figure on 0 of 5

None

K21larger figure on 5 of 5

Length+2%
Width+16%
Height+26%
Mass+94%
Speed+8%

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 27 rows sourced on both sides

6.74m

6.9m

Length+2%

All recorded figures & sources

6.735 m

Length

Single source

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

6.9 m

Length

Single source

Configuration

Details

BMP-1 and K21 configuration
Specification	BMP-1	K21
Type	Infantry fighting vehicle Armoured personnel carrier^[source]	Infantry fighting vehicle^[source]
Place of origin	Soviet Union^[source]	South Korea^[source]
In service	1966–present^[source]	2009–present^[source]
Used by	See Service history^[source]	South Korea^[source]

Wars	See Service history^[source]	—

Designer	Pavel Isakov (Design Bureau of the ChTZ )^[source]	Agency for Defense Development^[source]

Designed	1961–1965^[source]	1999–2008^[source]

Manufacturer	Kurganmashzavod (Soviet Union) ZTS Detva (Czechoslovakia) See also Production history section for details.^[source]	Hanwha Defense (originally Daewoo Heavy Industries, later renamed as Doosan DST, follow by Hanwha Defense Systems)^[source]

Produced	1966–(production in the Soviet Union ended in 1982 or 1983) 2026–(production to restart in Slovakia between 2026 and 2027)^[source]	2009–present^[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]	466^[source]

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

Armor	6–33 mm (0.24–1.30 in) welded rolled steel^[source]	2519 aluminium alloy chassis. Layers consisting of S2 glass fiber reinforced Al 2 O 3 ceramic armour All round protection against 14.5×114mm API projectiles as well as 20 mm FSP Frontal armour is resistant to 30 mm APDS rounds fired from a 2A72 autocannon (standard on BMP-3 turrets) Roof armour is resistant to 155 mm artillery shell fragments Soft- and hard-kill anti-missile defense systems, ERA , NERA (only for the K21 PIP)^[source]