Lexus UX (2019–)
Lexus UX hybrid revealed
In real-world city driving, the UX can run purely on electric power, with zero emissions and fuel consumption and near-silent operation, for up to 50 per cent of average European urban journeys.
The hybrid system offers a seamless blend of power from the highly efficient 2.0-litre four-cylinder petrol engine and the compact yet powerful electric motor(s). The UX250h is available with front-wheel drive, or with Lexus’s E-Four electric all-wheel drive system.
4,495mm long x 2,080mm wide (inc mirrors) x 1,540mm high on 2,640mm wheelbase.
Wheel and tyre sizes are 18-inch with 225/50 R18 tyres; 18-inch with 235/50 R18 tyres; 19-inch with 235/45 ZR19 tyres.
There's a new CVT, which is the world’s first to feature a launch gear that significantly improves transmission efficiency at low speeds. It delivers direct and smooth response to the driver’s use of the accelerator pedal, and improves fuel efficiency by 6% compared to its predecessor.
Toyota’s new 2.0 litre 180PS Dynamic Force Engine uses high-speed combustion technologies and a variable control system. It has been engineered to achieve higher thermal efficiency, with a reduction in the losses associated with exhaust and cooling systems, the friction between moving parts and other operating aspects.
For the 2.0 litre Dynamic Force Engines Toyota has developed a new hybrid electric system, using the same size, weight and loss-reducing technologies applied in the current, fourth generation Prius. The new system gives improved driving performance while maintaining superior fuel efficiency. Under acceleration, the hybrid system reduces engine revs while drawing increased electric power from the battery.
For All Wheel Drive models, Toyota has developed two new all-wheel drive systems with the aim of improving fuel efficiency and achieving high levels of AWD handling, stability and off-road performance.
The new Dynamic Torque Vectoring AWD system is designed for use in petrol-powered vehicles. It uses a torque vectoring mechanism, which independently distributes torque to the left and right wheels according driving conditions, allowing the driver to steer the vehicle exactly as intended.
The all-new Lexus UX 250h achieves class-leading fuel efficiency and emissions levels, with none of the inhibitions of plug-in charging or range limitations. It can deliver significant cost of ownership savings compared to its key competitors.
For business/company car drivers in particular, a first-year benefit-in-kind tax rate of 23 per cent places the UX250h well below rival diesel-powered models from BMW, Audi, Mercedes-Benz, Jaguar and Volvo; in the first three years of ownership, the tax saving can be almost £5,000. Factoring in depreciation, fuel costs, servicing, maintenance and repairs, car tax (VED) and employer National Insurance costs, the UX driver can enjoy savings of up to around £8,000 compared to key competitor models over a period of three years/60,000 miles (total ownership cost data from CAP; model quoted UX 250h Premium Pack).
The UX has no clutch, and the starter motor and alternator are integral to the hybrid system and require no servicing or replacement. In place of a conventional timing belt there is a maintenance-free timing chain. This simpler arrangement makes for savings in routine servicing and maintenance.
The regenerative braking system, which delivers the first half of all braking force, significantly reduces pad and disc wear. Over the course of 56,000 miles, a Lexus hybrid will usually require no disc replacement and just one set of replacement brake pads. Additionally, the higher tyre pressure of hybrid vehicles helps to decrease shoulder wear on tyres, while linear power delivery and the car’s balanced weight distribution reduce tyre wear even further.