Stereo amplifiers

Price when reviewed: £899

ESSENTIALS BMW X3 20 xDrive M Sport Price: £50,175 Powertrain: 2.0-litre 4cyl petrol, 187bhp, plus 17bhp HEV motor 0-62mph: 7.8 seconds Test efficiency: 35.1mpg Official range: 502 miles Annual VED: £

M4 beast from £1,599 from apple.com/uk This M4 update to the already brilliant MacBook Pro line is an easy recommendation, so the big question becomes do you choose the 14in version from £1,599 or 16i

SECOND-HAND DSLR BARGAINS

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The cost of maintaining a car has risen by a third during the past decade, from an average of £403 to £606 per year. And the rising costs of car parts and the need for businesses to pass on increased