The Volkswagen New Beetle Convertible, particularly the facelifted version produced from 2005 to 2010, represented a continuation of the retro-inspired design that initially captivated buyers in the late 1990s. The 1.8 Turbo variant, producing 150 horsepower, occupied a significant middle ground within the New Beetle Convertible lineup, offering a balance between affordability, performance, and fuel efficiency. This model year saw updates to the exterior styling, including revised bumpers, headlights, and taillights, as well as interior refinements. It was positioned as a stylish and accessible open-top option, appealing to a broader demographic than the more performance-oriented or luxury-trimmed versions.
Technical Specifications
| Brand | Volkswagen |
| Model | Beetle |
| Generation | NEW Beetle Convertible (facelift 2005) |
| Type (Engine) | 1.8 Turbo (150 Hp) |
| Start of production | 2005 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 11.1 l/100 km (21.2 US mpg) |
| Fuel consumption (extra urban) | 6.5 l/100 km (36.2 US mpg) |
| Fuel consumption (combined) | 8.2 l/100 km (28.7 US mpg) |
| CO2 emissions | 196 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.3 sec |
| Acceleration 0 – 62 mph | 9.3 sec |
| Acceleration 0 – 60 mph | 8.8 sec |
| Maximum speed | 202 km/h (125.52 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 9.3 kg/Hp |
| Weight-to-torque ratio | 6.3 kg/Nm |
| Power | 150 Hp @ 5800 rpm |
| Torque | 220 Nm @ 2000 rpm (162.26 lb.-ft. @ 2000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | AWU |
| Engine displacement | 1781 cm3 (108.68 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 81 mm (3.19 in.) |
| Piston Stroke | 86.4 mm (3.4 in.) |
| Compression ratio | 9.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Coolant | 5 l (5.28 US qt | 4.4 UK qt) |
| Kerb Weight | 1388 kg (3060.02 lbs.) |
| Max. weight | 1850 kg (4078.55 lbs.) |
| Max load | 462 kg (1018.54 lbs.) |
| Trunk (boot) space – minimum | 201 l (7.1 cu. ft.) |
| Fuel tank capacity | 55 l (14.53 US gal | 12.1 UK gal) |
| Permitted trailer load with brakes (12%) | 1000 kg (2204.62 lbs.) |
| Permitted trailer load without brakes | 600 kg (1322.77 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4129 mm (162.56 in.) |
| Width | 1721 mm (67.76 in.) |
| Height | 1502 mm (59.13 in.) |
| Wheelbase | 2516 mm (99.06 in.) |
| Front track | 1507 mm (59.33 in.) |
| Rear (Back) track | 1487 mm (58.54 in.) |
| Ride height (ground clearance) | 130 mm (5.12 in.) |
| Drag coefficient (Cd) | 0.38 |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Semi-independent, coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Tires size | 205/55 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The heart of the 1.8 Turbo New Beetle Convertible was the Audi-derived 1.8-liter inline-four cylinder engine, specifically the AWU engine code. This engine featured a cast iron block and an aluminum cylinder head, incorporating multi-point fuel injection and a turbocharger with an intercooler. The turbocharger significantly boosted power output compared to naturally aspirated versions of the 1.8L engine. The engine’s 16-valve configuration (four valves per cylinder) contributed to its relatively high specific output. The 5-speed manual transmission was the standard offering, providing a direct connection between the engine and the front wheels. The engine’s design prioritized drivability and responsiveness over outright peak power, with a broad torque curve that made it suitable for everyday driving.
Driving Characteristics
The 150 horsepower and 162 lb-ft of torque delivered by the 1.8 Turbo engine provided adequate performance for the New Beetle Convertible. Acceleration from 0-60 mph took around 8.8 seconds, making it competitive with other small convertibles of the era. While not a sports car, the engine offered sufficient power for comfortable highway cruising and passing maneuvers. The manual transmission allowed for driver engagement, but the gear ratios were tuned for fuel efficiency rather than aggressive acceleration. Compared to the more powerful 2.0-liter Turbo models, the 1.8 Turbo felt less urgent, but it offered a more relaxed and refined driving experience. The suspension, while comfortable, wasn’t particularly sporty, resulting in some body roll during cornering.
Equipment & Trim Levels
The 1.8 Turbo New Beetle Convertible typically came with a reasonable level of standard equipment. This included power windows, power locks, air conditioning, and a basic audio system. Interior upholstery was typically cloth, although leather options were available. Common optional extras included a premium audio system, heated front seats, and alloy wheels. The dashboard featured a retro-inspired design with circular gauges, maintaining the New Beetle’s distinctive aesthetic. Trim levels varied slightly depending on the market, but generally, the 1.8 Turbo sat in the mid-range of the lineup, offering a good balance of features and price.
Chassis & Braking
The New Beetle Convertible utilized a front-wheel-drive chassis with an independent McPherson strut suspension in the front and a semi-independent torsion beam suspension in the rear. The front brakes were ventilated discs, providing good stopping power, while the rear brakes were solid discs. ABS (Anti-lock Braking System) was standard. The suspension was tuned for comfort, prioritizing ride quality over handling precision. The relatively modest weight of the vehicle, around 3060 pounds, helped to offset the limitations of the suspension and braking system.
Market Reception & Comparison
The 1.8 Turbo New Beetle Convertible was generally well-received by critics as a stylish and fun-to-drive open-top car. It was praised for its distinctive design and comfortable interior. However, some reviewers noted that the performance was adequate but not exceptional. Compared to the more expensive 2.0 Turbo models, the 1.8 Turbo offered a more affordable entry point into the New Beetle Convertible range. Fuel economy was reasonable for a convertible, averaging around 28.7 US mpg in combined driving. Reliability was generally good, although some owners reported minor issues with the turbocharger and electrical components.
Legacy
The 1.8 Turbo New Beetle Convertible remains a popular choice in the used car market, particularly among buyers seeking a stylish and affordable convertible. The AWU engine, while not without its potential issues, is generally considered to be relatively reliable if properly maintained. Parts availability is good, and the New Beetle’s simple mechanical design makes it relatively easy to repair. The 1.8 Turbo variant represents a sweet spot in the New Beetle Convertible lineup, offering a good balance of performance, fuel efficiency, and affordability. Its enduring appeal is a testament to the New Beetle’s iconic design and its ability to capture the spirit of the original Beetle.
