It’s Britain’s best road test route. A tough 250-mile mix of A and B- roads, a stretch of motorway, plus plenty of towns, villages, blind corners, ballistic straights, and a huge range of grippy to slippy Tarmac. There are two cafés, an off-road section for adventure and trail bikes, track time for sportsbikes, and Bruntingthorpe Proving Ground and the dyno for hard and fast data when needed. You want answers? We’ve got ’em.
1 Top gear
On the lorry-infested A605, the GS is happy making easy, lazy passes in sixth gear. Its smoothness and flexibility at low revs are astonishing given the pair of mammoth pistons flinging around in opposite directions 50 times a second. The BMW is happy running down to about 30mph in top without drama, whereas…