2026 Lexus RX 450H F Sprt Design Phev CVT 2.5L Hybrid electric · 10 TJC

The Lexus RX 450h is a self-charging hybrid, but this PHEV variant offers a useful electric-only range (manufacturer figures suggest around 40 miles, though real-world results vary). Fuel economy depends heavily on charging habits: regular charging can deliver 100+ mpg equivalent, while running primarily on petrol may see figures closer to 35-40 mpg. The 2.5-litre petrol engine is paired with a CVT automatic transmission, which is generally efficient but not exciting to drive.

Insurance for the RX 450h F Sport Design typically falls in groups 40-44, reflecting its premium positioning and performance-adjacent trim — expect premiums of £800-£1,200 annually for an average driver. Road tax (VED) for a hybrid of this value sits in the higher bands, with a standard rate supplement likely applying for vehicles priced above £40,000. Annual tax is approximately £170-£590 depending on exact list price and the current VED rules applicable at first registration. Lexus servicing intervals are typically every 12 months or 10,000 miles, and a main dealer service generally costs £250-£400.

Estimated annual running costs sit in the £2,000-£2,800 range, including fuel, insurance, tax, and routine maintenance. PHEV-specific wear items such as the charging cable (£150-£300 if replaced) and potential battery conditioning checks can add to long-term costs. However, the hybrid system generally reduces brake wear due to regenerative braking, which is a small saving over time.

With no MOT history to reference, the inspection checklist for this vehicle must be entirely visual, mechanical, and electronic. Begin with the high-voltage system: the charging port flap, cable connectors, and any signs of corrosion or damage around the charging socket area. On a nearly-new car, these components should be pristine — any wear here could suggest the vehicle has been used as a taxi or pool car, which is a common fate for premium PHEVs.

Examine the CVT transmission behaviour during a test drive. CVTs can develop juddering or rubber-band acceleration feel even at low mileages if the fluid has not been changed or if there are software issues. The RX 450h uses an e-CVT system, which should deliver smooth, linear response. Listen for any unusual whine from the transmission tunnel, particularly during transition between electric and petrol power. Check the infotainment and driver display for any warning messages, error codes, or remaining service items that should have been addressed.

The 2,487cc Atkinson-cycle engine is generally robust, but inspect for oil leaks around the cam covers and the area beneath the vehicle. The hybrid battery pack is located beneath the rear seat, so check the boot and undertray for any signs of water ingress or impact damage, as this could affect battery integrity. The F Sport Design trim typically features larger alloy wheels — inspect these for kerb damage, which is common on premium SUVs used in urban environments. Finally, verify that all driver assistance systems (pre-collision, lane departure, blind spot monitoring) function correctly, as these are complex and expensive to repair if faulty.