The Vauxhall Insignia EcoFlex stands out as a practical choice for drivers prioritizing fuel savings without sacrificing space or comfort. This diesel-powered model combines sharp styling with engineering focused on low emissions and high mileage, making it perfect for long commutes or family road trips. With official figures promising up to 68mpg and over 1,000 miles per tank, it appeals to budget-conscious motorists in urban and highway settings alike.
Engine Performance and Efficiency Breakdown
At the heart of the Insignia EcoFlex is a refined 1.6 CDTi diesel engine delivering 136-140bhp, paired with a six-speed manual gearbox and start-stop technology. This setup ensures effortless acceleration for overtaking, with 0-60mph times around 10.9 seconds and top speeds nearing 130mph. Real-world tests confirm its frugality, often achieving 60-74mpg combined, thanks to low CO2 outputs under 100g/km.
- Power Output: 136bhp with overboost for 300Nm torque bursts.
- Fuel Economy: Official 68-74.3mpg; test averages 61.4mpg.
- Emissions: 99g/km CO2, qualifying for zero road tax and ULEZ compliance.
- Transmission: Smooth six-speed manual with efficient shifting.
Drivers report minimal noise intrusion, rivaling petrol counterparts, while the engine’s torque-rich nature excels on motorways. For those covering high annual mileage, this translates to substantial savings—potentially £500+ yearly on fuel compared to less efficient rivals.
Design and Exterior Highlights
The Insignia’s exterior blends aggressive lines with aerodynamic tweaks for the EcoFlex variant, including subtle eco badging and efficient wheel designs. Available in appealing metallic shades like green, it features 17-18-inch alloys, front fog lamps, and LED accents that add a premium touch. The Sports Tourer estate option expands practicality with a large tailgate for easy loading.
| Feature | Description | Benefit |
|---|---|---|
| Alloy Wheels | 17-18 inch | Improved grip and style |
| LED Lights | Adaptive xenon options | Better visibility, modern look |
| Aero Tweaks | Lower drag coefficient | Enhanced fuel efficiency |
| Metallic Paint | Multiple choices | Premium finish, resale value |
These elements not only enhance road presence but contribute to the model’s eco credentials by reducing wind resistance.
Interior Comfort and Technology
Step inside, and the cabin impresses with supportive seats, adjustable steering, and ample adjustment for all occupants. Materials feel upgraded in later models, with dual-zone climate control blowing ice-cold air and ambient lighting creating a welcoming atmosphere at night. Infotainment shines via an 8-inch touchscreen supporting Apple CarPlay, Android Auto, DAB radio, Bluetooth, and navigation on higher trims.
- Multi-adjustable driver’s seat with lumbar support.
- Electric windows, heated mirrors, and armrests front/rear.
- Cruise control and speed-sensitive power steering for relaxed drives.
- Touchscreen interface replacing button clutter for intuitive use.
Space is generous, with good headroom, legroom, and fold-flat rear seats creating a flat load floor. Boot capacity suits family needs, easily swallowing strollers or shopping hauls.
Safety and Driver Assistance Features
Safety is comprehensive, with ABS, EBD, ESP, traction control, and multiple airbags standard. Parking is aided by front/rear sensors, auto wipers/lights, and optional adaptive headlights. The chassis delivers composed handling, cornering nimbly despite its size, and a comfy ride absorbing bumps effectively.
ULEZ compliance adds peace of mind for city driving, avoiding charges in low-emission zones—a key perk amid tightening regulations.
Practicality for Everyday Use
As a family hauler, the Insignia excels in versatility. The estate version offers vast cargo space, while the hatchback suits urban parking. High-mileage users praise its motorway poise, quiet refinement, and low running costs. Maintenance is straightforward, with diesel reliability shining through, though some note occasional turbo or DPF issues in high-use scenarios—best mitigated with regular servicing.
Running Costs and Ownership Experience
Zero road tax, cheap insurance groups, and stellar economy keep bills low. Resale holds decently for well-maintained examples, especially ULEZ-compliant ones. Warranty coverage and parts availability from Vauxhall networks add reliability. Compared to newer EVs, it offers immediate affordability without charging infrastructure hassles.
| Cost Factor | Estimate | Notes |
|---|---|---|
| Road Tax | £0 | Sub-100g/km CO2 |
| Fuel (12k miles/year) | ~£800 | At 68mpg, £1.40/litre |
| Insurance | Group 19-22 | Average for class |
| Service | £200-300/year | Dealer intervals |
Pros and Cons at a Glance
- Pros: Exceptional economy, spacious interior, well-equipped, ULEZ-ready, value-packed.
- Cons: Diesel clatter under hard acceleration, dated infotainment in base models, potential DPF maintenance.
Who Should Buy the Insignia EcoFlex?
Ideal for fleet drivers, families, or commuters needing efficiency and space. It undercuts premium rivals like VW Passat or Ford Mondeo on price while matching comfort. If you’re eyeing used 2013-2017 models, seek low-mileage, serviced examples for best returns.
Frequently Asked Questions (FAQs)
Is the Vauxhall Insignia EcoFlex ULEZ compliant?
Yes, its low CO2 emissions (under 100g/km) make it fully compliant for London and similar zones.
What is the real-world fuel economy?
Owners report 55-65mpg on mixed driving, with highway figures hitting 70mpg.
Are there reliability concerns?
Generally solid, but monitor DPF and timing chains; regular oil changes prevent issues.
How does it compare to newer models?
Offers better value than post-2020 electrics, with proven diesel tech for long hauls.
What’s the boot space like?
Hatch: 530 litres; Estate: up to 1,665 litres with seats folded—excellent for families.
References
- 2016 Vauxhall Insignia 1.6 cdti EcoFlex Review — ASHTONS CARS (YouTube). 2016.
- Time Well Spent: Vauxhall Insignia Tech Line 1.6 CDTi ecoFLEX — Auto Britannia. 2016-06-19. https://autobritannia.net/2016/06/19/time-well-spent-vauxhall-insignia-tech-line-1-6-cdti-ecoflex/
- Opel Insignia 2.0 CDTI ecoFLEX review — Dedoimedo. N/A. https://www.dedoimedo.com/life/opel-insignia-review.html
- Vauxhall Insignia Sports Tourer SRi 2.0 CDTi 140 ecoFLEX Review — The AA. 2014-01. https://www.theaa.com/car-reviews/vauxhall/insignia/sports-tourer-sri-2-0-cdti-140-ecoflex-start-stop
- Long term test: Vauxhall Insignia 2.0 CDTi 160 EcoFlex Elite — Petrolblog. N/A. https://petrolblog.com/articles/long-term-test-vauxhall-insignia-2-0-cdti-160-ecoflex-elite
- Vauxhall Insignia review — Motor Match. N/A. https://www.motormatch.com/blog/vauxhall-insignia-review/

