The Volvo C70 Coupe Cabriolet II, produced from 2005 to 2006, represented a significant evolution in Volvo’s open-top offerings. This generation, internally designated as the 850/C70 platform, combined the practicality of a coupe with the open-air enjoyment of a convertible. The 2.5 T5 20V Geartronic variant, equipped with a turbocharged 2.5-liter inline-five engine and a five-speed automatic transmission, occupied a sweet spot in the C70 lineup, offering a balance of performance and convenience. It was positioned as a mid-range option, appealing to buyers who desired more power than the base 2.4i models but didn’t require the higher performance of the later, more powerful T5 variants.
Technical Specifications
| Brand | Volvo |
| Model | C70 |
| Generation | C70 Coupe Cabrio II |
| Type (Engine) | 2.5 T5 20V (220 Hp) Geartronic |
| Start of production | 2005 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe – Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 14 l/100 km (16.8 US mpg, 20.2 UK mpg, 7.1 km/l) |
| Fuel consumption (extra urban) | 6.7 l/100 km (35.1 US mpg, 42.2 UK mpg, 14.9 km/l) |
| Fuel consumption (combined) | 9.8 l/100 km (24 US mpg, 28.8 UK mpg, 10.2 km/l) |
| CO2 emissions | 234 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8 sec |
| Acceleration 0 – 62 mph | 8 sec |
| Acceleration 0 – 60 mph | 7.6 sec |
| Maximum speed | 235 km/h (146.02 mph) |
| Weight-to-power ratio | 7.5 kg/Hp, 133.3 Hp/tonne |
| Weight-to-torque ratio | 5.2 kg/Nm, 193.8 Nm/tonne |
| Power | 220 Hp @ 5000 rpm |
| Power per litre | 87.3 Hp/l |
| Torque | 320 Nm @ 1500-4800 rpm (236.02 lb.-ft. @ 1500-4800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B5254T3 |
| Engine displacement | 2521 cm3 (153.84 cu. in.) |
| Number of cylinders | 5 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 93.2 mm (3.67 in.) |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5.8 l (6.13 US qt | 5.1 UK qt) |
| Coolant | 10 l (10.57 US qt | 8.8 UK qt) |
| Kerb Weight | 1651 kg (3639.83 lbs.) |
| Max. weight | 2090 kg (4607.66 lbs.) |
| Max load | 439 kg (967.83 lbs.) |
| Trunk (boot) space – minimum | 200 l (7.06 cu. ft.) |
| Trunk (boot) space – maximum | 404 l (14.27 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Length | 4582 mm (180.39 in.) |
| Width | 1770 mm (69.69 in.) |
| Width including mirrors | 2025 mm (79.72 in.) |
| Height | 1400 mm (55.12 in.) |
| Wheelbase | 2640 mm (103.94 in.) |
| Front track | 1550 mm (61.02 in.) |
| Rear (Back) track | 1560 mm (61.42 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 215/50 R17 |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The heart of the C70 2.5 T5 Geartronic is the B5254T3 engine, a 2.5-liter inline-five cylinder powerplant. This engine is a descendant of Volvo’s renowned “Whiteblock” family, known for its robustness and tunability. The “T5” designation signifies the presence of a light-pressure turbocharger and an intercooler, boosting power output. The engine utilizes multi-port fuel injection and a 9:1 compression ratio. The 20 valves (four per cylinder) contribute to efficient cylinder filling and improved performance. The five-speed automatic transmission, branded “Geartronic,” offered a degree of manual control, allowing drivers to select gears for more engaging driving. This transmission was known for its smooth shifts, but wasn’t as sporty as the manual transmission option available on other C70 models.
Driving Characteristics
The 220 horsepower and 236 lb-ft of torque delivered by the 2.5 T5 engine provided brisk acceleration, with a 0-60 mph time of around 7.6 seconds. While not a sports car, the C70 T5 Geartronic offered ample power for comfortable highway cruising and confident overtaking. The automatic transmission, while convenient, did slightly diminish the engine’s responsiveness compared to the six-speed manual. The Geartronic transmission’s gear ratios were tuned for a balance of fuel efficiency and performance, prioritizing smooth operation over aggressive acceleration. Compared to the higher-output T5 variants, the 2.5 T5 Geartronic felt less urgent, but it offered a more relaxed and refined driving experience.
Equipment & Trim Levels
The C70 2.5 T5 Geartronic came standard with a generous array of features, including leather upholstery, automatic climate control, power-adjustable front seats, and a premium audio system. Safety features were, as expected from Volvo, comprehensive, including ABS, traction control, and side airbags. Optional extras included a navigation system, upgraded audio, and various cosmetic enhancements. The interior design was typically Scandinavian – clean, functional, and focused on comfort. The retractable hardtop, a defining feature of the C70, was electrically operated and provided a secure and weatherproof cabin when closed.
Chassis & Braking
The C70’s chassis featured independent suspension all around, with coil springs and anti-roll bars. The front suspension utilized MacPherson struts, while the rear employed a multi-link setup. This configuration provided a comfortable ride and reasonably controlled handling. Braking duties were handled by ventilated discs at the front and solid discs at the rear, assisted by ABS. The braking system was adequate for the car’s weight and performance, but lacked the stopping power of some competitors.
Market Reception & Comparison
The Volvo C70 2.5 T5 Geartronic was generally well-received by automotive critics. It was praised for its stylish design, comfortable interior, and refined driving experience. However, some reviewers noted that the automatic transmission dulled the engine’s performance and that the car’s weight impacted handling agility. Compared to the 2.4i models, the T5 offered a significant performance upgrade. Compared to the more powerful T5 variants, it provided a more affordable and fuel-efficient option. Fuel economy was rated at around 24 mpg combined, which was respectable for a car of its size and performance.
Legacy
The Volvo C70 2.5 T5 Geartronic has proven to be a relatively reliable vehicle, with the B5254T3 engine being known for its durability. Common issues include occasional turbocharger problems and wear and tear on suspension components. However, with proper maintenance, these cars can provide many years of enjoyable motoring. On the used car market, the C70 2.5 T5 Geartronic represents a good value proposition, offering a stylish and well-equipped convertible at an affordable price. Its blend of performance, comfort, and safety continues to appeal to buyers seeking a sophisticated open-top experience.
