The Toyota 4Runner III, specifically the facelifted version produced from 1999 to 2002, represented a significant evolution of Toyota’s popular mid-size SUV. This generation, internally designated as the 180 series, continued the 4Runner’s reputation for rugged reliability and off-road capability while incorporating refinements in comfort and technology. The 3.4 V6 24V (183 Hp) Automatic variant occupied a sweet spot in the lineup, offering a balance of power, convenience, and affordability. It was positioned as a step up from the base 2.7-liter four-cylinder models, appealing to buyers who desired more robust performance for towing, hauling, and tackling varied terrain without the higher price tag of the limited trims.
Technical Specifications
| Brand | Toyota |
| Model | 4Runner |
| Generation | 4Runner III (facelift 1999) |
| Type (Engine) | 3.4 V6 24V (183 Hp) Automatic |
| Start of production | 1999 |
| End of production | 2002 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.7 kg/Hp, 114.6 Hp/tonne |
| Weight-to-torque ratio | 5.4 kg/Nm, 184.1 Nm/tonne |
| Power | 183 Hp @ 4800 rpm |
| Power per litre | 54.2 Hp/l |
| Torque | 294 Nm @ 3600 rpm, 216.84 lb.-ft. @ 3600 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 5VZ-FE |
| Engine displacement | 3378 cm3, 206.14 cu. in. |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 93.5 mm, 3.68 in. |
| Piston Stroke | 82 mm, 3.23 in. |
| Compression ratio | 9.6:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 5.2 l, 5.49 US qt | 4.58 UK qt |
| Coolant | 8 l, 8.45 US qt | 7.04 UK qt |
| Kerb Weight | 1597 kg, 3520.78 lbs |
| Max. weight | 2381 kg, 5249.21 lbs |
| Max load | 784 kg, 1728.42 lbs |
| Trunk (boot) space – minimum | 1263 l, 44.6 cu. ft. |
| Trunk (boot) space – maximum | 2257 l, 79.71 cu. ft. |
| Fuel tank capacity | 70 l, 18.49 US gal | 15.4 UK gal |
| Permitted trailer load with brakes (12%) | 2268 kg, 5000.08 lbs |
| Length | 4656 mm, 183.31 in. |
| Width | 1690 mm, 66.54 in. |
| Height | 1715-1740 mm, 67.52 – 68.5 in. |
| Wheelbase | 2675 mm, 105.31 in. |
| Front track | 1505 mm, 59.25 in. |
| Rear (Back) track | 1495-1510 mm, 58.86 – 59.45 in. |
| Minimum turning circle (turning diameter) | 11.4 m, 37.4 ft. |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 225/75 R15; 265/70 R16 |
| Wheel rims size | 7J x 15; 7J x 16 |
Powertrain & Engine Architecture
The heart of this 4Runner variant is the 5VZ-FE 3.4-liter V6 engine. This engine is a naturally aspirated, 24-valve (DOHC) powerplant known for its durability and relatively smooth operation. The 5VZ-FE utilizes a cast iron block and aluminum cylinder heads, a common configuration for Toyota engines of this era. Fuel delivery is managed by a multi-port fuel injection system, providing precise fuel metering for optimal combustion. The engine’s 9.6:1 compression ratio contributes to its respectable power output. Paired with the engine is a four-speed automatic transmission, designed for ease of use and convenience. This transmission, while not offering the most modern gear ratios, was robust and well-suited to the engine’s torque characteristics. The transmission’s shift points were calibrated to provide a balance between fuel efficiency and responsiveness.
Driving Characteristics
The 183 hp and 294 lb-ft of torque delivered by the 5VZ-FE and automatic transmission combination provided adequate, though not exhilarating, performance. Acceleration from 0 to 60 mph typically took around 8-9 seconds. The automatic transmission, while smooth, did result in some power loss compared to the available five-speed manual. The gear ratios were spaced to prioritize everyday drivability and towing capacity over outright speed. In real-world conditions, the 4Runner felt capable on the highway and around town, with sufficient power for merging and passing. Off-road, the automatic transmission, combined with the 4Runner’s four-wheel-drive system (available on many trims), proved to be a capable performer, offering good low-end torque for navigating challenging terrain.
Equipment & Trim Levels
The 3.4 V6 Automatic 4Runner typically came standard with features such as air conditioning, power windows and locks, and an AM/FM stereo. Interior upholstery was usually cloth, with options for leather available on higher trim levels. Dashboard configuration was straightforward and functional, prioritizing usability over flashy design. Common optional extras included a sunroof, upgraded audio systems, and alloy wheels. The SR5 trim level, often paired with the 3.4L engine, added features like color-keyed fender flares and upgraded interior trim.
Chassis & Braking
The 4Runner III utilized a body-on-frame construction, providing a robust and durable platform. The front suspension featured a double wishbone design, while the rear employed an independent multi-link setup. This suspension configuration aimed to balance ride comfort with off-road capability. Braking duties were handled by ventilated discs at the front and drum brakes at the rear. Anti-lock braking system (ABS) was standard, enhancing safety during emergency stops. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
Critics generally praised the 4Runner III for its reliability, durability, and off-road prowess. The 3.4 V6 Automatic variant was viewed as a practical and well-rounded choice for buyers seeking a capable SUV. Compared to the base 2.7-liter four-cylinder models, the 3.4 V6 offered a significant improvement in performance, making it a more suitable option for towing and hauling. Fuel economy was reasonable for a vehicle of its size and capability, averaging around 16-18 mpg in city driving and 19-21 mpg on the highway. Compared to the more expensive Limited trims, the 3.4 V6 Automatic offered a good value proposition, providing many of the same capabilities at a lower price point.
Legacy
The 5VZ-FE engine, in particular, has earned a reputation for exceptional longevity. Many examples have surpassed 200,000 miles with proper maintenance. The automatic transmission, while not as sophisticated as modern units, is also known for its durability. Today, the 1999-2002 Toyota 4Runner III 3.4 V6 Automatic remains a popular choice in the used car market, prized for its reliability, off-road capability, and relatively affordable price. Parts availability is generally good, and the vehicle’s simple mechanical design makes it relatively easy to maintain and repair. It continues to be a favorite among enthusiasts and those seeking a dependable and capable SUV.
