See also:

What’s it up against?
Equipped with a V8 engine, the GS’ biggest traditional rivals come from Germany – namely the BMW 550i and Mercedes-Benz E550. But can-do home-market competitor Infiniti’s new M56 presents serious ...

Performance
Review-OnRoad You need to work the 2.5-litre V6 petrol engine hard to extract maximum performance, but it pulls cleanly from low revs and is punchy enough for assured overtaking. Similarly, the di ...

Performance
Every good mark the RX line up earns in other areas is discredited by the hybrid's performance attributes. To get such excellent mileage, the V-6 engine is teamed with an electric motor and a larg ...