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Model Details

RX Hybrid Model Details

2012
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RXh 2012

THE 2012 RXh. INNOVATIVE POWER.

When the first RX Hybrid was introduced, it made a statement: Of all the ways to begin shaping the future of the automobile, none was more important than simply beginning. Multiple generations of hybrid technology later, the original luxury hybrid is even further ahead of its time.

The RX 450h is a fusion of fuel efficiency and performance. Equipped with a light, compact Lexus Hybrid Drive system combined with an Atkinson-cycle 3.5L V6 engine, the RX 450h produces 295 total system horsepower [1] for excellent performance and fuel efficiency. Also included is an Electronically controlled Continuously Variable Transmission with intelligence (ECVT-i). A uniquely designed double-wishbone rear suspension improves handling while increasing usable cargo room [2].

Inside, the interior features an available Remote Touch [3] device with voice command that can understand casual speech, plus available NavTraffic™ [4] [5] and NavWeather™ [4] [5]. Rear-seat passengers can enjoy a dual-screen DVD Rear-Seat Entertainment System (RSES) [6] that is capable of showing video from two independent sources.


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Engine
RX 450h FWD RX 450h AWD
Type Atkinson cycle 60o V6, aluminum block and heads  Atkinson cycle 60o V6, aluminum block and heads 
Displacement 3.5 liters (211 cubic inches)  3.5 liters (211 cubic inches) 
Valvetrain Four cam, four valves per cylinder, with Variable Valve Timing with intelligence (VVT-i)  Four cam, four valves per cylinder, with Variable Valve Timing with intelligence (VVT-i) 
Compression Ratio 12.5:1  12.5:1 
Electric-Drive Motors Front high-output, permanent-magnet, electric-drive motors  Front and rear high-output, permanent-magnet, electric-drive motors 
Total System Horsepower 295 hp [1]  295 hp [1] 
Emission Rating Certified Super Ultra-Low Emission Vehicle (SULEV II)  Certified Super Ultra-Low Emission Vehicle (SULEV II) 
 
Performance
RX 450h FWD RX 450h AWD
0–60 MPH Acceleration 7.8 seconds [1] [9]  7.4 seconds [1] [9] 
1/4-Mile Acceleration 16.0 seconds [1] [9]  15.6 seconds [1] [9] 
Top Track Speed (electronically limited) 112 mph [1] [9]  112 mph [1] [9] 
EPA Fuel Economy Ratings (city/highway/combined) 32/28/30 mpg [10]  30/28/29 mpg [10] 
Aerodynamic Drag Coefficient 0.33  0.33 
Turning Circle 38.8 ft  38.8 ft 
 
Drivetrain
RX 450h FWD RX 450h AWD
Transmission Electronically controlled Continuously Variable Transmission with intelligence (ECVT-i) with Sequential Shift and Snow modes  Electronically controlled Continuously Variable Transmission with intelligence (ECVT-i) with Sequential Shift and Snow modes 
Drive Wheels Front-wheel drive  Part-time all-wheel drive (AWD[13] with rear electric-drive motors 
 
Chassis
RX 450h FWD RX 450h AWD
Suspension (front) Independent, MacPherson struts with inversely wound coil springs, gas-pressurized shock absorbers and stabilizer bar  Independent, MacPherson struts with inversely wound coil springs, gas-pressurized shock absorbers and stabilizer bar 
Suspension (rear) Independent double-wishbone with coil springs, gas-pressurized shock absorbers and stabilizer bar  Independent double-wishbone with coil springs, gas-pressurized shock absorbers and stabilizer bar 
Steering Electronic Power Steering (EPS) system  Electronic Power Steering (EPS) system 
Brakes Four-wheel power-assisted discs with Electronic Controlled Braking (ECB), four-sensor, four-channel Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), Brake Assist [11] and regenerative function  Four-wheel power-assisted discs with Electronic Controlled Braking (ECB), four-sensor, four-channel Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), Brake Assist [11] and regenerative function 
Brake Size 12.9-in ventilated front, 12.2-in solid rear discs  12.9-in ventilated front, 12.2-in solid rear discs 
Wheels and Tires 18 x 7.5-in five-spoke alloy wheels with 235/60VR18 all-season tires [12]. Compact spare tire/wheel.  18 x 7.5-in five-spoke alloy wheels with 235/60VR18 all-season tires [12]. Compact spare tire/wheel. 

All specifications in this category are the same for all models.

 
Body / Dimensions
RX 450h FWD RX 450h AWD
Type Five-passenger hybrid luxury utility vehicle  Five-passenger hybrid luxury utility vehicle 
Construction Welded-steel unibody  Welded-steel unibody 
Overall Length 187.8 in (4,770 mm)  187.8 in (4,770 mm) 
Width 74.2 in (1,885 mm)  74.2 in (1,885 mm) 
Height 66.3 in (1,685 mm)  67.7 in (1,720 mm) 
Wheelbase 107.9 in (2,740 mm)  107.9 in (2,740 mm) 
Ground Clearance 6.9 in (175 mm)  6.9 in (175 mm) 
Approach Angle 28.5o  28.6o 
Departure Angle 24.6o  24.6o 
Cargo Capacity (behind rear seats) [2] 40.0 cu ft (1,132 L)  40.0 cu ft (1,132 L) 
Cargo Capacity (max) [2] 80.3 cu ft (2,272 L)  80.3 cu ft (2,272 L) 
Curb Weight 4,520 lb (2,050 kg)  4,652 lb (2,110 kg) 
Tow Capacity (max)
  
3,500 lb (1,588 kg) (with optional Towing Prep Package) [14] [15] 
Fuel-Tank Capacity 17.2 gal (65 L)  17.2 gal (65 L) 
Headroom 39.0/37.7 (992/958 mm) (w/o moonroof) (front/rear)  39.0/37.7 (992/958 mm) (w/o moonroof) (front/rear) 
Legroom 43.1/37.1 in (1,095/942 mm) (front/rear)  43.1/37.1 in (1,095/942 mm) (front/rear) 
Shoulder Room 57.9/57.5 in (1,473/1,462 mm) (front/rear)  57.9/57.5 in (1,473/1,462 mm) (front/rear) 
Hip Room 55.5/54.5 in (1,412/1,385 mm) (front/rear)  55.5/54.5 in (1,412/1,385 mm) (front/rear) 
 
[1]Ratings achieved using the required premium unleaded gasoline with an octane rating of 91 or higher. If premium fuel is not used, performance will decrease. [2]Cargo and load capacity limited by weight and distribution. [3]Be sure to obey traffic regulations and maintain awareness of road and traffic conditions. [4]Availability and accuracy of the information provided by the Navigation System or any SiriusXM services mentioned (if installed) are dependent upon many factors. Use common sense when relying on information provided. Services not available in every city or roadway. Periodic Navigation updates available at additional cost. See Navigation System Owner's Manual or contact SiriusXM for details. [5]SiriusXM services require a subscription after trial period. Subscriptions governed by SiriusXM Customer Agreement available at siriusxm.com. If you decide to continue your SiriusXM service at the end of your complimentary trial, the plan you choose will automatically renew and bill at then-current rates unless you call 1-800-967-2346 to cancel. Fees and programming subject to change. Available only to those at least 18 years of age in the 48 contiguous United States and D.C. [6]A single-disc DVD player is standard. A separate DVD player or game system utilizing the center console’s video/audio inputs is required in order to use the split-screen function of the dual-screen system. [7]MSRP does not include delivery, processing and handling fee of $910. Excludes taxes, title, license and optional equipment. Dealer price may vary. Does not include accessory options installed by dealer. [8]Delivery, processing and handling fee is based on the value of the processing, handling and delivery services Lexus provides, as well as Lexus' overall pricing structure. Lexus may make a profit on the delivery, processing and handling fee. [9]Performance figures are for comparison only and were obtained with prototype vehicles by professional drivers using special safety equipment and procedures. Do not attempt. [10]EPA MPG Estimates. Actual mileage will vary. [11]Brake Assist is designed to help the driver take full advantage of the benefits of ABS. It is not a substitute for safe driving practices. Braking effectiveness also depends on proper brake-system maintenance, tire and road conditions. [12]18-in performance tires are expected to experience greater tire wear than conventional tires. Tire life may be substantially less than 15,000 miles, depending upon driving conditions. [13]The RX 450h is not designed to be driven off-road. [14]Before towing, confirm your vehicle and trailer are compatible, hooked up and loaded properly and that you have any necessary additional equipment. Do not exceed any Weight Ratings and follow all instructions in your Owner's Manual. The maximum you can tow depends on the total weight of any cargo, occupants and available equipment. [15]Please consult your Lexus dealer or Owner's Manual for towing and load specifications. Back to top