I'm afraid it uses nothing of Burnin' Rubber or any of the usual Ocean programming talent.
This was farmed out to Ian Morrison and ICE - purveyor of dire racing games.
Yes its the same guys who did Cisco Heat, I talk about CHQ2 a lot at the start of the video too -
[AMSTRAD CPC] Cisco Heat - Review & Longplay (Part 1 of 2)
[AMSTRAD CPC] Cisco Heat - Review & Longplay (Part 1 of 2)Just compare the poor scaling and music to the CHQ2 video.......!
ICE also did Hydra and Turbo Outrun (the latter of which was passible - although they had nothing to do with the original Outrun that was Probe)
Retro Gamer magazine who have seen the game in action (James Bridges' copy) said it played identical to the Speccy version and from this new video looks the case apart from recoloured graphics.
Inept Reviews: Chase HQ 2 Special Criminal Investigation