| Vehicle |
1998 Ford Mustang 2dr Convertible |
1997 Pontiac Firebird 2dr Convertible Formula |
| General |
| Body Style |
2 Door Convertible |
2 Door Convertible Formula |
| Drivetrain |
Rear Wheel Drive |
Rear Wheel Drive |
| EPA Classification |
Subcompact |
Sub-Compact |
| Vehicle |
Mustang |
Firebird |
| Width, Max w/o mirrors (in) |
71.8 |
74.5 |
| Battery |
| Cold Cranking Amps @ 0° F |
540 |
525 |
| Maximum Capacity (amps) |
130 |
140 |
| Brake System |
| ABS System |
n/a |
4-Wheel |
| Brakes Front |
Yes |
Yes |
| Brakes Rear |
Yes |
Yes |
| Rear disc brake rotor diameter x thickness (in) |
10.5 x 0.55 |
11.4 x 0.8 |
| Rotor Diam x Thickness (in) |
10.8 x 1.02 |
10.7 x 1.26 |
| Type of Brakes |
Power |
Power |
| Drive Train |
| Clutch Size (in) |
11.02 |
n/a |
| Displacement (CC) |
3.8L/232 |
5.7L/350 |
| EPA Fuel Economy Est (MPG) |
20 |
17 |
| Final Drive Ratio |
2.73 |
2.73 |
| Fuel Capacity (gal) |
15.7 |
15.5 |
| Fuel System |
EFI |
SFI |
| Horsepower @ RPM |
150 @ 4000 |
285 @ 5000 |
| Hwy EPA Fuel Economy Estimate (MPG) |
29 |
25 |
| Torque @ RPM |
215 @ 2750 |
325 @ 2400 |
| Total System Capacity (qts) |
12.6 |
15.1 |
| Transmission Speeds |
5 |
4 |
| Transmission Type |
Manual w/OD |
Automatic w/OD, |
| Transmission Type Description Line 2 |
n/a |
Electronic |
| Type of Engine |
Gas V6 |
Gas V8 |
| Exterior |
| Base Curb Weight (lb) |
3206 |
3607 |
| Overall Length (in) |
181.5 |
195.5 |
| Overall Width (in) |
53.4 |
52.7 |
| Wheelbase (in) |
101.3 |
101.1 |
| Interior - Cargo - Carrying |
| Liftover Height (in) |
28.5 |
35.1 |
| Trunk Volume (cu ft) |
7.7 |
7.6 |
| Interior - Passengers |
| Headroom front (in) |
38.1 |
37.2 |
| Hip room front (in) |
52.3 |
52.8 |
| Leg room front (in) |
42.6 |
43.0 |
| Passenger Volume |
N/A |
84.0 |
| Seating capacity - Standard |
4 |
4 |
| Second seat head room (in) |
35.7 |
35.3 |
| Second seat hip room (in) |
41.0 |
44.4 |
| Second seat leg room (in) |
30.3 |
28.9 |
| Second seat shoulder room (in) |
41.4 |
55.8 |
| Shoulder room front (in) |
53.6 |
57.4 |
| Suspension |
| Front suspension |
w/Coil Springs |
w/Coil Springs |
| Ground Clearance (in) |
3.6 |
4.0 |
| Rear shock absorber diameter (mm) |
30 |
36 |
| Rear stabilizer bar diameter (in) |
n/a |
0.75 |
| Rear Suspension |
Four-bar link |
Salisbury Axle |
| Rear suspension type line 2 |
w/Coil Springs |
w/Coil Springs |
| Shock Absorber Diameter (mm) |
32 |
46 |
| Stabilizer Bar Diameter (in) |
1.06 |
1.18 |
| Track Front |
60.0 |
60.7 |
| Track Rear |
58.7 |
60.6 |
| Tires and Wheels |
| Rear tire size |
P205/65R15 |
P235/55R16 |
| Rear wheel size (in) |
15 x 7.0 |
16 x 8 |
| Rear wheel type |
Aluminum |
Aluminum |
| Spare tire size |
T125/90R15 |
T125/70D15 |
| Spare wheel size (in) |
15 x 4.0 |
15 x 4 |
| Spare wheel type |
Steel |
n/a |
| Towing |
| Dead Weight Hitch-Max. Tongue Load |
100 |
100 |
| Tow Capacity Standard |
1000 |
1000 |
| Turning Radius |
| Lock to Lock Turns |
2.38 |
2.28 |
| Steering Diameter Left |
38.3 |
40.1 |
| Steering Diameter Right |
n/a |
41.9 |
Compar-A-Graphs: Rank-By-Specs or 4-Car Comparison 
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