The Trekker was in essence the marketing test vehicle for Toyota to be able to introduce the 4Runner.
The Toyota Trekker was produced from early 1981 through 1983.
The Trekkers were all built on Toyota short box chassis'.
In Japan it was known as the Toyota Hilux Surf (トヨタ ハイラックスサーフ).
The original 4Runner was a compact SUV and little more than a Toyota pickup truck with a fiberglass shell over the bed, but the model has since undergone significant independent development into a cross between a compact and a mid-size SUV.
All 4Runners have been built at Toyota's Tahara plant at Tahara, Aichi, Japan, or at Hino Motors' Hamura, Japan plant, and in Brazil.
Its mid-size crossover SUV counterpart is the Toyota Highlander.
Hilux Surf models in Japan are widely exported as used vehicles to Somalia, Pakistan, Afghanistan, United Kingdom, Ireland, New Zealand, and Australia.
For Southeast Asia the Hilux Surf was replaced in 2005 by the similar Fortuner, which is based on the Hilux platform. S., Canada, Central America, Bahamas, Ecuador, Peru, and Chile.
The 4Runner came in at number three in a 2016 study by i See ranking the top 10 longest-lasting vehicles in the US.
The 4Runner had 5.2 percent of vehicles over 200,000 miles (320,000 km), according to the study.
The Toyota Trekker was one of the first prototype walk through conversions done to Toyota trucks in the early 1980s.
They were similar to the successive 4Runner conversions done by Toyota, which started production in 1984, but were designed and built by Winnebago Industries with the approval of Toyota.
The Trekkers were no longer a viable conversion when Toyota started producing the 4Runner in 1984.