SDP wz 66 Grom
Premium Tank Destroyer Tier 8 PolandSDP wz 66 Grom is a tier 8 tank destroyer from Poland in World of Tanks. This is a premium vehicle — purchased separately from the tech tree.
SDP wz 66 Grom is a premium tank. Find current discounts via the official shop or verified resellers.
See SDP wz 66 Grom in the WG shop →orFind on Kinguin →SDP wz 66 Grom stats at a glance
The SDP wz 66 Grom has 1040 hit points , 100mm of frontal hull armor , and a top speed of 45 km/h. .
Hull & survivability
| Hit points (HP) | 1040 |
|---|---|
| Weight | 35.7 t |
| Hull armor (F / S / R) | 100 / 70 / 40 mm |
The front-to-side armor ratio is 1.4:1. Side armor is relatively comparable to the front, meaning the Grom can absorb some side hits in close-quarters fighting.
Mobility
| Top forward speed | 45 km/h |
|---|---|
| Top reverse speed | 15 km/h |
Forward-to-reverse speed ratio is 3.0:1. Reverse speed is limited, so pre-aim and exposure timing matter more on this vehicle.
Camouflage
| Camo (stationary) | 29.1% |
|---|---|
| Camo (moving) | 17.5% |
Available guns (1)
| Gun | Tier | Damage | Pen | Reload | RoF |
|---|---|---|---|---|---|
| GG-100/162 mm K | 9 | — | — | 16.0s | — |
How Grom compares to its peers
There are 57 tier 8 tank destroyers in WoT, including the Grom. Its 1040 HP places it in the top 46% for hit points among same-tier tank destroyers (peer average: 1004). Frontal hull armor of 100mm ranks in the top 57% for the class (peer average: 130mm). Top forward speed of 45 km/h is faster than 50% of peer vehicles in this tier and class.
Direct comparisons
- Grom vs Alby — tier 8 tank destroyer from France
- Grom vs AMX AC 48 FL — tier 8 tank destroyer from France
- Grom vs AMX AC 48 — tier 8 tank destroyer from France
- Grom vs AMX Cda 105 — tier 8 tank destroyer from France
- See full tier 8 tank destroyer tier list — all 57 vehicles ranked
About this vehicle
The SDP wz 66 Grom, a tank destroyer from the late 1950s to early 1960s, was designed taking into account Soviet experience of developing similar vehicles. The armor was meant to withstand attacks from existing and potential NATO tanks, and a gas-turbine engine was planned to increase mobility. As armament, several types of guns were considered, including so-called deep-rifled ones. It was not possible to implement some of the ideas due to the technological restrictions of the time. All of the concepts went no further than blueprints.
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See Dolphin browser →Frequently asked
What tier is the SDP wz 66 Grom in WoT?
The SDP wz 66 Grom is a tier 8 tank destroyer from Poland.
Is the Grom a premium tank?
Yes — the SDP wz 66 Grom is a tier 8 premium tank destroyer in WoT. Premium vehicles earn bonus credits and XP and don't require crew retraining.
What's the top speed of the Grom?
45 km/h forward, 15 km/h reverse.
How much armor does the Grom have?
Hull armor: 100mm front, 70mm side, 40mm rear.