The Mokka X is the more powerful of the three, offering a better 0-62mph time; but due to this it comes bottom for emissions and fuel economy. It's boot is small by comparison and it lacks several features which come as standard with the S-Cross SZ-T. Not only that, it's starting price is £2,286 more than the Suzuki.
The Peugeot 3008 Active conversely, offers similar economy figures to the S-Cross and hosts the largest boot of the three, but its starting price is an eye-watering £5,731 more than the S-Cross. It also lacks several features which come as standard with the Suzuki, adding a further £1,070 onto that starting price if you want to add Sat Nav and electric folding door mirrors.
All of this speaks for itself, so the S-Cross comes top of our list especially when it comes to value for money and running costs: some of the most important factors when choosing a car. It's not only the cheapest car of the three but beats the Vauxhall Mokka X and Peugeot 3008 on economy, reliability and standard features.