LONG-TERM UPDATE 5 | Our Isuzu D-Max conquers Sani Pass

03 November 2022 - 08:37
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The D-Max at the top of Sani Pass at an altitude of 2,870m. Picture: DENIS DROPPA
The D-Max at the top of Sani Pass at an altitude of 2,870m. Picture: DENIS DROPPA

When I last drove Sani Pass a number of years ago, it was meant to be a “farewell” trip, as we were expecting the famous gravel mountain road between SA and Lesotho to be tarred.

A large part of it has been, and there’s now smooth tar all the way up to the SA border post near the bottom, but the final 8km to the Lesotho border post at Sani top remains gravel and still requires a 4x4 to ascend. The gravel pass gains 896m of elevation at an average 11.5% gradient with some sections over 17%. Because it’s so steep and rough, it has produced its fair share of motorised mishaps, but remains a popular tourist destination.

We took a detour to climb the iconic pass on a recent Johannesburg-to-Durban trip in our long-term Isuzu D-Max 4x4 LSE. This model is a deluxe double cab that slots just under the flagship V-Cross in the D-Max line-up, and its spacious cabin is comprehensively kitted with items including a reversing camera, leather seats, auto on/off lights, automatic wipers, cruise control and an infotainment system.

After getting our passports stamped at the SA border post, we started the first part of the ascent into the mountain kingdom in two-wheel drive to see how far we could get. After heavy rainfall the night before, the road was slick and slimy in places, however, and we soon switched to four-wheel drive — especially after seeing another bakkie had slid into a ditch next to the road.

Shifting between two- and four-wheel drive is a simple task of twirling a switch on the Isuzu’s dashboard while the vehicle is moving, and it’s convenient not having to come to a stop when driving through changing surface conditions. The Isuzu must be brought to a halt to activate low range, but this proved unnecessary on our Sani sojourn as the torque of the powerful 3.0l turbo diesel engine proved sufficient in high range.

We also didn’t need to use the rear diff lock for extra traction, even in the very steep switchbacks near the top of the climb. It was good to know the grip-enhancing feature was there as a backup, though.

In the end, the vehicle made easy work of the ascent and the grippy General Grabber all-terrain tyres played their part, ensuring plenty of traction even in the muddy sections. It meant we didn’t have to concentrate too much on the technicalities of the ascent, but instead enjoy the verdant scenery of the Drakensberg in spring. At this time of year, the hills are coated in green and crystal-clear streams trickle from the rocks.

Downhill descent control proved useful on the steep gradients. AUTHOR: Denis Droppa
Downhill descent control proved useful on the steep gradients. AUTHOR: Denis Droppa

The D-Max 4x4 made a breeze of climbing that iconic dirt road, and the biggest pain of the trip was paying the R70 vehicle tax for crossing into Lesotho when we reached the top.

After breakfast at the World’s Highest Pub at 2,870m, coming down the mountain was an opportunity to test the Isuzu’s Hill Decent Control. It’s a gadget I hadn’t often used before and considered it a bit of a gimmick, but it came into its own down that steep and slippery slope. It uses the ABS brakes to automatically maintain a safe and slow speed downhill.

The system’s a little noisy as it goes through its machinations, but it made for a no-sweat descent where I hardly had to touch the brakes. Again, we were left to admire the mountainous panorama while the vehicle handled the “heavy lifting”. The Isuzu’s effortless handling of the conditions was a big contrast to the nervous slip-sliding affair in a Ssangyong SUV I took there years ago.

The D-Max 4x4 will require more of a challenge than Sani Pass to properly test its off-road abilities.

While we plan its next adventure, the Isuzu will continue to serve as a daily commuter, a task it performs with admirable fuel economy. With nearly 15,000km on the odo, the engine’s loosened up and the big bakkie’s consumption has reduced to 8.8l/100km — down from 9.4l when it was new. 

KEY FIGURES — Isuzu D-Max 3.0TD double cab LSE 4x4

Outputs: 140kW/450Nm

Price: R790,400

Warranty: Five years/120,000km

Service plan: Five years/90,000km

The Competition

Nissan Navara 2.5 DDTi Pro-4X 4x4 — R812,900

Toyota Hilux 2.8 GD6 4x4 Legend — R824,900

VW Amarok 2.0 BiTDi Highline 4Motion — R847,000

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