The Skoda Octavia III 1.4 G-TEC (110 hp) CNG DSG, produced from November 2013 to 2017, represents a unique offering within the third-generation Octavia (A7) lineup. This variant combined a turbocharged, direct-injection 1.4-liter gasoline engine with a dedicated Compressed Natural Gas (CNG) fuel system and a seven-speed dual-clutch transmission (DSG). Positioned as an eco-conscious alternative, it aimed to provide lower running costs and reduced emissions compared to the standard gasoline-powered Octavia models, while still offering the practicality and space the Octavia was known for. The Octavia III, built on the Volkswagen Group’s A7 platform (also known as the PQ35), was a significant step forward in terms of technology, safety, and refinement for the Czech automaker.
Powertrain & Engine Architecture
The heart of the Octavia 1.4 G-TEC is the EA211 engine family, specifically the CPWA engine code. This 1395 cc (85.13 cu. in.) inline-four cylinder engine utilizes direct fuel injection and is turbocharged with an intercooler. The engine produces 110 horsepower (hp) at 4800-6000 rpm and 200 Newton-meters (147.51 lb-ft) of torque between 1500-3500 rpm. The direct injection system, a key feature of the EA211 series, allows for precise fuel delivery and improved combustion efficiency. The engine also incorporates a variable valve timing system (DOHC) to optimize performance across the rev range.
What sets this variant apart is its bi-fuel capability. The 1.4 G-TEC can run on either gasoline or Compressed Natural Gas (CNG). When operating on CNG, the engine management system automatically switches fuel sources. A 15 kg capacity CNG tank is integrated into the vehicle, typically located in the spare wheel well, reducing trunk space. The system prioritizes CNG usage, switching to gasoline only when the CNG tank is depleted. The EA211 engine was designed from the outset to accommodate CNG, with reinforced pistons, valves, and valve seats to withstand the higher combustion temperatures associated with CNG.
The seven-speed DSG (Direct-Shift Gearbox) transmission is a crucial component of this powertrain. The DSG provides quick, seamless gear changes and contributes to the vehicle’s fuel efficiency. The gear ratios are optimized for both city and highway driving, balancing acceleration with fuel economy. The DSG also features a manual shift mode for drivers who prefer more control.
Fuel System Details
The CNG system includes a pressure regulator, fuel injectors specifically designed for CNG, and a sophisticated electronic control unit (ECU) that manages the fuel switching process. The ECU monitors the CNG tank pressure and automatically adjusts the fuel mixture to ensure optimal engine performance. The gasoline fuel system remains a standard direct-injection setup, providing a backup fuel source when CNG is unavailable.
Driving Characteristics
The Octavia 1.4 G-TEC with the DSG transmission offers a comfortable and refined driving experience. While not a performance-oriented model, the 110 hp engine provides adequate power for everyday driving situations. Acceleration from 0-100 km/h (0-62 mph) takes approximately 11 seconds, and the top speed is 195 km/h (121.17 mph). The DSG transmission contributes to smooth and responsive acceleration, particularly during overtaking maneuvers.
Compared to the 1.8 TSI gasoline variants, the 1.4 G-TEC offers less outright performance. The 1.8 TSI, with its larger displacement and higher power output, provides significantly quicker acceleration and a more engaging driving experience. However, the 1.4 G-TEC excels in fuel economy, especially when running on CNG. The lower torque output of the 1.4 G-TEC is noticeable, particularly when fully loaded or driving uphill. The DSG transmission helps to mitigate this by keeping the engine in its optimal power band.
Equipment & Trim Levels
The Octavia 1.4 G-TEC was typically offered in mid-range trim levels, often equivalent to the “Ambiente” or “Elegance” trims in other Octavia models. Standard equipment generally included air conditioning, power windows, central locking, an infotainment system with a touchscreen display, and alloy wheels. Safety features such as ABS, ESP (Electronic Stability Program), and multiple airbags were also standard.
Optional extras included features such as parking sensors, a navigation system, heated seats, and a panoramic sunroof. Interior upholstery was typically cloth, with leather upholstery available as an option. The dashboard layout was consistent with other Octavia III models, featuring a clean and modern design. Specific trim details could vary depending on the market and year of production.
Chassis & Braking
The Octavia 1.4 G-TEC utilizes a McPherson strut front suspension and an independent multi-link rear suspension. This suspension setup provides a good balance between ride comfort and handling. The suspension components are tuned to accommodate the vehicle’s weight and the characteristics of the 1.4 G-TEC powertrain. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering.
The braking system consists of ventilated discs on the front wheels and solid discs on the rear wheels. ABS (Anti-lock Braking System) is standard, providing enhanced braking performance and stability. The electric power steering system offers precise and responsive steering feel. Tire size is typically 205/55 R16.
Market Reception & Comparison
The Octavia 1.4 G-TEC was generally well-received by critics as a practical and economical alternative to traditional gasoline-powered vehicles. Its low running costs, particularly when utilizing CNG, were a major selling point. However, the limited availability of CNG refueling stations in some regions was a drawback. Compared to the diesel-powered Octavia models, the 1.4 G-TEC offered lower CO2 emissions, but slightly higher fuel consumption when running on gasoline. The 1.8 TSI models were praised for their performance, but the 1.4 G-TEC appealed to buyers prioritizing fuel efficiency and environmental considerations.
Fuel economy figures are rated at 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg) on a combined cycle when running on gasoline, and 3.5 kg/100 km when running on CNG. CO2 emissions are 123 g/km on gasoline and 94 g/km on CNG.
Technical Specifications
| Brand | Skoda |
| Model | Octavia |
| Generation | Octavia III |
| Type (Engine) | 1.4 G-TEC (110 Hp) CNG DSG |
| Start of production | November, 2013 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (NEDC) | 6.5 l/100 km (36.2 US mpg, 43.5 UK mpg) |
| Fuel consumption (economy) – urban (CNG) (NEDC) | 4.5 kg/100 km |
| Fuel consumption (economy) – extra urban (NEDC) | 4.6 l/100 km (51.1 US mpg, 61.4 UK mpg) |
| Fuel consumption (economy) – extra urban (CNG) (NEDC) | 2.9 kg/100 km |
| Fuel consumption (economy) – combined (NEDC) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg) |
| Fuel consumption (economy) – combined (CNG) (NEDC) | 3.5 kg/100 km |
| CO2 emissions (NEDC) | 123 g/km |
| CO2 emissions (CNG) (NEDC) | 94 g/km |
| Fuel Type | Petrol / CNG |
| Acceleration 0 – 100 km/h | 11 sec |
| Acceleration 0 – 62 mph | 11 sec |
| Acceleration 0 – 60 mph | 10.5 sec |
| Maximum speed | 195 km/h (121.17 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 12.2 kg/Hp |
| Weight-to-torque ratio | 6.7 kg/Nm |
| Power | 110 Hp @ 4800-6000 rpm |
| Torque | 200 Nm @ 1500-3500 rpm (147.51 lb.-ft. @ 1500-3500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | EA211 / CPWA |
| Engine displacement | 1395 cm3 (85.13 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 74.5 mm (2.93 in.) |
| Piston Stroke | 80 mm (3.15 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 10.2 l (10.78 US qt | 8.97 UK qt) |
| Kerb Weight | 1344 kg (2963.01 lbs.) |
| Max. weight | 1892 kg (4171.15 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Trunk (boot) space – maximum | 1450 l (51.21 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| CNG cylinder capacity | 15 kg |
| Length | 4659 mm (183.43 in.) |
| Width | 1814 mm (71.42 in.) |
| Height | 1461 mm (57.52 in.) |
| Wheelbase | 2680 mm (105.51 in.) |
| Number of gears and type of gearbox | 7 gears, automatic transmission DSG |
Legacy
The Skoda Octavia III 1.4 G-TEC represents a significant step in Skoda’s commitment to alternative fuel vehicles. While CNG infrastructure remains a limiting factor in many markets, the 1.4 G-TEC offered a viable and economical option for environmentally conscious buyers. On the used car market, these models are generally considered reliable, provided the CNG system has been properly maintained. The EA211 engine is known for its durability, and the DSG transmission, while requiring occasional servicing, is generally robust. The Octavia’s spacious interior and practical design continue to make it a popular choice, even years after production ended. The 1.4 G-TEC variant, in particular, appeals to buyers seeking a fuel-efficient and environmentally friendly vehicle with a lower total cost of ownership.
