The Toyota Avalon V (XX50) 3.5 V6 Automatic, produced from 2018 to 2022, represents the fifth generation of Toyota’s full-size sedan. Positioned as a more premium offering within the Toyota lineup, the XX50 Avalon aimed to compete with established American luxury sedans like the Buick LaCrosse and Chrysler 300. This particular variant, equipped with the 3.5-liter V6 engine and an eight-speed automatic transmission, served as the mainstream powertrain option, balancing performance with fuel efficiency and comfort. It occupied the middle ground in the Avalon range, offering more power than the hybrid model but remaining more accessible than potential future performance-oriented trims.
Technical Specifications
| Brand | Toyota |
| Model | Avalon |
| Generation | Avalon V (XX50) |
| Type (Engine) | 3.5 V6 (301 Hp) Automatic |
| Start of production | 2018 |
| End of production | 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l) |
| Fuel consumption (extra urban) | 7.3-7.6 l/100 km (32.2 – 30.9 US mpg, 38.7 – 37.2 UK mpg, 13.7 – 13.2 km/l) |
| Fuel consumption (combined) | 9.0-9.4 l/100 km (26.1 – 25 US mpg, 31.4 – 30.1 UK mpg, 11.1 – 10.6 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 5.4 kg/Hp, 186.4 Hp/tonne |
| Weight-to-torque ratio | 4.5 kg/Nm, 224.1 Nm/tonne |
| Power | 301 Hp @ 6600 rpm |
| Power per litre | 87.1 Hp/l |
| Torque | 362 Nm @ 4700 rpm (267 lb.-ft. @ 4700 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 2GR-FKS |
| Engine displacement | 3456 cm3 (210.9 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Compression ratio | 11.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC, VVT-i |
| Engine oil capacity | 5.4 l (5.71 US qt | 4.75 UK qt) |
| Coolant capacity | 8.6 l (9.09 US qt | 7.57 UK qt) |
| Kerb Weight | 1615-1680 kg (3560.47 – 3703.77 lbs.) |
| Trunk (boot) space | 456 l (16.1 cu. ft.) |
| Fuel tank capacity | 55-60 l (14.53 – 15.85 US gal | 12.1 – 13.2 UK gal) |
| Length | 4976 mm (195.91 in.) |
| Width | 1849 mm (72.8 in.) |
| Height | 1435 mm (56.5 in.) |
| Wheelbase | 2870 mm (112.99 in.) |
| Front track | 1590-1600 mm (62.6 – 62.99 in.) |
| Rear track | 1610-1615 mm (63.39 – 63.58 in.) |
| Ride height (ground clearance) | 135 mm (5.31 in.) |
| Drag coefficient (Cd) | 0.27 |
| Minimum turning circle | 11.5-11.8 m (37.73 – 38.71 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 8 |
| Gearbox type | Automatic transmission Direct Shift |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 215/55 R17; 235/45 R18; 235/40 R19 |
| Wheel rims size | 17; 18; 19 |
INTRODUCTION
The fifth-generation Toyota Avalon, launched for the 2018 model year, represented a significant departure from its predecessors. Built on the TNGA (Toyota New Global Architecture) platform, specifically the GA-K variant, the XX50 Avalon prioritized a more engaging driving experience and a more sophisticated interior. The 3.5-liter V6 engine paired with an eight-speed automatic transmission was the primary engine choice for buyers seeking a balance between performance and fuel economy. This combination aimed to deliver smooth acceleration and comfortable cruising, making it well-suited for long highway journeys, a common use case for full-size sedans in the American market.
Powertrain & Engine Architecture
The heart of this Avalon variant is the 2GR-FKS 3.5-liter dual-injection D-4S V6 engine. This engine utilizes both direct and port fuel injection to optimize combustion efficiency and power delivery. The D-4S system allows for precise fuel control across a wider range of engine speeds and loads. The engine features a 60-degree V-angle, contributing to a smoother power delivery and reduced vibrations. It boasts a dual overhead camshaft (DOHC) design with Toyota’s VVT-i (Variable Valve Timing-intelligent) system, which continuously adjusts valve timing to maximize performance and fuel efficiency. The eight-speed automatic transmission, a significant upgrade from the six-speed unit in previous generations, provides quick and smooth gear changes. This transmission features a torque converter for smooth low-speed operation and a wide gear ratio spread for both acceleration and highway cruising.
Driving Characteristics
The 3.5 V6 Automatic Avalon delivers a refined and comfortable driving experience. With 301 horsepower and 267 lb.-ft. of torque, acceleration is brisk, allowing for confident merging and overtaking maneuvers. The eight-speed automatic transmission is well-tuned, providing seamless shifts and keeping the engine in its optimal power band. Compared to the hybrid Avalon, the V6 model offers noticeably stronger acceleration, particularly at higher speeds. While not a sports sedan, the Avalon handles corners with composure, thanks to its well-tuned suspension. The steering is light and precise, making it easy to maneuver in city traffic. The gear ratios are optimized for both fuel efficiency and responsive acceleration, with a relatively tall final drive for highway cruising.
Equipment & Trim Levels
The 3.5 V6 Automatic Avalon was available in several trim levels, including XLE and Limited. The XLE trim typically included standard features such as leather upholstery, heated front seats, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, and a suite of safety features including Toyota Safety Sense P. The Limited trim added features like premium leather, ventilated front seats, a premium audio system, and a panoramic sunroof. Optional extras included a rear-seat entertainment system, adaptive cruise control, and a head-up display.
Chassis & Braking
The Avalon XX50 utilizes a front-wheel-drive layout with an independent McPherson strut suspension in the front and an independent multi-link suspension in the rear. This suspension setup provides a comfortable ride while maintaining good handling characteristics. The Limited trim often featured slightly stiffer dampers for a more controlled feel. Braking duties are handled by ventilated discs at all four corners, providing ample stopping power. Anti-lock brakes (ABS) and electronic brake-force distribution (EBD) are standard features, enhancing safety and stability. The Avalon’s chassis is designed to minimize noise, vibration, and harshness (NVH), contributing to a quiet and refined cabin experience.
Market Reception & Comparison
Critics generally praised the fifth-generation Avalon for its improved driving dynamics, comfortable ride, and spacious interior. The 3.5 V6 Automatic variant was well-received for its smooth power delivery and responsive transmission. Fuel economy was considered competitive for its class, although the hybrid model offered significantly better mileage. Compared to the hybrid Avalon, the V6 model was favored by drivers who prioritized performance over maximum fuel efficiency. It also offered a more traditional driving experience, lacking the continuously variable transmission (CVT) found in the hybrid. Against competitors like the Buick LaCrosse and Chrysler 300, the Avalon was often lauded for its reliability and resale value.
Legacy
The Toyota Avalon V (XX50) 3.5 V6 Automatic has proven to be a reliable and durable vehicle. The 2GR-FKS engine is known for its longevity and relatively low maintenance costs. While not without its minor issues (such as potential oil consumption in some early production models), the powertrain has generally held up well over time. On the used car market, these Avalons are sought after for their combination of comfort, reliability, and value. They represent a compelling option for buyers looking for a spacious and well-equipped full-size sedan without the premium price tag of luxury brands.








