Heres what I managed to find on the 205 T16. It's not the Paris Dakar Car but I think they've got basically the same horsepower output.
Name: 1983/4 Peugeot 205 Turbo 16 Evolution 1
First Appeared: 1984 Tour De Corse
Class: Homologated to FIA Group B
Engine: XU8T - Direct Overhead Cam, Turbo Charged
Engine Layout: Transversely Mounted, Mid engined
Number of cylinders: 4
Bore (mm): 83
Stroke (mm): 82
Compression: 7.0:1
Valves/cylinder: 4
Cams: 2 ohc
Capacity: 1775cc
Torque: 450NM@5000rpm
Power: 350 bhp@8000rpm
Turbocharger: KKK
Fuel Injection: Bosch K-Jetronic
Transmission: Four Wheel Drive
Gearbox: 5 speed
Suspension: Front, double triangle TCA. Rear, ouble triangle TCA.
Brakes: Front, ventilated discs - range of sizes. Rear, ventilated discs - range of sizes
Body: 2 Door, Steel unit-construction body/chassis structure, with tubular and composite panels
Wheelbase: 2540mm
Length: 3825mm
Width: 1674mm
Height: 1410mm
Weight: 940kgs
kg/bhp: 2.7
Top speed: 190 km/h - 240 km/h
0-100 km/h: 3,2 secs.
0-190 km/h 7 secs
These are the specs for the 1985 205 T16 staright from supercars.net
Model: 205 T16 Group B
Drive Wheels: 4WD
Configuration: XU8T Inline-4 Curb Weight 907 kg / 2000 lbs
Valvetrain: 4 Valves per Cyl
Displacement: 1775 cc / 108.3 cu in
Length: 3825 mm / 150.6 in
Width: 1674 mm / 65.9 in
Power: 316.2 kw / 424 bhp @ 7500 rpm
Torque: 490.81 nm / 362.0 ft lbs @ 5500 rpm Wheelbase 2540 mm / 100.0 in
Bore: 83 mm / 3.27 in
Stroke: 82 mm / 3.23 in
Steering: Rack & Pinion
HP / Liter: 238.87 bhp per litre
HP / Curb Weight: 467.48 bhp per tonne
Gear Type: 5 Speed
Front Brakes: Vented Discs w/4-Pot Calipers
Rear Brakes: Vented Discs w/4-Pot Calipers
Front Suspension: Wishbones w/Bilstein Shocks
Rear Suspension: Wishbones w/Bilstein Shocks