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Last updated 9/06/2024 - Originally published 9/04/2024
Written by SimpleTire
Dunlop is one of Europe’s oldest names in tires, being founded way back in 1888 by Scots veterinary surgeon and inventor John Boyd Dunlop, the man who actually invented the pneumatic tire (albeit for bicycle tires originally). Today, it falls under the Ohio-based Goodyear, offering buyers a family of tires that benefit from Goodyear’s engineering, production, and distribution resources. The Grandtrek family of tires for light trucks and SUVs is designed in collaboration with major automakers; these are next-generation tires whose design is centered around the weight, power, torque, center of gravity, and overall driving dynamics of this generation of trucks, SUVs, and crossovers. Let’s take a little closer look at what the Dunlop Grandtrek product family is all about:
Dunlop Grandtrek AT20
The Grandtrek AT20 is a durable, dependable all-season tire that’s designed to sacrifice nothing when it comes to ride quality, low noise, sharp handling, and road manners on the pavement. Dunlop’s VersaLoad design package enhances handling, control, ride quality, and wear properties, with a multi-pitch tread design that helps keep road noise low by canceling certain frequencies and overtones via computer modeling. The Dimensionally Stable Polyester casing helps the Dunlop Grandtrek AT20 retain a perfectly round shape through the life cycle of the tire for a refined ride and capable handling. The semi-aggressive all-terrain tread design with a dense network of sipes and circumferential grooves delivers great performance on the highway or in mild off-road conditions, diverting water away from the tire’s contact patch to resist hydroplaning, and a continuous center rib gives the Grandtrek AT20 great straight-line stability and quick steering response. Dunlop covers the Grandtrek AT20 with a 60,000 mile limited manufacturer’s tread life warranty.
Dunlop Grandtrek AT23
The Dunlop Grandtrek AT23 is designed as a premium all-season tire for light trucks; it’s designed with circumferential grooves and a network of sipes for an M+S rating for mud/snow traction. Wide grooves help route water away from the tire’s contact patch to mitigate hydroplaning on wet roads, and the Grandtrek AT23’s rubber formulation helps deliver confident wet-weather performance as well as great wear properties. The 5-pitch tread design is computer-tuned to help keep road noise to a minimum, and the Grandtrek AT23 incorporates Dunlop’s VersaLoad and Dimensionally Stable Polyester design packages for durability, ride quality, and control. The result is a tire that’s a great fit for luxury and high-end SUVs and crossovers, with confident year-round performance.
Dunlop Grandtrek Touring A/S
For the Grandtrek Touring A/S, Dunlop built on the success of their all-season light truck tires and fine-tuned them for even better ride quality, handling, and lower noise levels. The Grandtrek Touring A/S features an advanced silica-rich tread compound that helps lower rolling resistance to save at the gas pump while delivering enhanced wet-weather traction and great wear properties. Its asymmetric all-season tread is divided into two segments, with the inboard side dedicated to dry-weather traction and the outboard side designed for wet roads. Jointless Band Technology gives the Dunlop Grandtrek Touring A/S great high-speed stability and handling, and that next-gen tread compound is engineered to stay flexible in subfreezing weather for improved winter performance. Select sizes of the Grandtrek Touring A/S are available with run-flat technology, a reinforced sidewall design that can allow a driver to go up to another 50 miles at up to 50 mph even in the event of complete tire failure and loss of inflation pressure.
Dunlop Grandtrek ST30
With its asymmetric all-season tread, the Dunlop Grandtrek ST30 is designed for versatile performance year-round. The Grandtrek ST30 includes Dunlop’s Multi-Pitch Tread Design technology for low noise and Jointless Band design that helps the tire keep its shape through its entire life cycle for improved control and ride quality. The continuous center rib of the Grandtrek ST30 helps with solid straight-line stability on the highway as well as steering response that’s light and precise. This premium all-season tire is featured as OEM by several automakers.
Other Dunlop Grandtrek tires
In addition to these great tires, the Dunlop Grandtrek family also includes:
- Grandtrek AT25: all-season tire with durable tread compound, suitable for limited all-terrain and off-road use
- Grandtrek AT3: summer performance tire with all-season tread design, enhanced footprint for improved braking and control, staggered tread block pattern for improved drainage
- Grandtrek PT20 A/S: all-season tire designed for larger, heavier SUVs and crossovers, featuring reinforced casing, advanced tread pattern, and a 60,000 mile limited manufacturer’s tread life warranty
- Grandtrek PT21: all-season tire designed specifically for low rolling resistance and fuel savings; featured as OEM on a number of vehicles
- Grandtrek PT2A: all-season tire tuned for Grand Touring levels of ride comfort, low noise, responsive handling
- Grandtrek PT3A: all-season tire optimized for low rolling resistance, fuel savings, crisp handling, and low noise
- Grandtrek PT9000: UHP light truck tire designed with silica-rich tread compound, Jointless Band Technology, and directional tread for great handling and wet-weather grip
- Grandtrek SJ4: winter tire with optimized groove distribution, zigzag grooves flanked by two “snow pillars”, and a specialized glass fiber reinforced tread compound for winter grip
- Grandtrek SJ6: winter tire with specialized glass fiber reinforced tread compound, optimized winter tread design, an advanced mold shape, and a ply line for a stable contact patch that ensures less vibration and harshness
- Grandtrek ST20: all-season tire designed with wide circumferential grooves, 5-pitch tread for low noise, improved wet-weather grip and performance, OEM for Mitsubishi Outlander
- Grandtrek ST30 NRT: all-season design with symmetric tread, wide circumferential grooves, resistance to uneven tread wear
- Grandtrek ST8000: performance-oriented all-season design with staggered shoulders, continuous center rib, dense network of sipes for year-round performance and grip
- Grandtrek WT M3: winter tire for luxury and high-end trucks and SUVs, with enhanced contact patch, optimized groove pattern and sipe network, and a 3 Peak Mountain Snowflake certification for severe winter service
Dunlop Grandtrek OEM tires
The Grandtrek from Dunlop is featured as the OEM tire on the following vehicles:
- Grandtrek AT20: Toyota Tacoma (2008-2015), Suzuki Grand Vitara (2009), Honda CR-V (2015-2016), Lexus GX470 (2003-2007),
- Grandtrek AT21: Toyota Sequoia (2001-2007), Toyota 4Runner (2005-2024 Toyota FJ Cruiser (2008-2010), Toyota Land Cruiser (2003), Toyota Tundra (2003-2006),
- Grandtrek AT23: Lexus GX460 (2021-2024), Nissan Armada (2017-2024), Toyota Land Cruiser (2013-2021)
- Grandtrek PT20: Toyota RAV4 (2019-2023), Toyota Venza (2021-2024), Lexus NX250 (2023), Lexus NX350 (2020-2025)
- Grandtrek PT21: Nissan Rogue (2021-2024), Nissan Ariya (2023-2024)
- Grandtrek PT2A: Lexus LX570 (2008-2021)
- Grandtrek PT3A: Lexus LX570 (2020-2021)
- Grandtrek PT4000: Porsche Cayenne (2005-2010)
- Grandtrek PT5A: Lexus LX600 (2022-2024), Lexus GX550 (2024)
- Grandtrek ST20: Honda CR-V (2005-2006), Toyota RAV4 (2001-2005), Mitsubishi Outlander (2014-2015), Nissan Rogue (2008-2018), Lexus NX300 (2019-2021)
- Grandtrek ST30: Toyota RAV4 (2013-2018), Nissan Rogue (2019-2020), Lexus NX300 (2019-2021), Toyota Highlander (2008-2013)
- Grandtrek ST8000: VW Touareg (2004-2009)
- Grandtrek TG35: Nissan Pathfinder (2000-2004), Toyota 4Runner (2000-2004), Toyota Land Cruiser (2000-2002)
- Grandtrek Touring A/S: Volkswagen Tiguan (2009-2018), Mercedes-Benz GLK350 (2010-2015), Lexus RX350 (2012-2015), Audi Q5 (2009-2024), Mercedes-Benz ML350 (2013-2015)
- Grandtrek WT M2: BMW X5 (2001-2002) Grandtrek WT M2 N-O: Porsche Cayenne (2004-2006)