The Lexus RX 300, launched in 1997, represented Lexus’s entry into the burgeoning luxury crossover SUV market. Specifically, the RX 300 4WD variant, powered by the 1MZ-FE 3.0-liter V6 engine producing 201 horsepower, was a key model in establishing the brand’s reputation for refinement and reliability. Produced through 2003, this first-generation RX (designated the XU10 series) was built on a modified Toyota Camry platform, offering a comfortable and car-like driving experience in a more versatile package. The 4WD version accounted for a significant portion of RX 300 sales, appealing to buyers in regions with inclement weather or those desiring added stability. This particular configuration occupied a mid-range position within the RX 300 lineup, offering a balance between performance and affordability.
Technical Specifications
| Brand | Lexus |
| Model | RX |
| Generation | RX I |
| Type (Engine) | 300 4WD (201 Hp) |
| Start of production | 1997 |
| End of production | 2003 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 17.7 l/100 km (13.3 US mpg) |
| Fuel consumption (extra urban) | 10.3 l/100 km (22.8 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.2 sec |
| Acceleration 0 – 62 mph | 9.2 sec |
| Acceleration 0 – 60 mph | 8.7 sec |
| Maximum speed | 180 km/h (111.85 mph) |
| Weight-to-power ratio | 8.9 kg/Hp |
| Weight-to-torque ratio | 6.3 kg/Nm |
| Power | 201 Hp @ 5600 rpm |
| Torque | 283 Nm @ 4400 rpm (208.73 lb.-ft. @ 4400 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 1MZ-FE |
| Engine displacement | 2995 cm3 (182.77 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 87.5 mm (3.44 in.) |
| Piston Stroke | 83 mm (3.27 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 4.7 l (4.97 US qt | 4.14 UK qt) |
| Coolant | 9 l (9.51 US qt | 7.92 UK qt) |
| Kerb Weight | 1790 kg (3946.27 lbs.) |
| Max. weight | 2270 kg (5004.49 lbs.) |
| Max load | 480 kg (1058.22 lbs.) |
| Trunk (boot) space – minimum | 489 l (17.27 cu. ft.) |
| Trunk (boot) space – maximum | 1725 l (60.92 cu. ft.) |
| Fuel tank capacity | 75 l (19.81 US gal | 16.5 UK gal) |
| Length | 4580 mm (180.31 in.) |
| Width | 1815 mm (71.46 in.) |
| Height | 1660 mm (65.35 in.) |
| Wheelbase | 2619 mm (103.11 in.) |
| Front track | 1565 mm (61.61 in.) |
| Rear (Back) track | 1550 mm (61.02 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 4 |
| Gearbox type | automatic transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 215/70 R16 |
Powertrain & Engine Architecture
The heart of the RX 300 4WD is the 1MZ-FE, a 3.0-liter (2995 cc) 60-degree V6 engine. This engine utilizes a cast-iron block with an aluminum cylinder head, a common configuration for balancing durability and weight. It features dual overhead camshafts (DOHC) and four valves per cylinder, contributing to its relatively high output for its displacement. Fuel delivery is managed by a multi-port fuel injection system, providing precise fuel metering for optimal combustion. The 1MZ-FE is known for its smooth operation and inherent balance, minimizing vibrations. The engine is paired with a four-speed automatic transmission, a conventional torque converter unit designed for smooth and comfortable shifts. This transmission was chosen to complement the RX 300’s luxury focus, prioritizing refinement over outright performance. The 4WD system is a full-time system, utilizing a viscous coupling to distribute torque between the front and rear axles as needed, enhancing traction in various conditions.
Driving Characteristics
The RX 300 4WD, with its 201 horsepower and four-speed automatic, delivers adequate, though not exhilarating, performance. Acceleration from 0-60 mph takes approximately 8.7 seconds, which was competitive for a luxury crossover of its time. The automatic transmission’s gear ratios are tuned for comfort and fuel efficiency, resulting in a relaxed driving experience. While the engine provides sufficient torque for everyday driving and highway merging, it can feel strained when pushed hard. Compared to the later RX 330 with its more powerful engine, or even the RX 300 with a manual transmission (available in some markets), the 4WD automatic version feels less responsive. However, the 4WD system provides enhanced stability and confidence, particularly on slippery surfaces. The ride quality is a strong point, with the suspension effectively absorbing bumps and providing a comfortable experience for passengers.
Equipment & Trim Levels
The RX 300 4WD typically came standard with a generous array of features, reflecting its luxury positioning. These included power windows, power locks, power mirrors, a premium sound system, leather upholstery, and automatic climate control. Optional extras included a navigation system, a sunroof, and upgraded audio options. The interior design emphasized comfort and ergonomics, with well-placed controls and supportive seats. The dashboard layout is clean and straightforward, prioritizing ease of use. The 4WD variant didn’t necessarily have unique trim-specific features beyond the drivetrain itself; options were generally available across the RX 300 range.
Chassis & Braking
The RX 300 utilizes a fully independent suspension system, with coil springs and shock absorbers at all four corners. This setup contributes to the vehicle’s comfortable ride quality and stable handling. The front suspension features MacPherson struts, while the rear utilizes a double-wishbone configuration. Braking duties are handled by ventilated discs at the front and solid discs at the rear. An Anti-lock Braking System (ABS) is standard, enhancing safety by preventing wheel lockup during hard braking. The steering system is a rack-and-pinion setup with hydraulic power assistance, providing precise and responsive steering feel.
Market Reception & Comparison
The Lexus RX 300 was widely praised by critics for its comfortable ride, refined interior, and strong build quality. The 4WD variant was particularly well-received in regions with harsh winters or challenging road conditions. Fuel economy, however, was a common criticism, with the 3.0-liter V6 engine consuming a relatively high amount of fuel compared to some competitors. Compared to other trims, the 4WD automatic version offered a balance between capability and convenience, appealing to a broad range of buyers. The manual transmission RX 300, while less common, offered slightly better performance and fuel economy, but at the expense of refinement.
Legacy
The Lexus RX 300 established the brand as a major player in the luxury crossover SUV segment. The 1MZ-FE engine, while not known for being particularly groundbreaking, proved to be remarkably durable and reliable. Today, well-maintained RX 300s continue to be found on the road, a testament to their build quality. The 4WD automatic variant remains a popular choice among used car buyers seeking a comfortable, reliable, and capable SUV. While newer crossovers offer more advanced technology and features, the first-generation RX 300 remains a fondly remembered and respected vehicle.
