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Uprated spring rates and a lower ride height have noticeably improved our 135i's handling

Original wheels are fine, but would some BMW Performance items be even better on our 135i?

Master plan is to transform our BMW 135i into a sharp trackday tool capable of rivalling the M3's Bedford lap time

Want to test drive and engineer performance cars for a living? Loris Bicocchi's school will teach you how

A comfy way to travel but the XF's satnav sometimes talks with a forked tongue...

The build-up is over. John Barker faces the Nürburgring 24 Hours, arguably the world's toughest motor race

Economy's improving on the Jaguar XF SV8 and it still does everything with effortless charm

Aston Martin's 600bhp brutish missile meets the traction control-civilised 661bhp of Mercedes' SL65 AMG Black

Whisper-quiet electric Tesla or petrol-powered traditional Lotus Elise? We find out which is fastest

Our Jaguar XF SV8 does everything well, but an XFR will probably do everything better!

John Barker enters a 4hr race at the Nürburgring. It’s his first ever race there – and it ends rather abruptly

This is the moment of truth for Jaguar’s XFR as it meets BMW’s own 500bhp supersaloon. John Barker takes notes

The most popular Superlight is back, and it’s faster than ever

New-year diet makes Lotus Exige more hardcore than ever before

Audi now offers its R8 with a 518bhp 5.2-litre V10 engine, but does it turn this desirable coupe into a true supercar?

Not much to report. Our Jaguar XF is still purring contentedly

Our Jaguar XF SV8 is easy to live with and continues to impress

Many desirable cars are suddenly looking temptingly affordable, and some of them look set to become classics. Here's where we'd put our money

Ferrari says the 430 Scuderia is as quick as an Enzo. We put it through a full performance test to find out if it’s true

Lousy weather has prevented too much exploration into the Jaguar XF SV8's handling capabilities

The newcomer to our Fleet, Jaguar's XF SV8, has been drawing admiring looks...

The Zolfe Orange weighs just 700kg, has 185bhp, is built right here in the uk and will cost as little as £27.5K when it goes on sale later this year

We drive five iconic Lotuses, from Elite to 2-Eleven

John Barker takes a 700bhp Gumpert Apollo to the Brighton Speed Trials

For self-confessed Capri-nut John Barker a chance to drive a race-spec RS2600 in the Le Mans Classic was a dream come true