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In-depth reviews

Vauxhall Astra review - MPG, CO2 and Running Costs

All Vauxhall Astra models are impressively eco-friendly, with excellent figures from the 1.5-litre diesel versions

The Vauxhall Astra’s refreshed engine range brings with it improvements in fuel economy and emissions. Emissions across the range sit around 100g/km, with plenty dipping just below this – to the benefit of fleet users in the battle against Benefit-in-Kind rates. Average fuel economy figures don’t dip below 50mpg, aside from the most powerful 1.4-litre (145PS) CVT auto model (47.1mpg).

The most efficient options in the range are the diesels. The lesser-powered six-speed manual version in entry-level SE spec, returns 62.8–65.7mpg on average under the WLTP testing procedure, and emits just 91g/km. Provided you don’t need to drive in diesel-banned city centres very often, this engine is the most frugal choice.

Vauxhall claims all 1.2-litre petrol versions (110PS, 130PS and 145PS) manage to emit 99g/km of CO2, while WLTP figures show average efficiency of between 51.4mpg and 54.3mpg.

The automatics fare well, too. The CVT-equipped, 145PS 1.4-litre engine manages 115g/km of CO2 and 47.1–50.4mpg on average, while the nine-speed available in conjunction with the most powerful 1.5-litre diesel engine returns up to 56.5mpg on average and emits just 109g/km of CO2.

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There’s little doubt that the Astra’s revised engine line-up has kept it competitive in this segment – it’s a welcome bonus that each unit performs well too.

Insurance groups 

Insurance groups are on par with those of the Astra's rivals, especially with the strong raft of safety and security kit the Astra gets as standard. Lower-spec cars start at group 14, rising to group 19 for the 1.5-litre diesel (122PS) in Ultimate Nav trim.

Depreciation

The Astra has never been a particularly strong performer when it comes to depreciation, due to the numbers finding their way onto the market and the fact that the old car was never a class leader.

The latest model is proving to be much better – although we’d expect the current predictions to soften over time. Being first with new tech on the market will mean that the Astra will be first with new tech on the used market, too, which will contribute to better residual values than the old model.

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Which Is Best

Cheapest

  • Name
    1.2 Turbo SE 5dr
  • Gearbox type
    Manual
  • Price
    £18,000

Most Economical

  • Name
    1.2 Turbo SE 5dr
  • Gearbox type
    Manual
  • Price
    £18,000

Fastest

  • Name
    1.4 Turbo SE 5dr Auto
  • Gearbox type
    Semi-auto
  • Price
    £20,000
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