There’s often a strange contradiction occurring within a customised or souped-up 4×4; the added power is at odds with the non-aerodynamic boxy shell that surrounds the mechanicals. Of course, the traditional shape is a throwback to times past, but it is also much loved by enthusiasts who eye any detour from the traditional square lines with suspicion.

Mercedes-AMG G63 Posaidon

So we live in a world where custom tuning houses add power to aerodynamic sports cars with wind tunnel enhanced flowing bodywork, and equally – absurdly some might argue – the same is done to sit-up-and-beg off-roaders with the aerodynamic qualities of a rock. Anyway, here’s the Posaidon 927bhp Mercedes-AMG G63.

The basics of the G-Wagen as we know it ran from 1979 until 2018 before the second generation appeared. This newly introduced Mercedes G63 AMG is not exactly a powerless slouch in need of upgrading off the shelf either, with a 4-litre V8 engine and 577bhp leaving you possibly wondering what more it could need. The ‘standard’ model has a top speed of 149mph and a 0-62mph of just 4.5 seconds. So how on earth can German aftermarket specialist tweaker Posaidon stamp its mark on something already this impressive out of the box?

Mercedes-AMG G63 Posaidon

Naturally, it doesn’t actually need anything added, but that would remove half the fun of it all. With the addition of two larger turbochargers, ported cylinder heads, a new exhaust and upgraded valve seats, Posaidon has pushed the limits and given us a Mercedes G63 with 927bhp and 943lb ft torque.

Posaidon say they have also fine-tuned the transmission and added an additional water/methanol tank in the boot to supply the injection system for additional boost pressure. The result of this is a G-Wagen that has a top speed of 174mph (electronically limited) and a 0-62mph of just 3.6 seconds. Not bad for a near 2-tonne vehicle. Carbon-ceramic brakes attempt to stop the beast, and additions like those bull-bars hint at the aggressive power hidden under the bonnet.

Mercedes-AMG G63 Posaidon

For a vehicle that already cost around £145,000, you can imagine that Posaidon’s mods increase that basic price somewhat – in fact by a further £50,000. As you would expect at such a cost, you do get a fair few quality add-on options too, like a carbon-fibre bonnet with vents and a variety of colour options.

To answer my earlier rhetorical question, Posaidon has most certainly stamped its mark on the Mercedes-AMG G63, that’s for sure – and that’s not just the brand’s distinctive ‘Poseidon fork’ badging.

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