The Lexus TX 350 AWD ECT-i, launched in October 2023, represents Lexus’s entry into the three-row mid-size luxury SUV segment. Positioned as a versatile family vehicle, the TX 350 utilizes a 2.4-liter turbocharged inline-four engine paired with an eight-speed automatic transmission and all-wheel drive. It aims to provide a balance of performance, comfort, and technology within the Lexus lineup, competing with established rivals like the Acura MDX and Infiniti QX60. The TX platform is built upon a stretched version of the GA-K platform found in the Lexus NX and Toyota Highlander, allowing for increased interior space and a more comfortable ride.
Technical Specifications
| Brand | Lexus |
| Model | TX |
| Generation | TX |
| Type (Engine) | 350 (275 Hp) AWD ECT-i |
| Start of production | October, 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 6-7 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 11.8 l/100 km (19.9 US mpg, 23.9 UK mpg, 8.5 km/l) |
| Fuel consumption (economy) – extra urban | 9 l/100 km (26.1 US mpg, 31.4 UK mpg, 11.1 km/l) |
| Fuel consumption (economy) – combined | 10.2 l/100 km (23.1 US mpg, 27.7 UK mpg, 9.8 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 60 mph | 7.8 sec |
| Maximum speed | 180 km/h (111.85 mph), Electronically limited |
| Emission standard | SULEV |
| Weight-to-power ratio | 7.5 kg/Hp, 133.2 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 208.2 Nm/tonne |
| Power | 275 Hp @ 6000 rpm |
| Power per litre | 114.9 Hp/l |
| Torque | 430 Nm @ 1700-3600 rpm (317.15 lb.-ft. @ 1700-3600 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | T24A-FTS |
| Engine displacement | 2393 cm3 (146.03 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 87.5 mm (3.44 in.) |
| Piston Stroke | 99.5 mm (3.92 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection and Multi-port manifold injection |
| Engine aspiration | Twin-scroll turbo, Intercooler |
| Valvetrain | DOHC, VVT-i |
| Engine oil capacity | 5.3 l (5.6 US qt | 4.66 UK qt) |
| Coolant | 11.5 l (12.15 US qt | 10.12 UK qt) |
| Kerb Weight | 2065-2145 kg (4552.55 – 4728.92 lbs.) |
| Max. weight | 2726-2781 kg (6009.8 – 6131.06 lbs.) |
| Max load | 636-661 kg (1402.14 – 1457.26 lbs.) |
| Trunk (boot) space – minimum | 572 l (20.2 cu. ft.) |
| Trunk (boot) space – maximum | 2747 l (97.01 cu. ft.) |
| Fuel tank capacity | 67 l (17.7 US gal | 14.74 UK gal) |
| Permitted trailer load with brakes (12%) | 2268 kg (5000.08 lbs.) |
| Length | 5160 mm (203.15 in.) |
| Width | 1990 mm (78.35 in.) |
| Height | 1780 mm (70.08 in.) |
| Wheelbase | 2950 mm (116.14 in.) |
| Front track | 1703-1713 mm (67.05 – 67.44 in.) |
| Rear (Back) track | 1711-1721 mm (67.36 – 67.76 in.) |
| Front overhang | 1050 mm (41.34 in.) |
| Rear overhang | 1160 mm (45.67 in.) |
| Ride height (ground clearance) | 200 mm (7.87 in.) |
| Drag coefficient (Cd) | 0.34 |
| Minimum turning circle (turning diameter) | 11.6 m (38.06 ft.) |
| Approach angle | 17.1° |
| Departure angle | 22.3° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission ECT-i |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs, 338 mm |
| Rear brakes | Ventilated discs, 338 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Wheel rims size | 20; 22 |
Powertrain & Engine Architecture
The heart of the TX 350 is the T24A-FTS, a 2.4-liter inline-four cylinder engine. This engine utilizes a combination of direct injection and multi-port fuel injection to optimize combustion efficiency and power delivery. A twin-scroll turbocharger with an intercooler further enhances performance by reducing turbo lag and increasing air density. The engine features a double overhead camshaft (DOHC) valvetrain with Variable Valve Timing-intelligent (VVT-i) technology, allowing for precise control over valve timing to maximize power and fuel economy across the engine’s operating range. The engine is mated to an eight-speed automatic transmission, marketed by Lexus as ECT-i (Electronically Controlled Transmission – intelligent). This transmission is designed for smooth and responsive shifting, and features adaptive shift logic that adjusts to driving conditions and driver input. The all-wheel-drive system is primarily front-wheel drive, engaging the rear wheels as needed for enhanced traction.
Driving Characteristics
The TX 350 AWD delivers a comfortable and refined driving experience. The 275 horsepower and 317 lb.-ft. of torque provide adequate acceleration, with a 0-60 mph time of 7.8 seconds. The eight-speed automatic transmission contributes to smooth gear changes, although it isn’t as aggressively tuned for performance as some competitors. The all-wheel-drive system provides confident handling in various weather conditions. Compared to a hypothetical higher-output version, the TX 350 prioritizes fuel efficiency and a more relaxed driving experience. The gear ratios are optimized for everyday driving, providing good low-end torque for merging and passing. While not a sports SUV, the TX 350 offers a composed and predictable ride.
Equipment & Trim Levels
The TX 350 comes standard with a comprehensive suite of features, including a 12.3-inch touchscreen infotainment system, wireless Apple CarPlay and Android Auto compatibility, a premium sound system, and a suite of advanced driver-assistance systems (ADAS) such as Lexus Safety System+ 3.0. Interior upholstery is typically NuLuxe simulated leather, with available upgrades to genuine leather. Available options include a panoramic sunroof, heated and ventilated front seats, a head-up display, and a Mark Levinson premium audio system. Trim levels generally offer increasing levels of luxury and technology, with higher trims adding features like larger wheels, more sophisticated interior trim, and advanced safety features.
Chassis & Braking
The TX 350 utilizes an independent suspension system at all four corners. The front suspension employs a McPherson strut design with coil springs and an anti-roll bar, while the rear suspension features a multi-link setup with a stabilizer bar. This configuration is tuned for a balance of ride comfort and handling stability. The braking system consists of ventilated discs on all four wheels, providing ample stopping power. Standard safety features include ABS (Anti-lock Braking System), Electronic Brake-force Distribution (EBD), and Brake Assist. The chassis is designed to minimize noise, vibration, and harshness (NVH), contributing to a quiet and refined cabin experience.
Market Reception & Comparison
Initial reviews of the Lexus TX 350 have been generally positive, with critics praising its spacious interior, comfortable ride, and comprehensive feature set. However, some reviewers have noted that its performance is not as engaging as some competitors. Fuel economy is competitive for its class, achieving around 23.1 US mpg combined. Compared to other trims in the TX lineup (such as the hybrid models), the TX 350 offers a more traditional driving experience without the complexity of a hybrid powertrain. Its reliability is expected to be high, consistent with Lexus’s reputation for build quality and durability.
Legacy
The long-term reliability of the T24A-FTS engine and the eight-speed automatic transmission remains to be seen, but Lexus has a strong track record of producing dependable powertrains. The TX 350 is expected to hold its value well in the used car market, due to the Lexus brand’s reputation for quality and resale value. As a relatively new model, the TX 350 is poised to become a popular choice for families seeking a luxurious and reliable three-row SUV.
