The new special-edition models have a sporty makeover that includes front foglights, special alloy wheels, a sports front grille, side skirts, a rear spoiler and privacy glass.
Additional equipment for both models includes satellite-navigation, Bluetooth, climate control and cruise control.
The Mazda 3 Venture Edition also gains heated front seats and sportier interior trim. It's available with either a 1.6-litre petrol or 1.6-litre diesel engine. Prices start at 17,495 - a 500 premium over the TS2 model it's based on.
Additional upgrades for the Mazda 5 Venture Edition are black centre console trim and iPod connectivity. There's a 630 premium over the TS2 model it's based on; it's available with a 2.0-litre petrol or 1.6-litre diesel engine, with prices starting from 19,995.
Mazda 3 Venture Edition has a sporty makeover, including a bodykit and special alloy wheels
A range of colours is available for both new models; special low-rate finance packages are available until September 30.